Mercurial > hg4j
annotate src/org/tmatesoft/hg/repo/Revlog.java @ 334:15e1961719f2
Investigate sporadic BufferUnderflowException
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
---|---|
date | Wed, 09 Nov 2011 05:22:26 +0100 |
parents | a674b8590362 |
children | 8da7ade36c57 |
rev | line source |
---|---|
22
603806cd2dc6
Status of local working dir against non-tip base revision
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
21
diff
changeset
|
1 /* |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
2 * Copyright (c) 2010-2011 TMate Software Ltd |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
3 * |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
4 * This program is free software; you can redistribute it and/or modify |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
5 * it under the terms of the GNU General Public License as published by |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
6 * the Free Software Foundation; version 2 of the License. |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
7 * |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
8 * This program is distributed in the hope that it will be useful, |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
11 * GNU General Public License for more details. |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
12 * |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
13 * For information on how to redistribute this software under |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
14 * the terms of a license other than GNU General Public License |
102
a3a2e5deb320
Updated contact address to support@hg4j.com
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
88
diff
changeset
|
15 * contact TMate Software at support@hg4j.com |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
16 */ |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
17 package org.tmatesoft.hg.repo; |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
18 |
80
4222b04f34ee
Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
77
diff
changeset
|
19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION; |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
20 import static org.tmatesoft.hg.repo.HgRepository.TIP; |
56
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
21 |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
22 import java.io.IOException; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
23 import java.nio.ByteBuffer; |
317
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
24 import java.util.ArrayList; |
56
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
25 import java.util.Arrays; |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
26 import java.util.Collection; |
171
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
27 import java.util.HashSet; |
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
28 import java.util.LinkedList; |
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
29 import java.util.List; |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
30 |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
31 import org.tmatesoft.hg.core.HgBadStateException; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
32 import org.tmatesoft.hg.core.HgException; |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
33 import org.tmatesoft.hg.core.Nodeid; |
307
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
34 import org.tmatesoft.hg.internal.ArrayHelper; |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
35 import org.tmatesoft.hg.internal.DataAccess; |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
36 import org.tmatesoft.hg.internal.Experimental; |
77
c677e1593919
Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
74
diff
changeset
|
37 import org.tmatesoft.hg.internal.RevlogStream; |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
38 import org.tmatesoft.hg.util.Adaptable; |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
39 import org.tmatesoft.hg.util.ByteChannel; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
40 import org.tmatesoft.hg.util.CancelSupport; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
41 import org.tmatesoft.hg.util.CancelledException; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
42 import org.tmatesoft.hg.util.ProgressSupport; |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
43 |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
44 |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
45 /** |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
46 * Base class for all Mercurial entities that are serialized in a so called revlog format (changelog, manifest, data files). |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
47 * |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
48 * Implementation note: |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
49 * Hides actual actual revlog stream implementation and its access methods (i.e. RevlogStream.Inspector), iow shall not expose anything internal |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
50 * in public methods. |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
51 * |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
52 * @author Artem Tikhomirov |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
53 * @author TMate Software Ltd. |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
54 */ |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
55 abstract class Revlog { |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
56 |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
57 private final HgRepository repo; |
21
e929cecae4e1
Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
3
diff
changeset
|
58 protected final RevlogStream content; |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
59 |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
60 protected Revlog(HgRepository hgRepo, RevlogStream contentStream) { |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
61 if (hgRepo == null) { |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
62 throw new IllegalArgumentException(); |
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
63 } |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
64 if (contentStream == null) { |
74
6f1b88693d48
Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
56
diff
changeset
|
65 throw new IllegalArgumentException(); |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
66 } |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
67 repo = hgRepo; |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
68 content = contentStream; |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
69 } |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
70 |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
71 // invalid Revlog |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
72 protected Revlog(HgRepository hgRepo) { |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
73 repo = hgRepo; |
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
74 content = null; |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
75 } |
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
76 |
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
77 public final HgRepository getRepo() { |
115
c0cc2535462c
Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
102
diff
changeset
|
78 return repo; |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
79 } |
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
80 |
135
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
81 public final int getRevisionCount() { |
21
e929cecae4e1
Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
3
diff
changeset
|
82 return content.revisionCount(); |
e929cecae4e1
Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
3
diff
changeset
|
83 } |
80
4222b04f34ee
Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
77
diff
changeset
|
84 |
135
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
85 public final int getLastRevision() { |
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
86 return content.revisionCount() - 1; |
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
87 } |
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
88 |
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
89 public final Nodeid getRevision(int revision) { |
328
a674b8590362
Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
