private ChangeLogSet getChangeLog(
Stream stream,
List<FileDifference> streamDifferences,
List<Transaction> streamHistory,
List<Transaction> workspaceHistory,
Date startDate,
Date endDate) {
// Collect all the "to" versions from the streamDifferences into a Map by element id
// If that version is seen in the promote/keep history then we move it from the map
// At the end we create a pseudo ChangeSet for any remaining entries in the map as
// representing "upstream changes"
Map<Long, FileDifference> differencesMap = new HashMap<Long, FileDifference>();
for (FileDifference fileDifference : streamDifferences) {
differencesMap.put(fileDifference.getElementId(), fileDifference);
}
List<Transaction> mergedHistory = new ArrayList<Transaction>(streamHistory);
// will never match a version
String streamPrefix = "/";
mergedHistory.addAll(workspaceHistory);
streamPrefix = stream.getId() + "/";
List<ChangeSet> entries = new ArrayList<ChangeSet>(streamHistory.size());
for (Transaction t : mergedHistory) {
if ((startDate != null && t.getWhen().before(startDate))
|| (endDate != null && t.getWhen().after(endDate))) {
// This is possible if dates and transactions are mixed in the time spec.
continue;
}
// Needed to make Tck test pass against accurev > 4.7.2 - the changelog only expects to deal
// with
// files. Stream changes and cross links are important entries in the changelog.
// However we should only see mkstream once and it is irrelevant given we are interrogating
// the history of this stream.
if ("mkstream".equals(t.getTranType())) {
continue;
}
Collection<Version> versions = t.getVersions();
List<ChangeFile> files = new ArrayList<ChangeFile>(versions.size());
for (Version v : versions) {
// Remove diff representing this promote
FileDifference difference = differencesMap.get(v.getElementId());
// TODO: how are defuncts shown in the version history?
if (difference != null) {
String newVersionSpec = difference.getNewVersionSpec();
if (newVersionSpec != null && newVersionSpec.equals(v.getRealSpec())) {
if (getLogger().isDebugEnabled()) {
getLogger().debug("Removing difference for " + v);
}
differencesMap.remove(v.getElementId());
}
}
// Add this file, unless the virtual version indicates this is the basis stream, and the
// real
// version came from our workspace stream (ie, this transaction is a promote from the
// workspace
// to its basis stream, and is therefore NOT a change
if (v.getRealSpec().startsWith(streamPrefix)
&& !v.getVirtualSpec().startsWith(streamPrefix)) {
if (getLogger().isDebugEnabled()) {
getLogger().debug("Skipping workspace to basis stream promote " + v);
}
} else {
ChangeFile f =
new ChangeFile(v.getElementName(), v.getVirtualSpec() + " (" + v.getRealSpec() + ")");
files.add(f);
}
}
if (versions.isEmpty() || !files.isEmpty()) {
ChangeSet changeSet = new ChangeSet(t.getWhen(), t.getComment(), t.getAuthor(), files);
entries.add(changeSet);
} else {
if (getLogger().isDebugEnabled()) {
getLogger().debug("All versions removed for " + t);
}
}
}
// Anything left in the differencesMap represents a change from a higher stream
// We don't have details on who or where these came from, but it is important to
// detect these for CI tools like Continuum
if (!differencesMap.isEmpty()) {
List<ChangeFile> upstreamFiles = new ArrayList<ChangeFile>();
for (FileDifference difference : differencesMap.values()) {
if (difference.getNewVersionSpec() != null) {
upstreamFiles.add(
new ChangeFile(difference.getNewFile().getPath(), difference.getNewVersionSpec()));
} else {
// difference is a deletion
upstreamFiles.add(new ChangeFile(difference.getOldFile().getPath(), null));
}
}
entries.add(new ChangeSet(endDate, "Upstream changes", "various", upstreamFiles));
}
return new ChangeLogSet(entries, startDate, endDate);
}
