//$Id: CollectionFilterImpl.java 8524 2005-11-04 21:28:49Z steveebersole $
package org.hibernate.impl;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.hibernate.HibernateException;
import org.hibernate.ScrollableResults;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.engine.query.ParameterMetadata;
import org.hibernate.type.Type;
/**
* implementation of the <tt>Query</tt> 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<size; i++) result[i+1] = (Type) typeList.get(i);
return result;
}
public Object[] valueArray() {
List valueList = getValues();
int size = valueList.size();
Object[] result = new Object[size+1];
for (int i=0; i<size; i++) result[i+1] = valueList.get(i);
return result;
}
}
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