use of com.intellij.util.containers.OpenTHashSet in project intellij-community by JetBrains.
the class GitLogProvider method readFirstBlock.
@NotNull
@Override
public DetailedLogData readFirstBlock(@NotNull VirtualFile root, @NotNull Requirements requirements) throws VcsException {
if (!isRepositoryReady(root)) {
return LogDataImpl.empty();
}
GitRepository repository = ObjectUtils.assertNotNull(myRepositoryManager.getRepositoryForRoot(root));
// need to query more to sort them manually; this doesn't affect performance: it is equal for -1000 and -2000
int commitCount = requirements.getCommitCount() * 2;
String[] params = new String[] { "HEAD", "--branches", "--remotes", "--max-count=" + commitCount };
// NB: not specifying --tags, because it introduces great slowdown if there are many tags,
// but makes sense only if there are heads without branch or HEAD labels (rare case). Such cases are partially handled below.
boolean refresh = requirements instanceof VcsLogProviderRequirementsEx && ((VcsLogProviderRequirementsEx) requirements).isRefresh();
DetailedLogData data = GitHistoryUtils.loadMetadata(myProject, root, params);
Set<VcsRef> safeRefs = data.getRefs();
Set<VcsRef> allRefs = new OpenTHashSet<>(safeRefs, DONT_CONSIDER_SHA);
Set<VcsRef> branches = readBranches(repository);
addNewElements(allRefs, branches);
Collection<VcsCommitMetadata> allDetails;
Set<String> currentTagNames = null;
DetailedLogData commitsFromTags = null;
if (!refresh) {
allDetails = data.getCommits();
} else {
// on refresh: get new tags, which point to commits not from the first block; then get history, walking down just from these tags
// on init: just ignore such tagged-only branches. The price for speed-up.
VcsLogProviderRequirementsEx rex = (VcsLogProviderRequirementsEx) requirements;
currentTagNames = readCurrentTagNames(root);
addOldStillExistingTags(allRefs, currentTagNames, rex.getPreviousRefs());
allDetails = newHashSet(data.getCommits());
Set<String> previousTags = newHashSet(ContainerUtil.mapNotNull(rex.getPreviousRefs(), GET_TAG_NAME));
Set<String> safeTags = newHashSet(ContainerUtil.mapNotNull(safeRefs, GET_TAG_NAME));
Set<String> newUnmatchedTags = remove(currentTagNames, previousTags, safeTags);
if (!newUnmatchedTags.isEmpty()) {
commitsFromTags = loadSomeCommitsOnTaggedBranches(root, commitCount, newUnmatchedTags);
addNewElements(allDetails, commitsFromTags.getCommits());
addNewElements(allRefs, commitsFromTags.getRefs());
}
}
StopWatch sw = StopWatch.start("sorting commits in " + root.getName());
List<VcsCommitMetadata> sortedCommits = VcsLogSorter.sortByDateTopoOrder(allDetails);
sortedCommits = sortedCommits.subList(0, Math.min(sortedCommits.size(), requirements.getCommitCount()));
sw.report();
if (LOG.isDebugEnabled()) {
validateDataAndReportError(root, allRefs, sortedCommits, data, branches, currentTagNames, commitsFromTags);
}
return new LogDataImpl(allRefs, sortedCommits);
}
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