/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2009 by Red Hat Inc and/or its affiliates or by
* third-party contributors as indicated by either @author tags or express
* copyright attribution statements applied by the authors. All
* third-party contributions are distributed under license by Red Hat Inc.
*
* 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.ejb.criteria;
import java.io.Serializable;
import javax.persistence.criteria.Expression;
import javax.persistence.criteria.Order;
/**
* Represents an <tt>ORDER BY</tt> fragment.
*
* @author Steve Ebersole
*/
public class OrderImpl implements Order, Serializable {
private final Expression<?> expression;
private boolean ascending;
public OrderImpl(Expression<?> expression) {
this( expression, true );
}
public OrderImpl(Expression<?> expression, boolean ascending) {
this.expression = expression;
this.ascending = ascending;
}
public Order reverse() {
ascending = !ascending;
return this;
}
public boolean isAscending() {
return ascending;
}
public Expression<?> getExpression() {
return expression;
}
}