327
diff
changeset
|
90 // XXX cache nodeids? Rather, if context.getCache(this).getRevisionMap(create == false) != null, use it |
80
4222b04f34ee
Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
77
diff
changeset
|
91 return Nodeid.fromBinary(content.nodeid(revision), 0); |
4222b04f34ee
Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
77
diff
changeset
|
92 } |
317
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
93 |
328
a674b8590362
Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
327
diff
changeset
|
94 /** |
a674b8590362
Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
327
diff
changeset
|
95 * FIXME need to be careful about (1) ordering of the revisions in the return list; (2) modifications (sorting) of the argument array |
a674b8590362
Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
327
diff
changeset
|
96 */ |
317
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
97 public final List<Nodeid> getRevisions(int... revisions) { |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
98 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(revisions.length); |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
99 Arrays.sort(revisions); |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
100 getRevisionsInternal(rv, revisions); |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
101 return rv; |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
102 } |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
103 |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
104 /*package-local*/ void getRevisionsInternal(final List<Nodeid> retVal, int[] sortedRevs) { |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
105 // once I have getRevisionMap and may find out whether it is avalable from cache, |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
106 // may use it, perhaps only for small number of revisions |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
107 content.iterate(sortedRevs, false, new RevlogStream.Inspector() { |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
108 |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
109 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) { |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
110 retVal.add(Nodeid.fromBinary(nodeid, 0)); |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
111 } |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
112 }); |
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
113 } |
37
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
114 |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
115 /** |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
116 * Get local revision number (index) of the specified revision. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
117 * |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
118 * For occasional queries, this method works with decent performance, despite its O(n/2) approach. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
119 * Alternatively, if you need to perform multiple queries (e.g. at least 15-20), {@link RevisionMap} may come handy. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
120 * |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
121 * @param nid revision to look up |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
122 * @return revision index, or {@link HgRepository#BAD_REVISION} if specified revision not found. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
123 */ |
135
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
124 public final int getLocalRevision(Nodeid nid) { |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
125 int revision = content.findLocalRevisionNumber(nid); |
80
4222b04f34ee
Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
77
diff
changeset
|
126 if (revision == BAD_REVISION) { |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
127 throw new IllegalArgumentException(String.format("%s doesn't represent a revision of %s", nid.toString(), this /*XXX HgDataFile.getPath might be more suitable here*/)); |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
128 } |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
129 return revision; |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
130 } |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
131 |
39
4e9b66b07a28
Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
37
diff
changeset
|
132 // Till now, i follow approach that NULL nodeid is never part of revlog |
135
3959bffb14e9
explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
115
diff
changeset
|
133 public final boolean isKnown(Nodeid nodeid) { |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
134 final int rn = content.findLocalRevisionNumber(nodeid); |
218
047b1dec7a04
Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
200
diff
changeset
|
135 if (BAD_REVISION == rn) { |
39
4e9b66b07a28
Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
37
diff
changeset
|
136 return false; |
4e9b66b07a28
Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
37
diff
changeset
|
137 } |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
138 if (rn < 0 || rn >= content.revisionCount()) { |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
139 // Sanity check |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
140 throw new IllegalStateException(); |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
141 } |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
142 return true; |
39
4e9b66b07a28
Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
37
diff
changeset
|
143 } |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
144 |
37
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
145 /** |
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
146 * Access to revision data as is (decompressed, but otherwise unprocessed, i.e. not parsed for e.g. changeset or manifest entries) |
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
147 * @param nodeid |
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
148 */ |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
149 protected void rawContent(Nodeid nodeid, ByteChannel sink) throws HgException, IOException, CancelledException { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
150 rawContent(getLocalRevision(nodeid), sink); |
37
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
151 } |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
152 |
37
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
153 /** |
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
154 * @param revision - repo-local index of this file change (not a changelog revision number!) |
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
155 */ |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
156 protected void rawContent(int revision, ByteChannel sink) throws HgException, IOException, CancelledException { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
157 if (sink == null) { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
158 throw new IllegalArgumentException(); |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
159 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
160 ContentPipe insp = new ContentPipe(sink, 0); |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
161 insp.checkCancelled(); |
37
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
162 content.iterate(revision, revision, true, insp); |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
163 insp.checkFailed(); |
37
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
164 } |
e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
31
diff
changeset
|
165 |
56
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
166 /** |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
167 * XXX perhaps, return value Nodeid[2] and boolean needNodeids is better (and higher level) API for this query? |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
168 * |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
169 * @param revision - revision to query parents, or {@link HgRepository#TIP} |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
170 * @param parentRevisions - int[2] to get local revision numbers of parents (e.g. {6, -1}) |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
171 * @param parent1 - byte[20] or null, if parent's nodeid is not needed |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
