/*
* 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 {
QueryableCollection persister;
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]);
}
}
public String getName() {
return persister.getRole();
}
public Serializable[] getSpaces() {
return persister.getCollectionSpaces();
}
public PropertyMapping getPropertyMapping() {
return (PropertyMapping)persister;
}
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 = (Type)subTypes.get(relativePath);
if (type == null)
throw new IllegalArgumentException("property "+relativePath+" not found in component of collection "+getName());
return type;
}
}