org.hibernate.persister.collection.CollectionPersister#isOneToMany ( )源码实例Demo

/**
 * Constructs a BasicCollectionLoadQueryDetails object from the given inputs.
 *
 * @param collectionPersister The collection persister.
 * @param loadPlan The load plan.
 * @param buildingParameters And influencers that would affect the generated SQL (mostly we are concerned with those
 * that add additional joins here)
 *
 * @return The EntityLoadQueryDetails
 */
public LoadQueryDetails makeCollectionLoadQueryDetails(
		CollectionPersister collectionPersister,
		LoadPlan loadPlan,
		QueryBuildingParameters buildingParameters) {
	final CollectionReturn rootReturn = RootHelper.INSTANCE.extractRootReturn( loadPlan, CollectionReturn.class );
	final AliasResolutionContextImpl aliasResolutionContext = new AliasResolutionContextImpl(
			collectionPersister.getFactory()
	);
	return collectionPersister.isOneToMany() ?
			new OneToManyLoadQueryDetails(
					loadPlan,
					aliasResolutionContext,
					rootReturn,
					buildingParameters,
					collectionPersister.getFactory()
			) :
			new BasicCollectionLoadQueryDetails(
					loadPlan,
					aliasResolutionContext,
					rootReturn,
					buildingParameters,
					collectionPersister.getFactory()
			);
}
 

@Override
public boolean needsRecreate(CollectionPersister persister) {
	return !persister.isOneToMany();
}
 

public boolean needsRecreate(CollectionPersister persister) {
	return !persister.isOneToMany();
}