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comparison src/org/tmatesoft/hg/core/Cset.java @ 64:19e9e220bf68

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Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 21 Jan 2011 05:56:43 +0100
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63:a47530a2ea12 64:19e9e220bf68
1 /*
2 * Copyright (c) 2011 TMate Software Ltd
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * For information on how to redistribute this software under
14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@svnkit.com
16 */
17 package org.tmatesoft.hg.core;
18
19 import java.util.ArrayList;
20 import java.util.Collections;
21 import java.util.List;
22
23 import org.tmatesoft.hg.core.LogCommand.FileRevision;
24 import org.tmatesoft.hg.util.PathPool;
25
26 import com.tmate.hgkit.ll.Changeset;
27 import com.tmate.hgkit.ll.HgRepository;
28 import com.tmate.hgkit.ll.Nodeid;
29 import com.tmate.hgkit.ll.StatusCollector;
30
31 /**
32 * TODO rename to Changeset along with original Changeset moved to .repo and renamed to HgChangeset?
33 * Not thread-safe, don't try to read from different threads
34 *
35 * @author Artem Tikhomirov
36 * @author TMate Software Ltd.
37 */
38 public class Cset implements Cloneable {
39 private final StatusCollector statusHelper;
40 private final PathPool pathHelper;
41
42 //
43 private Changeset changeset;
44 private Nodeid nodeid;
45
46 //
47 private List<FileRevision> modifiedFiles, addedFiles;
48 private List<Path> deletedFiles;
49 private int revNumber;
50
51 // XXX consider CommandContext with StatusCollector, PathPool etc. Commands optionally get CC through a cons or create new
52 // and pass it around
53 /*package-local*/Cset(StatusCollector statusCollector, PathPool pathPool) {
54 statusHelper = statusCollector;
55 pathHelper = pathPool;
56 }
57
58 /*package-local*/
59 void init(int localRevNumber, Nodeid nid, Changeset rawChangeset) {
60 revNumber = localRevNumber;
61 nodeid = nid;
62 changeset = rawChangeset;
63 }
64
65 public String getUser() {
66 return changeset.user();
67 }
68 public String getComment() {
69 return changeset.comment();
70 }
71 public String getBranch() {
72 return changeset.branch();
73 }
74 public String getDate() {
75 return changeset.dateString();
76 }
77
78 public List<Path> getAffectedFiles() {
79 ArrayList<Path> rv = new ArrayList<Path>(changeset.files().size());
80 for (String name : changeset.files()) {
81 rv.add(pathHelper.path(name));
82 }
83 return rv;
84 }
85
86 public List<FileRevision> getModifiedFiles() {
87 if (modifiedFiles == null) {
88 initFileChanges();
89 }
90 return modifiedFiles;
91 }
92
93 public List<FileRevision> getAddedFiles() {
94 if (addedFiles == null) {
95 initFileChanges();
96 }
97 return addedFiles;
98 }
99
100 public List<Path> getRemovedFiles() {
101 if (deletedFiles == null) {
102 initFileChanges();
103 }
104 return deletedFiles;
105 }
106
107 @Override
108 public Cset clone() {
109 try {
110 Cset copy = (Cset) super.clone();
111 copy.changeset = changeset.clone();
112 return copy;
113 } catch (CloneNotSupportedException ex) {
114 throw new InternalError(ex.toString());
115 }
116 }
117
118 private /*synchronized*/ void initFileChanges() {
119 ArrayList<Path> deleted = new ArrayList<Path>();
120 ArrayList<FileRevision> modified = new ArrayList<FileRevision>();
121 ArrayList<FileRevision> added = new ArrayList<FileRevision>();
122 StatusCollector.Record r = new StatusCollector.Record();
123 statusHelper.change(revNumber, r);
124 final HgRepository repo = statusHelper.getRepo();
125 for (String s : r.getModified()) {
126 Path p = pathHelper.path(s);
127 Nodeid nid = r.nodeidAfterChange(s);
128 if (nid == null) {
129 throw new IllegalArgumentException();
130 }
131 modified.add(new FileRevision(repo, nid, p));
132 }
133 for (String s : r.getAdded()) {
134 Path p = pathHelper.path(s);
135 Nodeid nid = r.nodeidAfterChange(s);
136 if (nid == null) {
137 throw new IllegalArgumentException();
138 }
139 added.add(new FileRevision(repo, nid, p));
140 }
141 for (String s : r.getRemoved()) {
142 deleted.add(pathHelper.path(s));
143 }
144 modified.trimToSize();
145 added.trimToSize();
146 deleted.trimToSize();
147 modifiedFiles = Collections.unmodifiableList(modified);
148 addedFiles = Collections.unmodifiableList(added);
149 deletedFiles = Collections.unmodifiableList(deleted);
150 }
151 }