jakarta.persistence.TupleElement 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;
/**
* The TupleElement interface defines an element that is returned in
* a query result tuple.
* @param the type of the element
*
* @see Tuple
*
* @since 2.0
*/
public interface TupleElement {
/**
* Return the Java type of the tuple element.
* @return the Java type of the tuple element
*/
Class getJavaType();
/**
* Return the alias assigned to the tuple element or null,
* if no alias has been assigned.
* @return alias
*/
String getAlias();
}