172 * @param parent2 - byte[20] or null, if second parent's nodeid is not needed |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
173 * @return |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
174 */ |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
175 public void parents(int revision, int[] parentRevisions, byte[] parent1, byte[] parent2) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
176 if (revision != TIP && !(revision >= 0 && revision < content.revisionCount())) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
177 throw new IllegalArgumentException(String.valueOf(revision)); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
178 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
179 if (parentRevisions == null || parentRevisions.length < 2) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
180 throw new IllegalArgumentException(String.valueOf(parentRevisions)); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
181 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
182 if (parent1 != null && parent1.length < 20) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
183 throw new IllegalArgumentException(parent1.toString()); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
184 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
185 if (parent2 != null && parent2.length < 20) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
186 throw new IllegalArgumentException(parent2.toString()); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
187 } |
77
c677e1593919
Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
74
diff
changeset
|
188 class ParentCollector implements RevlogStream.Inspector { |
56
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
189 public int p1 = -1; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
190 public int p2 = -1; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
191 public byte[] nodeid; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
192 |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
193 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) { |
56
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
194 p1 = parent1Revision; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
195 p2 = parent2Revision; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
196 this.nodeid = new byte[20]; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
197 // nodeid arg now comes in 32 byte from (as in file format description), however upper 12 bytes are zeros. |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
198 System.arraycopy(nodeid, nodeid.length > 20 ? nodeid.length - 20 : 0, this.nodeid, 0, 20); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
199 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
200 }; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
201 ParentCollector pc = new ParentCollector(); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
202 content.iterate(revision, revision, false, pc); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
203 parentRevisions[0] = pc.p1; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
204 parentRevisions[1] = pc.p2; |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
205 if (parent1 != null) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
206 if (parentRevisions[0] == -1) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
207 Arrays.fill(parent1, 0, 20, (byte) 0); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
208 } else { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
209 content.iterate(parentRevisions[0], parentRevisions[0], false, pc); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
210 System.arraycopy(pc.nodeid, 0, parent1, 0, 20); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
211 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
212 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
213 if (parent2 != null) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
214 if (parentRevisions[1] == -1) { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
215 Arrays.fill(parent2, 0, 20, (byte) 0); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
216 } else { |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
217 content.iterate(parentRevisions[1], parentRevisions[1], false, pc); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
218 System.arraycopy(pc.nodeid, 0, parent2, 0, 20); |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
219 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
220 } |
576d6e8a09f6
Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
49
diff
changeset
|
221 } |
317
09628675bcee
Rework file history build approach to match rest of the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
308
diff
changeset
|
222 |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
223 @Experimental |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
224 public void walk(int start, int end, final Revlog.Inspector inspector) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
225 int lastRev = getLastRevision(); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
226 if (start == TIP) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
227 start = lastRev; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
228 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
229 if (end == TIP) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
230 end = lastRev; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
231 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
232 final RevisionInspector revisionInsp = getAdapter(inspector, RevisionInspector.class); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
233 final ParentInspector parentInsp = getAdapter(inspector, ParentInspector.class); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
234 final Nodeid[] allRevisions = parentInsp == null ? null : new Nodeid[end - start + 1]; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
235 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
236 content.iterate(start, end, false, new RevlogStream.Inspector() { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
237 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
238 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
239 Nodeid nid = Nodeid.fromBinary(nodeid, 0); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
240 if (revisionInsp != null) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
241 revisionInsp.next(revisionNumber, nid, linkRevision); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
242 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
243 if (parentInsp != null) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
244 Nodeid p1 = parent1Revision == -1 ? Nodeid.NULL : allRevisions[parent1Revision]; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
245 Nodeid p2 = parent2Revision == -1 ? Nodeid.NULL : allRevisions[parent2Revision]; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
246 allRevisions[revisionNumber] = nid; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
247 parentInsp.next(revisionNumber, nid, parent1Revision, parent2Revision, p1, p2); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
248 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
249 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
250 }); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
251 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
252 private static <T> T getAdapter(Object o, Class<T> adapterClass) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
253 if (adapterClass.isInstance(o)) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
254 return adapterClass.cast(o); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
255 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
256 if (o instanceof Adaptable) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
257 return ((Adaptable) o).getAdapter(adapterClass); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
258 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
259 return null; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
260 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
261 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
262 /** |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
263 * MARKER |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
264 */ |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
