Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/Revlog.java @ 177:e10225daface

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use POST for long between queries. Batch between queries (pass multiple pairs to a server) to minimize number thereof
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 02 Apr 2011 23:05:28 +0200
parents 2c3e96674e2a
children 9807bf8f3a9c
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>
parents: 51 135
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>
parents: 51 135
diff changeset
23 import java.nio.ByteBuffer;
56
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
24 import java.util.Arrays;
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
25 import java.util.Collection;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
26 import java.util.Collections;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
27 import java.util.HashMap;
171
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.HashSet;
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
29 import java.util.LinkedHashSet;
171
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
30 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
31 import java.util.List;
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
32 import java.util.Map;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
33 import java.util.Set;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
34
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>
parents: 51 135
diff changeset
35 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>
parents: 51 135
diff changeset
36 import org.tmatesoft.hg.core.HgException;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
37 import org.tmatesoft.hg.core.Nodeid;
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>
parents: 51 135
diff changeset
38 import org.tmatesoft.hg.internal.DataAccess;
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
39 import org.tmatesoft.hg.internal.RevlogStream;
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>
parents: 51 135
diff changeset
40 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>
parents: 51 135
diff changeset
41 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>
parents: 51 135
diff changeset
42 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>
parents: 51 135
diff changeset
43 import org.tmatesoft.hg.util.ProgressSupport;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
44
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
45
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 /**
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>
parents: 51 135
diff changeset
47 * 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>
parents: 51 135
diff changeset
48 *
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>
parents: 51 135
diff changeset
49 * 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>
parents: 51 135
diff changeset
50 * 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>
parents: 51 135
diff changeset
51 * 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>
parents: 51 135
diff changeset
52 *
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
53 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
54 * @author TMate Software Ltd.
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 */
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
56 abstract class Revlog {
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
58 private final HgRepository repo;
21
e929cecae4e1 Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
59 protected final RevlogStream content;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
61 protected Revlog(HgRepository hgRepo, RevlogStream contentStream) {
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 if (hgRepo == null) {
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
63 throw new IllegalArgumentException();
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
64 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
65 if (contentStream == null) {
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 56
diff changeset
66 throw new IllegalArgumentException();
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 }
115
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
68 repo = hgRepo;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
69 content = contentStream;
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
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
72 // invalid Revlog
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
73 protected Revlog(HgRepository hgRepo) {
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
74 repo = hgRepo;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 102
diff changeset
75 content = null;
2
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
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 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
79 return repo;
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 }
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
81
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
82 public final int getRevisionCount() {
21
e929cecae4e1 Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
83 return content.revisionCount();
e929cecae4e1 Refactor to move revlog content to base class
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 3
diff changeset
84 }
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
85
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
86 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
87 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
88 }
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
89
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
90 public final Nodeid getRevision(int revision) {
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
91 // XXX cache nodeids?
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
92 return Nodeid.fromBinary(content.nodeid(revision), 0);
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
93 }
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
94
135
3959bffb14e9 explicit op name instead math op to get last rev number
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 115
diff changeset
95 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
96 int revision = content.findLocalRevisionNumber(nid);
80
4222b04f34ee Follow history of a file
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 77
diff changeset
97 if (revision == BAD_REVISION) {
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
98 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
99 }
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
100 return revision;
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
101 }
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
102
39
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
103 // 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
104 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
105 final int rn = content.findLocalRevisionNumber(nodeid);
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
106 if (Integer.MIN_VALUE == rn) {
39
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
107 return false;
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
108 }
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
109 if (rn < 0 || rn >= content.revisionCount()) {
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
110 // Sanity check
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
111 throw new IllegalStateException();
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
112 }
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
113 return true;
39
4e9b66b07a28 Check changelog group starts with proper (known) base
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 37
diff changeset
114 }
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
115
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
116 /**
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
117 * 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
118 * @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
119 */
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>
parents: 51 135
diff changeset
