private boolean take(Object data) {
if (data instanceof Pair<?, ?>) {
Pair<?, ?> pair = (Pair<?, ?>) data;
boolean taken = takeNoPair(pair.getElement1());
taken |= takeNoPair(pair.getElement2());
return taken;
}
return takeNoPair(data);
}
protected CDOSession getSession(
String authority, String repositoryName, IProgressMonitor monitor) {
Pair<String, String> sessionKey = Pair.create(authority, repositoryName);
CDOSession session = sessions.get(sessionKey);
if (session == null) {
final CDOSessionConfiguration configuration =
createSessionConfiguration(authority, repositoryName, monitor);
session =
InfiniteProgress.call(
"Open session",
new Callable<CDOSession>() {
public CDOSession call() throws Exception {
return configuration.openSession();
}
});
sessions.put(sessionKey, session);
}
return session;
}
@Override
protected Object changedInSourceAndTarget(
CDORevisionDelta targetDelta, CDORevisionDelta sourceDelta) {
InternalCDORevisionDelta result = new CDORevisionDeltaImpl(targetDelta, false);
ChangedInSourceAndTargetConflict conflict = null;
Map<EStructuralFeature, CDOFeatureDelta> targetMap =
((InternalCDORevisionDelta) targetDelta).getFeatureDeltaMap();
Map<EStructuralFeature, CDOFeatureDelta> sourceMap =
((InternalCDORevisionDelta) sourceDelta).getFeatureDeltaMap();
for (CDOFeatureDelta targetFeatureDelta : targetMap.values()) {
EStructuralFeature feature = targetFeatureDelta.getFeature();
CDOFeatureDelta sourceFeatureDelta = sourceMap.get(feature);
if (sourceFeatureDelta == null) {
CDOFeatureDelta featureDelta = changedInTarget(targetFeatureDelta);
if (featureDelta != null) {
result.addFeatureDelta(featureDelta, null);
}
} else {
CDOFeatureDelta featureDelta =
changedInSourceAndTarget(targetFeatureDelta, sourceFeatureDelta);
if (featureDelta != null) {
result.addFeatureDelta(featureDelta, null);
} else {
if (conflict == null) {
ResolutionPreference resolutionPreference = getResolutionPreference();
switch (resolutionPreference) {
case SOURCE_OVER_TARGET:
// TODO: implement
// DefaultCDOMerger.PerFeature.changedInSourceAndTarget(targetDelta, sourceDelta)
throw new UnsupportedOperationException();
case TARGET_OVER_SOURCE:
// TODO: implement
// DefaultCDOMerger.PerFeature.changedInSourceAndTarget(targetDelta, sourceDelta)
throw new UnsupportedOperationException();
case NONE:
conflict =
new ChangedInSourceAndTargetConflict(
new CDORevisionDeltaImpl(targetDelta, false),
new CDORevisionDeltaImpl(sourceDelta, false));
break;
default:
throw new IllegalStateException(
"Illegal resolution preference: " + resolutionPreference);
}
}
((InternalCDORevisionDelta) conflict.getTargetDelta())
.addFeatureDelta(targetFeatureDelta, null);
((InternalCDORevisionDelta) conflict.getSourceDelta())
.addFeatureDelta(sourceFeatureDelta, null);
}
}
}
for (CDOFeatureDelta sourceFeatureDelta : sourceMap.values()) {
EStructuralFeature feature = sourceFeatureDelta.getFeature();
CDOFeatureDelta targetFeatureDelta = targetMap.get(feature);
if (targetFeatureDelta == null) {
CDOFeatureDelta featureDelta = changedInSource(sourceFeatureDelta);
if (featureDelta != null) {
result.addFeatureDelta(featureDelta, null);
}
}
}
if (result.isEmpty()) {
return conflict;
}
if (conflict != null) {
return Pair.create(result, conflict);
}
return result;
}