帆软使用的第三方框架。
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/*
* Copyright (c) 2008, 2009, 2011 Oracle, Inc. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution. The Eclipse Public License is available
* at http://www.eclipse.org/legal/epl-v10.html and the Eclipse Distribution License
* is available at http://www.eclipse.org/org/documents/edl-v10.php.
*/
package com.fr.third.javax.persistence;
/**
* The <code>TupleElement</code> interface defines an element that is returned in
* a query result tuple.
*
* @param <X> the type of the element
* @see Tuple
* @since Java Persistence 2.0
*/
public interface TupleElement<X> {
/**
* Return the Java type of the tuple element.
*
* @return the Java type of the tuple element
*/
Class<? extends X> getJavaType();
/**
* Return the alias assigned to the tuple element or null,
* if no alias has been assigned.
*
* @return alias
*/
String getAlias();
}