265 @Experimental |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
266 public interface Inspector { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
267 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
268 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
269 @Experimental |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
270 public interface RevisionInspector extends Inspector { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
271 void next(int localRevision, Nodeid revision, int linkedRevision); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
272 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
273 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
274 @Experimental |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
275 public interface ParentInspector extends Inspector { |
327
3f09b8c19142
Tests for Revlog.Inspectors
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
324
diff
changeset
|
276 // XXX document whether parentX is -1 or a constant (BAD_REVISION? or dedicated?) |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
277 void next(int localRevision, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2); |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
278 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
279 |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
280 /* |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
281 * XXX think over if it's better to do either: |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
282 * pw = getChangelog().new ParentWalker(); pw.init() and pass pw instance around as needed |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
283 * or |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
284 * add Revlog#getParentWalker(), static class, make cons() and #init package-local, and keep SoftReference to allow walker reuse. |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
285 * |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
286 * and yes, walker is not a proper name |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
287 */ |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
288 public final class ParentWalker implements ParentInspector { |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
289 |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
290 |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
291 private Nodeid[] sequential; // natural repository order, childrenOf rely on ordering |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
292 private Nodeid[] sorted; // for binary search |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
293 private int[] sorted2natural; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
294 private Nodeid[] firstParent; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
295 private Nodeid[] secondParent; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
296 |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
297 // Nodeid instances shall be shared between all arrays |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
298 |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
299 public ParentWalker() { |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
300 } |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
301 |
192
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
302 public HgRepository getRepo() { |
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
303 return Revlog.this.getRepo(); |
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
304 } |
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
305 |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
306 public void next(int revisionNumber, Nodeid revision, int parent1Revision, int parent2Revision, Nodeid nidParent1, Nodeid nidParent2) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
307 if (parent1Revision >= revisionNumber || parent2Revision >= revisionNumber) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
308 throw new IllegalStateException(); // sanity, revisions are sequential |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
309 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
310 int ix = revisionNumber; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
311 sequential[ix] = sorted[ix] = revision; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
312 if (parent1Revision != -1) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
313 firstParent[ix] = sequential[parent1Revision]; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
314 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
315 if (parent2Revision != -1) { // revlog of DataAccess.java has p2 set when p1 is -1 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
316 secondParent[ix] = sequential[parent2Revision]; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
317 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
318 } |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
319 |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
320 public void init() { |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
321 final int revisionCount = Revlog.this.getRevisionCount(); |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
322 firstParent = new Nodeid[revisionCount]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
323 // although branches/merges are less frequent, and most of secondParent would be -1/null, some sort of |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
324 // SparseOrderedList might be handy, provided its inner structures do not overweight simplicity of an array |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
325 // FIXME IntMap is right candidate? |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
326 secondParent = new Nodeid[revisionCount]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
327 // |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
328 sequential = new Nodeid[revisionCount]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
329 sorted = new Nodeid[revisionCount]; |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
330 Revlog.this.walk(0, TIP, this); |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
331 Arrays.sort(sorted); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
332 sorted2natural = new int[revisionCount]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
333 for (int i = 0; i < revisionCount; i++) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
334 Nodeid n = sequential[i]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
335 int x = Arrays.binarySearch(sorted, n); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
336 assertSortedIndex(x); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
337 sorted2natural[x] = i; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
338 } |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
339 } |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
340 |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
341 private void assertSortedIndex(int x) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
342 if (x < 0) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
343 throw new HgBadStateException(); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
344 } |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
345 } |
31
346b66add79d
Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
29
diff
changeset
|
346 |
346b66add79d
Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
29
diff
changeset
|
347 // FIXME need to decide whether Nodeid(00 * 20) is always known or not |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
348 // right now Nodeid.NULL is not recognized as known if passed to this method, |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
349 // caller is supposed to make explicit check |
31
346b66add79d
Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
29
diff
changeset
|
350 public boolean knownNode(Nodeid nid) { |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
351 return Arrays.binarySearch(sorted, nid) >= 0; |
31
346b66add79d
Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
29
diff
changeset
|
352 } |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
353 |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
354 /** |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
355 * null if none. only known nodes (as per #knownNode) are accepted as arguments |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
