jakarta.persistence.criteria.Order Maven / Gradle / Ivy
/*
* Copyright (c) 2008, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// Contributors:
// Linda DeMichiel - 2.1
// Linda DeMichiel - 2.0
package jakarta.persistence.criteria;
/**
* An object that defines an ordering over the query results.
*
* @since 2.0
*/
public interface Order {
/**
* Switch the ordering.
* @return a new Order instance with the reversed ordering
*/
Order reverse();
/**
* Whether ascending ordering is in effect.
* @return boolean indicating whether ordering is ascending
*/
boolean isAscending();
/**
* Return the expression that is used for ordering.
* @return expression used for ordering
*/
Expression getExpression();
}