org.hibernate.criterion.ProjectionList 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.criterion;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.internal.util.collections.ArrayHelper;
import org.hibernate.type.Type;
/**
* @author Gavin King
*/
public class ProjectionList implements EnhancedProjection {
private List elements = new ArrayList();
protected ProjectionList() {}
public ProjectionList create() {
return new ProjectionList();
}
public ProjectionList add(Projection proj) {
elements.add(proj);
return this;
}
public ProjectionList add(Projection projection, String alias) {
return add( Projections.alias( projection, alias ) );
}
public Type[] getTypes(Criteria criteria, CriteriaQuery criteriaQuery)
throws HibernateException {
List types = new ArrayList( getLength() );
for ( int i=0; i2 ) buf.setLength( buf.length()-2 ); //pull off the last ", "
return buf.toString();
}
public String[] getColumnAliases(int loc) {
List result = new ArrayList( getLength() );
for ( int i=0; i