356 */ |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
357 public Nodeid firstParent(Nodeid nid) { |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
358 int x = Arrays.binarySearch(sorted, nid); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
359 assertSortedIndex(x); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
360 int i = sorted2natural[x]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
361 return firstParent[i]; |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
362 } |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
363 |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
364 // never null, Nodeid.NULL if none known |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
365 public Nodeid safeFirstParent(Nodeid nid) { |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
366 Nodeid rv = firstParent(nid); |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
367 return rv == null ? Nodeid.NULL : rv; |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
368 } |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
369 |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
370 public Nodeid secondParent(Nodeid nid) { |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
371 int x = Arrays.binarySearch(sorted, nid); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
372 assertSortedIndex(x); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
373 int i = sorted2natural[x]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
374 return secondParent[i]; |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
375 } |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
376 |
49
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
377 public Nodeid safeSecondParent(Nodeid nid) { |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
378 Nodeid rv = secondParent(nid); |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
379 return rv == null ? Nodeid.NULL : rv; |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
380 } |
26e3eeaa3962
branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
39
diff
changeset
|
381 |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
382 public boolean appendParentsOf(Nodeid nid, Collection<Nodeid> c) { |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
383 int x = Arrays.binarySearch(sorted, nid); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
384 assertSortedIndex(x); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
385 int i = sorted2natural[x]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
386 Nodeid p1 = firstParent[i]; |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
387 boolean modified = false; |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
388 if (p1 != null) { |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
389 modified = c.add(p1); |
191
b777502a06f5
Do not assume second parent can be set only when first one is set, again
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
183
diff
changeset
|
390 } |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
391 Nodeid p2 = secondParent[i]; |
191
b777502a06f5
Do not assume second parent can be set only when first one is set, again
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
183
diff
changeset
|
392 if (p2 != null) { |
b777502a06f5
Do not assume second parent can be set only when first one is set, again
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
183
diff
changeset
|
393 modified = c.add(p2) || modified; |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
394 } |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
395 return modified; |
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
396 } |
171
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
397 |
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
398 // XXX alternative (and perhaps more reliable) approach would be to make a copy of allNodes and remove |
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
399 // nodes, their parents and so on. |
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
400 |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
401 // @return ordered collection of all children rooted at supplied nodes. Nodes shall not be descendants of each other! |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
402 // Nodeids shall belong to this revlog |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
403 public List<Nodeid> childrenOf(List<Nodeid> roots) { |
171
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
404 HashSet<Nodeid> parents = new HashSet<Nodeid>(); |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
405 LinkedList<Nodeid> result = new LinkedList<Nodeid>(); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
406 int earliestRevision = Integer.MAX_VALUE; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
407 assert sequential.length == firstParent.length && firstParent.length == secondParent.length; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
408 // first, find earliest index of roots in question, as there's no sense |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
409 // to check children among nodes prior to branch's root node |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
410 for (Nodeid r : roots) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
411 int x = Arrays.binarySearch(sorted, r); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
412 assertSortedIndex(x); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
413 int i = sorted2natural[x]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
414 if (i < earliestRevision) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
415 earliestRevision = i; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
416 } |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
417 parents.add(sequential[i]); // add canonical instance in hope equals() is bit faster when can do a == |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
418 } |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
419 for (int i = earliestRevision + 1; i < sequential.length; i++) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
420 if (parents.contains(firstParent[i]) || parents.contains(secondParent[i])) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
421 parents.add(sequential[i]); // to find next child |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
422 result.add(sequential[i]); |
171
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
423 } |
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
424 } |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
425 return result; |
171
2c3e96674e2a
Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
157
diff
changeset
|
426 } |
192
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
427 |
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
428 /** |
308
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
429 * @return revisions that have supplied revision as their immediate parent |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
430 */ |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
431 public List<Nodeid> directChildren(Nodeid nid) { |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
432 LinkedList<Nodeid> result = new LinkedList<Nodeid>(); |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
433 int x = Arrays.binarySearch(sorted, nid); |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
434 assertSortedIndex(x); |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
435 nid = sorted[x]; // canonical instance |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
436 int start = sorted2natural[x]; |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
437 for (int i = start + 1; i < sequential.length; i++) { |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
438 if (nid == firstParent[i] || nid == secondParent[i]) { |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
439 result.add(sequential[i]); |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
440 } |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
441 } |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
442 return result; |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
443 } |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
444 |
3f40262153a4
Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
307
diff
changeset
|
445 /** |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
