Mercurial > jhg

comparison src/org/tmatesoft/hg/internal/PhasesHelper.java @ 628:6526d8adbc0f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 22 May 2013 15:52:31 +0200
parents d2f6ab541330
children c75297c17867
comparison
equal deleted inserted replaced
627:5153eb73b18d 628:6526d8adbc0f
1 /* 1 /*
2 * Copyright (c) 2012 TMate Software Ltd 2 * Copyright (c) 2012-2013 TMate Software Ltd
3 * 3 *
4 * This program is free software; you can redistribute it and/or modify 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 5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License. 6 * the Free Software Foundation; version 2 of the License.
7 * 7 *
35 import org.tmatesoft.hg.repo.HgChangelog; 35 import org.tmatesoft.hg.repo.HgChangelog;
36 import org.tmatesoft.hg.repo.HgInvalidControlFileException; 36 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
37 import org.tmatesoft.hg.repo.HgParentChildMap; 37 import org.tmatesoft.hg.repo.HgParentChildMap;
38 import org.tmatesoft.hg.repo.HgPhase; 38 import org.tmatesoft.hg.repo.HgPhase;
39 import org.tmatesoft.hg.repo.HgRepository; 39 import org.tmatesoft.hg.repo.HgRepository;
40 import org.tmatesoft.hg.repo.HgRuntimeException;
40 41
41 /** 42 /**
42 * Support to deal with Mercurial phases feature (as of Mercurial version 2.1) 43 * Support to deal with Mercurial phases feature (as of Mercurial version 2.1)
43 * 44 *
44 * @see http://mercurial.selenic.com/wiki/Phases 45 * @see http://mercurial.selenic.com/wiki/Phases
67 68
68 public HgRepository getRepo() { 69 public HgRepository getRepo() {
69 return repo.getRepo(); 70 return repo.getRepo();
70 } 71 }
71 72
72 public boolean isCapableOfPhases() throws HgInvalidControlFileException { 73 public boolean isCapableOfPhases() throws HgRuntimeException {
73 if (null == repoSupporsPhases) { 74 if (null == repoSupporsPhases) {
74 repoSupporsPhases = readRoots(); 75 repoSupporsPhases = readRoots();
75 } 76 }
76 return repoSupporsPhases.booleanValue(); 77 return repoSupporsPhases.booleanValue();
77 } 78 }
78 79
79 80
80 public HgPhase getPhase(HgChangeset cset) throws HgInvalidControlFileException { 81 /**
82 * @param cset revision to query
83 * @return phase of the changeset, never <code>null</code>
84 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em>
85 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em>
86 */
87 public HgPhase getPhase(HgChangeset cset) throws HgRuntimeException {
81 final Nodeid csetRev = cset.getNodeid(); 88 final Nodeid csetRev = cset.getNodeid();
82 final int csetRevIndex = cset.getRevisionIndex(); 89 final int csetRevIndex = cset.getRevisionIndex();
83 return getPhase(csetRevIndex, csetRev); 90 return getPhase(csetRevIndex, csetRev);
84 } 91 }
85 92
86 public HgPhase getPhase(final int csetRevIndex, Nodeid csetRev) throws HgInvalidControlFileException { 93 /**
94 * @param csetRevIndex revision index to query
95 * @param csetRev revision nodeid, optional
96 * @return phase of the changeset, never <code>null</code>
97 * @throws HgInvalidControlFileException if failed to access revlog index/data entry. <em>Runtime exception</em>
98 * @throws HgRuntimeException subclass thereof to indicate other issues with the library. <em>Runtime exception</em>
99 */
100 public HgPhase getPhase(final int csetRevIndex, Nodeid csetRev) throws HgRuntimeException {
87 if (!isCapableOfPhases()) { 101 if (!isCapableOfPhases()) {
88 return HgPhase.Undefined; 102 return HgPhase.Undefined;
89 } 103 }
90 // csetRev is only used when parentHelper is available 104 // csetRev is only used when parentHelper is available
91 if (parentHelper != null && (csetRev == null || csetRev.isNull())) { 105 if (parentHelper != null && (csetRev == null || csetRev.isNull())) {
117 } 131 }
118 return HgPhase.Public; 132 return HgPhase.Public;
119 133
120 } 134 }
121 135
122 private Boolean readRoots() throws HgInvalidControlFileException { 136 private Boolean readRoots() throws HgRuntimeException {
123 File phaseroots = repo.getFileFromStoreDir("phaseroots"); 137 File phaseroots = repo.getFileFromStoreDir("phaseroots"); // TODO into HgRepositoryFiles
124 BufferedReader br = null; 138 BufferedReader br = null;
125 try { 139 try {
126 if (!phaseroots.exists()) { 140 if (!phaseroots.exists()) {
127 return Boolean.FALSE; 141 return Boolean.FALSE;
128 } 142 }
175 } 189 }
176 return Collections.emptyList(); 190 return Collections.emptyList();
177 } 191 }
178 192
179 193
180 private RevisionDescendants[] getPhaseDescendants(HgPhase phase) throws HgInvalidControlFileException { 194 private RevisionDescendants[] getPhaseDescendants(HgPhase phase) throws HgRuntimeException {
181 int ordinal = phase.ordinal(); 195 int ordinal = phase.ordinal();
182 if (phaseDescendants[ordinal] == null) { 196 if (phaseDescendants[ordinal] == null) {
183 phaseDescendants[ordinal] = buildPhaseDescendants(phase); 197 phaseDescendants[ordinal] = buildPhaseDescendants(phase);
184 } 198 }
185 return phaseDescendants[ordinal]; 199 return phaseDescendants[ordinal];
186 } 200 }
187 201
188 private RevisionDescendants[] buildPhaseDescendants(HgPhase phase) throws HgInvalidControlFileException { 202 private RevisionDescendants[] buildPhaseDescendants(HgPhase phase) throws HgRuntimeException {
189 int[] roots = toIndexes(getPhaseRoots(phase)); 203 int[] roots = toIndexes(getPhaseRoots(phase));
190 RevisionDescendants[] rv = new RevisionDescendants[roots.length]; 204 RevisionDescendants[] rv = new RevisionDescendants[roots.length];
191 for (int i = 0; i < roots.length; i++) { 205 for (int i = 0; i < roots.length; i++) {
192 rv[i] = new RevisionDescendants(getRepo(), roots[i]); 206 rv[i] = new RevisionDescendants(getRepo(), roots[i]);
193 rv[i].build(); 207 rv[i].build();
194 } 208 }
195 return rv; 209 return rv;
196 } 210 }
197 211
198 private int[] toIndexes(List<Nodeid> roots) throws HgInvalidControlFileException { 212 private int[] toIndexes(List<Nodeid> roots) throws HgRuntimeException {
199 int[] rv = new int[roots.size()]; 213 int[] rv = new int[roots.size()];
200 for (int i = 0; i < rv.length; i++) { 214 for (int i = 0; i < rv.length; i++) {
201 rv[i] = getRepo().getChangelog().getRevisionIndex(roots.get(i)); 215 rv[i] = getRepo().getChangelog().getRevisionIndex(roots.get(i));
202 } 216 }
203 return rv; 217 return rv;