FileDocCategorySizeDatePackage
NamedQueryCollectionInitializer.javaAPI DocHibernate 3.2.51709Thu Jun 15 02:50:12 BST 2006org.hibernate.persister.collection

NamedQueryCollectionInitializer

public final class NamedQueryCollectionInitializer extends Object implements org.hibernate.loader.collection.CollectionInitializer
A wrapper around a named query.
author
Gavin King

(Omit source code)

Fields Summary
private final String
queryName
private final CollectionPersister
persister
private static final Log
log
Constructors Summary
public NamedQueryCollectionInitializer(String queryName, CollectionPersister persister)


	     
		super();
		this.queryName = queryName;
		this.persister = persister;
Methods Summary
public voidinitialize(java.io.Serializable key, org.hibernate.engine.SessionImplementor session)

		
		if ( log.isDebugEnabled() ) {
			log.debug(
					"initializing collection: " + 
					persister.getRole() + 
					" using named query: " + 
					queryName 
				);
		}
		
		//TODO: is there a more elegant way than downcasting?
		AbstractQueryImpl query = (AbstractQueryImpl) session.getNamedSQLQuery(queryName); 
		if ( query.getNamedParameters().length>0 ) {
			query.setParameter( 
					query.getNamedParameters()[0], 
					key, 
					persister.getKeyType() 
				);
		}
		else {
			query.setParameter( 0, key, persister.getKeyType() );
		}
		query.setCollectionKey( key )
				.setFlushMode( FlushMode.MANUAL )
				.list();