120 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>
parents: 51 135
diff changeset
121 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
122 }
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
123
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
124 /**
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
125 * @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
126 */
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>
parents: 51 135
diff changeset
127 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>
parents: 51 135
diff changeset
128 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>
parents: 51 135
diff changeset
129 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>
parents: 51 135
diff changeset
130 }
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>
parents: 51 135
diff changeset
131 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>
parents: 51 135
diff changeset
132 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
133 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>
parents: 51 135
diff changeset
134 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
135 }
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
136
56
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
137 /**
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
138 * 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
139 *
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
140 * @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
141 * @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
142 * @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
143 * @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
144 * @return
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
145 */
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
146 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
147 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
148 throw new IllegalArgumentException(String.valueOf(revision));
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
149 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
150 if (parentRevisions == null || parentRevisions.length < 2) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
151 throw new IllegalArgumentException(String.valueOf(parentRevisions));
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
152 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
153 if (parent1 != null && parent1.length < 20) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
154 throw new IllegalArgumentException(parent1.toString());
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
155 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
156 if (parent2 != null && parent2.length < 20) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
157 throw new IllegalArgumentException(parent2.toString());
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
158 }
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
159 class ParentCollector implements RevlogStream.Inspector {
56
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
160 public int p1 = -1;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
161 public int p2 = -1;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
162 public byte[] nodeid;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
163
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>
parents: 51 135
diff changeset
164 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
165 p1 = parent1Revision;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
166 p2 = parent2Revision;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
167 this.nodeid = new byte[20];
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
168 // 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
169 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
170 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
171 };
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
172 ParentCollector pc = new ParentCollector();
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
173 content.iterate(revision, revision, false, pc);
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
174 parentRevisions[0] = pc.p1;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
175 parentRevisions[1] = pc.p2;
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
176 if (parent1 != null) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
177 if (parentRevisions[0] == -1) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
178 Arrays.fill(parent1, 0, 20, (byte) 0);
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
179 } else {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
180 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
181 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
182 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
183 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
184 if (parent2 != null) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
185 if (parentRevisions[1] == -1) {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
186 Arrays.fill(parent2, 0, 20, (byte) 0);
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
187 } else {
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
188 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
189 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
190 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
191 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
192 }
576d6e8a09f6 Analog of 'hg status --change' command
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 49
diff changeset
193
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
194 /*
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
195 * 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
196 * 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
197 * or
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
198 * 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
199 *
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
200 * 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
201 */
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
202 public final class ParentWalker {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
203 private Map<Nodeid, Nodeid> firstParent;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
204 private Map<Nodeid, Nodeid> secondParent;
171
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
205 private final LinkedHashSet<Nodeid> allNodes = new LinkedHashSet<Nodeid>(); // childrenOf rely on ordering
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
206
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
207 public ParentWalker() {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
208 firstParent = secondParent = Collections.emptyMap();
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
209 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
210
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
211 public void init() {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
212 final RevlogStream stream = Revlog.this.content;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
213 final int revisionCount = stream.revisionCount();
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
214 firstParent = new HashMap<Nodeid, Nodeid>(revisionCount);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
215 secondParent = new HashMap<Nodeid, Nodeid>(firstParent.size() >> 1); // assume branches/merges are less frequent
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
216
77
c677e1593919 Moved RevlogStream implementation into .internal
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 74
diff changeset
217 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
218 final Nodeid[] sequentialRevisionNodeids = new Nodeid[revisionCount];
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
219 int ix = 0;
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>
parents: 51 135
diff changeset
220 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
221 if (ix != revisionNumber) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
222 // XXX temp code, just to make sure I understand what's going on here
