/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
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.ComponentType;
import org.hibernate.type.Type;
/**
* @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" );
}
ComponentType componentType = (ComponentType) 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;
}
}