/**
* Creating sharded subcriteria is tricky. We need to give the client a reference to a
* ShardedSubcriteriaImpl (which to the client just looks like a Criteria object). Then, for each
* shard where the Criteria has already been established we need to create the actual subcriteria,
* and for each shard where the Criteria has not yet been established we need to register an event
* that will create the Subcriteria when the Criteria is established.
*
* @param factory the factory to use to create the subcriteria
* @param associationPath the association path to the property on which we're creating a
* subcriteria
* @return a new ShardedSubcriteriaImpl
*/
private ShardedSubcriteriaImpl createSubcriteria(
final SubcriteriaFactory factory, final String associationPath) {
final ShardedSubcriteriaImpl subcriteria =
new ShardedSubcriteriaImpl(shards, this, criteriaCollector, associationPath);
for (final Shard shard : shards) {
final Criteria criteria = shard.getCriteriaById(criteriaId);
if (criteria != null) {
factory.createSubcriteria(criteria, NO_CRITERIA_EVENTS);
} else {
final CreateSubcriteriaEvent event =
new CreateSubcriteriaEvent(factory, subcriteria.getSubcriteriaRegistrar(shard));
shard.addCriteriaEvent(criteriaId, event);
}
}
return subcriteria;
}
private ShardedSubcriteriaImpl createSubcriteria(SubcriteriaFactory factory) {
// first build our sharded subcrit
ShardedSubcriteriaImpl subcrit = new ShardedSubcriteriaImpl(shards, parent);
for (Shard shard : shards) {
// see if we already have a concreate Criteria object for each shard
if (shardToCriteriaMap.get(shard) != null) {
// we already have a concreate Criteria for this shard, so create
// a subcrit for it using the provided factory
factory.createSubcriteria(this, shardToEventListMap.get(shard));
} else {
// we do not yet have a concrete Criteria object for this shard
// so register an event that will create a proper subcrit when we do
CreateSubcriteriaEvent event =
new CreateSubcriteriaEvent(factory, subcrit.getSubcriteriaRegistrar(shard));
shardToEventListMap.get(shard).add(event);
}
}
return subcrit;
}