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
223 throw new IllegalStateException();
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
224 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
225 if (parent1Revision >= revisionNumber || parent2Revision >= revisionNumber) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
226 throw new IllegalStateException(); // sanity, revisions are sequential
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
227 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
228 final Nodeid nid = new Nodeid(nodeid, true);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
229 sequentialRevisionNodeids[ix++] = nid;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
230 allNodes.add(nid);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
231 if (parent1Revision != -1) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
232 firstParent.put(nid, sequentialRevisionNodeids[parent1Revision]);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
233 if (parent2Revision != -1) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
234 secondParent.put(nid, sequentialRevisionNodeids[parent2Revision]);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
235 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
236 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
237 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
238 };
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
239 stream.iterate(0, -1, false, insp);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
240 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
241
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
242 public Set<Nodeid> allNodes() {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
243 return Collections.unmodifiableSet(allNodes);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
244 }
31
346b66add79d Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 29
diff changeset
245
346b66add79d Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 29
diff changeset
246 // FIXME need to decide whether Nodeid(00 * 20) is always known or not
346b66add79d Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 29
diff changeset
247 public boolean knownNode(Nodeid nid) {
346b66add79d Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 29
diff changeset
248 return allNodes.contains(nid);
346b66add79d Basic lookup for incoming changes
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 29
diff changeset
249 }
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
250
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
251 // null if none
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
252 public Nodeid firstParent(Nodeid nid) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
253 return firstParent.get(nid);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
254 }
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
255
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
256 // 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
257 public Nodeid safeFirstParent(Nodeid nid) {
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
258 Nodeid rv = firstParent(nid);
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
259 return rv == null ? Nodeid.NULL : rv;
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
260 }
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
261
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
262 public Nodeid secondParent(Nodeid nid) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
263 return secondParent.get(nid);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
264 }
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
265
49
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
266 public Nodeid safeSecondParent(Nodeid nid) {
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
267 Nodeid rv = secondParent(nid);
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
268 return rv == null ? Nodeid.NULL : rv;
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
269 }
26e3eeaa3962 branch and user filtering for log operation
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 39
diff changeset
270
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
271 public boolean appendParentsOf(Nodeid nid, Collection<Nodeid> c) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
272 Nodeid p1 = firstParent(nid);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
273 boolean modified = false;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
274 if (p1 != null) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
275 modified = c.add(p1);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
276 Nodeid p2 = secondParent(nid);
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
277 if (p2 != null) {
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
278 modified = c.add(p2) || modified;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
279 }
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 return modified;
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
282 }
171
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
283
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
284 // 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
285 // 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
286
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
287 // @return ordered collection of all children rooted at supplied nodes. Nodes shall not be descendants of each other!
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
288 public List<Nodeid> childrenOf(List<Nodeid> nodes) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
289 HashSet<Nodeid> parents = new HashSet<Nodeid>();
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
290 LinkedHashSet<Nodeid> result = new LinkedHashSet<Nodeid>();
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
291 LinkedList<Nodeid> orderedResult = new LinkedList<Nodeid>();
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
292 for(Nodeid next : allNodes) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
293 // i assume allNodes is sorted, hence do not check any parents unless we hit any common known node first
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
294 if (nodes.contains(next)) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
295 parents.add(next);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
296 } else {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
297 if (parents.isEmpty()) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
298 // didn't scroll up to any known yet
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
299 continue;
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
300 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
301 // record each and every node reported after first common known node hit
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
302 orderedResult.addLast(next);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
303 if (parents.contains(firstParent(next)) || parents.contains(secondParent(next))) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
304 result.add(next);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
305 parents.add(next); // to find next's children
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
306 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
307 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
308 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
309 // leave only those of interest in ordered sequence
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
310 orderedResult.retainAll(result);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
311 return orderedResult;
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
312 }
29
6cce719bbb62 Collector for nodes and their parents
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 24
diff changeset
313 }
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>
parents: 51 135
diff changeset
314
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>
parents: 51 135
diff changeset
315 protected static class ContentPipe implements RevlogStream.Inspector, 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>
parents: 51 135
