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comparison src/org/tmatesoft/hg/repo/HgBranches.java @ 628:6526d8adbc0f

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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 5c68567b3645
children 12a4f60ea972 a5cf64f2e7e4
comparison
equal deleted inserted replaced
627:5153eb73b18d 628:6526d8adbc0f
38 import java.util.regex.Pattern; 38 import java.util.regex.Pattern;
39 39
40 import org.tmatesoft.hg.core.Nodeid; 40 import org.tmatesoft.hg.core.Nodeid;
41 import org.tmatesoft.hg.internal.ChangelogMonitor; 41 import org.tmatesoft.hg.internal.ChangelogMonitor;
42 import org.tmatesoft.hg.internal.Experimental; 42 import org.tmatesoft.hg.internal.Experimental;
43 import org.tmatesoft.hg.internal.FileUtils;
43 import org.tmatesoft.hg.internal.Internals; 44 import org.tmatesoft.hg.internal.Internals;
44 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset; 45 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
45 import org.tmatesoft.hg.util.ProgressSupport; 46 import org.tmatesoft.hg.util.ProgressSupport;
46 47
47 /** 48 /**
66 File branchheadsCache = getCacheFile(); 67 File branchheadsCache = getCacheFile();
67 int lastInCache = -1; 68 int lastInCache = -1;
68 if (!branchheadsCache.canRead()) { 69 if (!branchheadsCache.canRead()) {
69 return lastInCache; 70 return lastInCache;
70 } 71 }
71 BufferedReader br = null; 72 BufferedReader br = null; // TODO replace with LineReader
72 final Pattern spacePattern = Pattern.compile(" "); 73 final Pattern spacePattern = Pattern.compile(" ");
73 try { 74 try {
74 final LinkedHashMap<String, List<Nodeid>> branchHeads = new LinkedHashMap<String, List<Nodeid>>(); 75 final LinkedHashMap<String, List<Nodeid>> branchHeads = new LinkedHashMap<String, List<Nodeid>>();
75 br = new BufferedReader(new FileReader(branchheadsCache)); 76 br = new BufferedReader(new FileReader(branchheadsCache));
76 String line = br.readLine(); 77 String line = br.readLine();
109 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null); 110 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null);
110 // FALL THROUGH to return -1 indicating no cache information 111 // FALL THROUGH to return -1 indicating no cache information
111 } catch (NumberFormatException ex) { 112 } catch (NumberFormatException ex) {
112 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null); 113 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null);
113 // FALL THROUGH 114 // FALL THROUGH
114 } catch (HgInvalidControlFileException ex) { 115 } catch (HgRuntimeException ex) {
115 // shall not happen, thus log as error 116 // if happens, log error and pretend there's no cache
116 repo.getSessionContext().getLog().dump(getClass(), Error, ex, null);
117 // FALL THROUGH
118 } catch (HgInvalidRevisionException ex) {
119 repo.getSessionContext().getLog().dump(getClass(), Error, ex, null); 117 repo.getSessionContext().getLog().dump(getClass(), Error, ex, null);
120 // FALL THROUGH 118 // FALL THROUGH
121 } finally { 119 } finally {
122 if (br != null) { 120 new FileUtils(repo.getSessionContext().getLog()).closeQuietly(br);
123 try {
124 br.close();
125 } catch (IOException ex) {
126 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null); // ignore
127 }
128 }
129 } 121 }
130 return -1; // deliberately not lastInCache, to avoid anything but -1 when 1st line was read and there's error is in lines 2..end 122 return -1; // deliberately not lastInCache, to avoid anything but -1 when 1st line was read and there's error is in lines 2..end
131 } 123 }
132 124
133 void collect(final ProgressSupport ps) throws HgInvalidControlFileException { 125 void collect(final ProgressSupport ps) throws HgRuntimeException {
134 branches.clear(); 126 branches.clear();
135 final HgRepository repo = internalRepo.getRepo(); 127 final HgRepository repo = internalRepo.getRepo();
136 ps.start(1 + repo.getChangelog().getRevisionCount() * 2); 128 ps.start(1 + repo.getChangelog().getRevisionCount() * 2);
137 // 129 //
138 int lastCached = readCache(); 130 int lastCached = readCache();
284 private File getCacheFile() { 276 private File getCacheFile() {
285 // prior to 1.8 used to be .hg/branchheads.cache 277 // prior to 1.8 used to be .hg/branchheads.cache
286 return internalRepo.getFileFromRepoDir("cache/branchheads"); 278 return internalRepo.getFileFromRepoDir("cache/branchheads");
287 } 279 }
288 280
289 /*package-local*/ void reloadIfChanged(ProgressSupport ps) throws HgInvalidControlFileException { 281 /*package-local*/ void reloadIfChanged(ProgressSupport ps) throws HgRuntimeException {
290 if (repoChangeTracker.isChanged()) { 282 if (repoChangeTracker.isChanged()) {
291 collect(ps); 283 collect(ps);
292 } 284 }
293 } 285 }
294 286
311 // proper BI in #collect() 303 // proper BI in #collect()
312 BranchInfo(String branchName, Nodeid[] branchHeads) { 304 BranchInfo(String branchName, Nodeid[] branchHeads) {
313 this(branchName, Nodeid.NULL, branchHeads); 305 this(branchName, Nodeid.NULL, branchHeads);
314 } 306 }
315 307
316 void validate(HgChangelog clog, HgRevisionMap<HgChangelog> rmap) throws HgInvalidControlFileException { 308 void validate(HgChangelog clog, HgRevisionMap<HgChangelog> rmap) throws HgRuntimeException {
317 int[] localCset = new int[heads.size()]; 309 int[] localCset = new int[heads.size()];
318 int i = 0; 310 int i = 0;
319 for (Nodeid h : heads) { 311 for (Nodeid h : heads) {
320 localCset[i++] = rmap.revisionIndex(h); 312 localCset[i++] = rmap.revisionIndex(h);
321 } 313 }