/**
* Method to remove all elements from the collection from the TreeSet.
*
* @param elements The collection of elements to remove
* @return Whether it was removed ok.
*/
public boolean removeAll(java.util.Collection elements) {
makeDirty();
if (useCache) {
loadFromStore();
}
int size = (useCache ? delegate.size() : -1);
Collection contained = null;
if (backingStore != null && SCOUtils.useQueuedUpdate(queued, ownerOP)) {
// Check which are contained before updating the delegate
contained = new java.util.HashSet();
for (Object elem : elements) {
if (contains(elem)) {
contained.add(elem);
}
}
}
boolean delegateSuccess = delegate.removeAll(elements);
if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations()) {
// Relationship management
Iterator iter = elements.iterator();
RelationshipManager relMgr = ownerOP.getExecutionContext().getRelationshipManager(ownerOP);
while (iter.hasNext()) {
relMgr.relationRemove(ownerMmd.getAbsoluteFieldNumber(), iter.next());
}
}
if (backingStore != null) {
boolean backingSuccess = true;
if (SCOUtils.useQueuedUpdate(queued, ownerOP)) {
backingSuccess = false;
for (Object element : contained) {
backingSuccess = true;
ownerOP
.getExecutionContext()
.addOperationToQueue(
new CollectionRemoveOperation(ownerOP, backingStore, element, true));
}
} else {
try {
backingSuccess = backingStore.removeAll(ownerOP, elements, size);
} catch (NucleusDataStoreException dse) {
NucleusLogger.PERSISTENCE.warn(
LOCALISER.msg("023013", "removeAll", ownerMmd.getName(), dse));
backingSuccess = false;
}
}
if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
ownerOP.getExecutionContext().processNontransactionalUpdate();
}
return backingSuccess;
} else {
if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
ownerOP.getExecutionContext().processNontransactionalUpdate();
}
return delegateSuccess;
}
}