446 * @param nid possibly parent node, shall be {@link #knownNode(Nodeid) known} in this revlog. |
192
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
447 * @return <code>true</code> if there's any node in this revlog that has specified node as one of its parents. |
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
448 */ |
200
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
449 public boolean hasChildren(Nodeid nid) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
450 int x = Arrays.binarySearch(sorted, nid); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
451 assertSortedIndex(x); |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
452 int i = sorted2natural[x]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
453 assert firstParent.length == secondParent.length; // just in case later I implement sparse array for secondParent |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
454 assert firstParent.length == sequential.length; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
455 // to use == instead of equals, take the same Nodeid instance we used to fill all the arrays. |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
456 final Nodeid canonicalNode = sequential[i]; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
457 i++; // no need to check node itself. child nodes may appear in sequential only after revision in question |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
458 for (; i < sequential.length; i++) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
459 // FIXME likely, not very effective. |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
460 // May want to optimize it with another (Tree|Hash)Set, created on demand on first use, |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
461 // however, need to be careful with memory usage |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
462 if (firstParent[i] == canonicalNode || secondParent[i] == canonicalNode) { |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
463 return true; |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
464 } |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
465 } |
114c9fe7b643
Performance optimization: reduce memory ParentWalker hogs
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
197
diff
changeset
|
466 return false; |
192
e5407b5a586a
Incoming and Outgoing commands are alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
191
diff
changeset
|
467 } |
29
6cce719bbb62
Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
24
diff
changeset
|
468 } |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
469 |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
470 /** |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
471 * Effective int to Nodeid and vice versa translation. It's advised to use this class instead of |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
472 * multiple {@link Revlog#getLocalRevision(Nodeid)} calls. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
473 * |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
474 * getLocalRevision(Nodeid) with straightforward lookup approach performs O(n/2) |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
475 * #localRevision() is log(n), plus initialization is O(n) |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
476 */ |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
477 public final class RevisionMap implements RevisionInspector { |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
478 /* |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
479 * in fact, initialization is much slower as it instantiates Nodeids, while #getLocalRevision |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
480 * compares directly against byte buffer. Measuring cpython with 70k+ gives 3 times difference (47 vs 171) |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
481 * for complete changelog iteration. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
482 */ |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
483 |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
484 /* |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
485 * XXX 3 * (x * 4) bytes. Can I do better? |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
486 * It seems, yes. Don't need to keep sorted, always can emulate it with indirect access to sequential through sorted2natural. |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
487 * i.e. instead sorted[mid].compareTo(toFind), do sequential[sorted2natural[mid]].compareTo(toFind) |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
488 */ |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
489 private Nodeid[] sequential; // natural repository order, childrenOf rely on ordering |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
490 private Nodeid[] sorted; // for binary search |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
491 private int[] sorted2natural; |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
492 |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
493 public RevisionMap() { |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
494 } |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
495 |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
496 public HgRepository getRepo() { |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
497 return Revlog.this.getRepo(); |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
498 } |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
499 |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
500 public void next(int localRevision, Nodeid revision, int linkedRevision) { |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
501 sequential[localRevision] = sorted[localRevision] = revision; |
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
502 } |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
503 |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
504 /** |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
505 * @return <code>this</code> for convenience. |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
506 */ |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
507 public RevisionMap init(/*XXX Pool<Nodeid> to reuse nodeids, if possible. */) { |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
508 // XXX HgRepository.register((RepoChangeListener) this); // listen to changes in repo, re-init if needed? |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
509 final int revisionCount = Revlog.this.getRevisionCount(); |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
510 sequential = new Nodeid[revisionCount]; |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
511 sorted = new Nodeid[revisionCount]; |
324
283b294d1079
Explore alternatives to access file-changelog combined history
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
317
diff
changeset
|
512 Revlog.this.walk(0, TIP, this); |
307
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
513 // next is alternative to Arrays.sort(sorted), and build sorted2natural looking up each element of sequential in sorted. |
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
514 // the way sorted2natural was build is O(n*log n). |
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
515 final ArrayHelper ah = new ArrayHelper(); |
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
516 ah.sort(sorted); |
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
517 // note, values in ArrayHelper#getReversed are 1-based indexes, not 0-based |
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
518 sorted2natural = ah.getReverse(); |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
519 return this; |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
520 } |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
521 |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
522 public Nodeid revision(int localRevision) { |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
523 return sequential[localRevision]; |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
524 } |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
525 public int localRevision(Nodeid revision) { |
274
9fb50c04f03c
Use Nodeid.isNull check instead of NULL.equals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
243
diff
changeset
|
526 if (revision == null || revision.isNull()) { |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
