/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.loader.criteria;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import org.hibernate.persister.collection.QueryableCollection;
import org.hibernate.persister.entity.PropertyMapping;
import org.hibernate.type.CompositeType;
import org.hibernate.type.Type;

Author:David Mansfield
/** * @author David Mansfield */
class ComponentCollectionCriteriaInfoProvider implements CriteriaInfoProvider { private final QueryableCollection persister; private final Map<String, Type> subTypes = new HashMap<String, Type>(); ComponentCollectionCriteriaInfoProvider(QueryableCollection persister) { this.persister = persister; if ( !persister.getElementType().isComponentType() ) { throw new IllegalArgumentException( "persister for role " + persister.getRole() + " is not a collection-of-component" ); } CompositeType componentType = (CompositeType) persister.getElementType(); String[] names = componentType.getPropertyNames(); Type[] types = componentType.getSubtypes(); for ( int i = 0; i < names.length; i++ ) { subTypes.put( names[i], types[i] ); } } @Override public String getName() { return persister.getRole(); } @Override public Serializable[] getSpaces() { return persister.getCollectionSpaces(); } @Override public PropertyMapping getPropertyMapping() { return persister; } @Override public Type getType(String relativePath) { // TODO: can a component have a nested component? then we may need to do something more here... if ( relativePath.indexOf( '.' ) >= 0 ) { throw new IllegalArgumentException( "dotted paths not handled (yet?!) for collection-of-component" ); } Type type = subTypes.get( relativePath ); if ( type == null ) { throw new IllegalArgumentException( "property " + relativePath + " not found in component of collection " + getName() ); } return type; } }