/**
* Method to add an element to the TreeSet.
*
* @param element The new element
* @return Whether it was added ok.
*/
public boolean add(Object element) {
// Reject inappropriate elements
if (!allowNulls && element == null) {
throw new NullPointerException(
"Nulls not allowed for collection at field "
+ ownerMmd.getName()
+ " but element is null");
}
if (useCache) {
loadFromStore();
}
if (contains(element)) {
return false;
}
if (ownerOP != null && ownerOP.getExecutionContext().getManageRelations()) {
// Relationship management
ownerOP
.getExecutionContext()
.getRelationshipManager(ownerOP)
.relationAdd(ownerMmd.getAbsoluteFieldNumber(), element);
}
boolean backingSuccess = true;
if (backingStore != null) {
if (SCOUtils.useQueuedUpdate(queued, ownerOP)) {
ownerOP
.getExecutionContext()
.addOperationToQueue(new CollectionAddOperation(ownerOP, backingStore, element));
} else {
try {
backingStore.add(ownerOP, element, (useCache ? delegate.size() : -1));
} catch (NucleusDataStoreException dse) {
NucleusLogger.PERSISTENCE.warn(LOCALISER.msg("023013", "add", ownerMmd.getName(), dse));
backingSuccess = false;
}
}
}
// Only make it dirty after adding the field to the datastore so we give it time
// to be inserted - otherwise jdoPreStore on this object would have been called before
// completing the addition
makeDirty();
boolean delegateSuccess = delegate.add(element);
if (ownerOP != null && !ownerOP.getExecutionContext().getTransaction().isActive()) {
ownerOP.getExecutionContext().processNontransactionalUpdate();
}
return (backingStore != null ? backingSuccess : delegateSuccess);
}