527 return BAD_REVISION; |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
528 } |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
529 int x = Arrays.binarySearch(sorted, revision); |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
530 if (x < 0) { |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
531 return BAD_REVISION; |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
532 } |
307
2f2ab5c27f41
Collect sort reverse indexes along with array sorting
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
277
diff
changeset
|
533 return sorted2natural[x]-1; |
243
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
534 } |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
535 } |
0e01f9182e16
External cache Nodeid<->int added, Revlog.RevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
218
diff
changeset
|
536 |
277
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
537 protected abstract static class ErrorHandlingInspector implements RevlogStream.Inspector, CancelSupport { |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
538 private Exception failure; |
277
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
539 private CancelSupport cancelSupport; |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
540 |
277
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
541 protected void setCancelSupport(CancelSupport cs) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
542 assert cancelSupport == null; // no reason to set it twice |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
543 cancelSupport = cs; |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
544 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
545 |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
546 protected void recordFailure(Exception ex) { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
547 assert failure == null; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
548 failure = ex; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
549 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
550 |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
551 public void checkFailed() throws HgException, IOException, CancelledException { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
552 if (failure == null) { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
553 return; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
554 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
555 if (failure instanceof IOException) { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
556 throw (IOException) failure; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
557 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
558 if (failure instanceof CancelledException) { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
559 throw (CancelledException) failure; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
560 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
561 if (failure instanceof HgException) { |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
562 throw (HgException) failure; |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
563 } |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
564 throw new HgBadStateException(failure); |
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
565 } |
277
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
566 |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
567 public void checkCancelled() throws CancelledException { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
568 if (cancelSupport != null) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
569 cancelSupport.checkCancelled(); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
570 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
571 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
572 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
573 |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
574 protected static class ContentPipe extends ErrorHandlingInspector implements RevlogStream.Inspector, CancelSupport { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
575 private final ByteChannel sink; |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
576 private final int offset; |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
577 |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
578 /** |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
579 * @param _sink - cannot be <code>null</code> |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
580 * @param seekOffset - when positive, orders to pipe bytes to the sink starting from specified offset, not from the first byte available in DataAccess |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
581 */ |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
582 public ContentPipe(ByteChannel _sink, int seekOffset) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
583 assert _sink != null; |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
584 sink = _sink; |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
585 setCancelSupport(CancelSupport.Factory.get(_sink)); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
586 offset = seekOffset; |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
587 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
588 |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
589 protected void prepare(int revisionNumber, DataAccess da) throws HgException, IOException { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
590 if (offset > 0) { // save few useless reset/rewind operations |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
591 da.seek(offset); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
592 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
593 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
594 |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
595 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
596 try { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
597 prepare(revisionNumber, da); // XXX perhaps, prepare shall return DA (sliced, if needed) |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
598 final ProgressSupport progressSupport = ProgressSupport.Factory.get(sink); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
599 ByteBuffer buf = ByteBuffer.allocate(512); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
600 progressSupport.start(da.length()); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
601 while (!da.isEmpty()) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
602 checkCancelled(); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
603 da.readBytes(buf); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
604 buf.flip(); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
605 // XXX I may not rely on returned number of bytes but track change in buf position instead. |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
606 int consumed = sink.write(buf); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
607 // FIXME in fact, bad sink implementation (that consumes no bytes) would result in endless loop. Need to account for this |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
608 buf.compact(); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
609 progressSupport.worked(consumed); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
610 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
611 progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully. |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
612 } catch (IOException ex) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
613 recordFailure(ex); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
614 } catch (CancelledException ex) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
615 recordFailure(ex); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
616 } catch (HgException ex) { |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
617 recordFailure(ex); |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
618 } |
74e7493a042a
Favor delegation over generalization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
274
diff
changeset
|
619 } |
157
d5268ca7715b
Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
diff
changeset
|
620 } |
2
08db726a0fb7
Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff
changeset
|
621 } |