diff changeset
316 private final ByteChannel sink;
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>
parents: 51 135
diff changeset
317 private final CancelSupport 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>
parents: 51 135
diff changeset
318 private Exception 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>
parents: 51 135
diff changeset
319 private final int offset;
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>
parents: 51 135
diff changeset
320
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>
parents: 51 135
diff changeset
321 /**
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>
parents: 51 135
diff changeset
322 * @param _sink - cannot be <code>null</code>
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>
parents: 51 135
diff changeset
323 * @param seekOffset - when positive, orders to pipe bytes to the sink starting from specified offset, not from the first byte available in DataAccess
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>
parents: 51 135
diff changeset
324 */
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>
parents: 51 135
diff changeset
325 public ContentPipe(ByteChannel _sink, int seekOffset) {
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>
parents: 51 135
diff changeset
326 assert _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>
parents: 51 135
diff changeset
327 sink = _sink;
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>
parents: 51 135
diff changeset
328 cancelSupport = CancelSupport.Factory.get(_sink);
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>
parents: 51 135
diff changeset
329 offset = seekOffset;
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>
parents: 51 135
diff changeset
330 }
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>
parents: 51 135
diff changeset
331
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>
parents: 51 135
diff changeset
332 protected void prepare(int revisionNumber, DataAccess da) throws HgException, 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>
parents: 51 135
diff changeset
333 if (offset > 0) { // save few useless reset/rewind operations
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>
parents: 51 135
diff changeset
334 da.seek(offset);
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>
parents: 51 135
diff changeset
335 }
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>
parents: 51 135
diff changeset
336 }
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>
parents: 51 135
diff changeset
337
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>
parents: 51 135
diff changeset
338 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
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>
parents: 51 135
diff changeset
339 try {
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>
parents: 51 135
diff changeset
340 prepare(revisionNumber, da); // XXX perhaps, prepare shall return DA (sliced, if needed)
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>
parents: 51 135
diff changeset
341 final ProgressSupport progressSupport = ProgressSupport.Factory.get(sink);
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>
parents: 51 135
diff changeset
342 ByteBuffer buf = ByteBuffer.allocate(512);
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>
parents: 51 135
diff changeset
343 progressSupport.start(da.length());
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>
parents: 51 135
diff changeset
344 while (!da.isEmpty()) {
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>
parents: 51 135
diff changeset
345 cancelSupport.checkCancelled();
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>
parents: 51 135
diff changeset
346 da.readBytes(buf);
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>
parents: 51 135
diff changeset
347 buf.flip();
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>
parents: 51 135
diff changeset
348 // XXX I may not rely on returned number of bytes but track change in buf position instead.
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>
parents: 51 135
diff changeset
349 int consumed = sink.write(buf);
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>
parents: 51 135
diff changeset
350 // FIXME in fact, bad sink implementation (that consumes no bytes) would result in endless loop. Need to account for this
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>
parents: 51 135
diff changeset
351 buf.compact();
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>
parents: 51 135
diff changeset
352 progressSupport.worked(consumed);
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>
parents: 51 135
diff changeset
353 }
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>
parents: 51 135
diff changeset
354 progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
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>
parents: 51 135
diff changeset
355 } catch (IOException 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>
parents: 51 135
diff changeset
356 recordFailure(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>
parents: 51 135
diff changeset
357 } catch (CancelledException 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>
parents: 51 135
diff changeset
358 recordFailure(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>
parents: 51 135
diff changeset
359 } catch (HgException 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>
parents: 51 135
diff changeset
360 recordFailure(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>
parents: 51 135
diff changeset
361 }
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>
parents: 51 135
diff changeset
362 }
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>
parents: 51 135
diff changeset
363
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>
parents: 51 135
diff changeset
364 public void checkCancelled() throws 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>
parents: 51 135
diff changeset
365 cancelSupport.checkCancelled();
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>
parents: 51 135
diff changeset
366 }
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>
parents: 51 135
diff changeset
367
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>
parents: 51 135
diff changeset
368 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>
parents: 51 135
diff changeset
369 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>
parents: 51 135
diff changeset
370 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>
parents: 51 135
diff changeset
371 }
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>
parents: 51 135
diff changeset
372
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>
parents: 51 135
diff changeset
373 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>
parents: 51 135
diff changeset
374 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>
parents: 51 135
diff changeset
375 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>
parents: 51 135
diff changeset
376 }
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>
parents: 51 135
diff changeset
377 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>
parents: 51 135
diff changeset
378 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>
parents: 51 135
diff changeset
379 }
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>
parents: 51 135
diff changeset
380 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>
parents: 51 135
diff changeset
381 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>
parents: 51 135
diff changeset
382 }
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>
parents: 51 135
diff changeset
383 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>
parents: 51 135
diff changeset
384 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>
parents: 51 135
diff changeset
385 }
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>
parents: 51 135
diff changeset
386 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>
parents: 51 135
diff changeset
387 }
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>
parents: 51 135
diff changeset
388 }
2
08db726a0fb7 Shaping out low-level Hg structures
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
389 }