org.hibernate.internal.CollectionFilterImpl Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, 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.internal;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.hibernate.HibernateException;
import org.hibernate.ScrollableResults;
import org.hibernate.engine.query.spi.ParameterMetadata;
import org.hibernate.engine.spi.SessionImplementor;
import org.hibernate.type.Type;
/**
* implementation of the Query interface for collection filters
* @author Gavin King
*/
public class CollectionFilterImpl extends QueryImpl {
private Object collection;
public CollectionFilterImpl(
String queryString,
Object collection,
SessionImplementor session,
ParameterMetadata parameterMetadata) {
super( queryString, session, parameterMetadata );
this.collection = collection;
}
/**
* @see org.hibernate.Query#iterate()
*/
public Iterator iterate() throws HibernateException {
verifyParameters();
Map namedParams = getNamedParams();
return getSession().iterateFilter(
collection,
expandParameterLists(namedParams),
getQueryParameters(namedParams)
);
}
/**
* @see org.hibernate.Query#list()
*/
public List list() throws HibernateException {
verifyParameters();
Map namedParams = getNamedParams();
return getSession().listFilter(
collection,
expandParameterLists(namedParams),
getQueryParameters(namedParams)
);
}
/**
* @see org.hibernate.Query#scroll()
*/
public ScrollableResults scroll() throws HibernateException {
throw new UnsupportedOperationException("Can't scroll filters");
}
public Type[] typeArray() {
List typeList = getTypes();
int size = typeList.size();
Type[] result = new Type[size+1];
for (int i=0; i