/*******************************************************************************
* Copyright (c) 2011, 2015 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 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.
*
* Contributors:
* Gordon Yorke - Initial development
*
******************************************************************************/
package org.eclipse.persistence.internal.jpa.querydef;
/**
* <p>
* <b>Purpose</b>: Represents a Selection in the Criteria API implementation hierarchy.
* <p>
* <b>Description</b>: An InternalSelection has the EclipseLink expression representation of the
* Criteria API expressions. A special interface was created because Subqueries can be selections but are not in the
* ExpressionImpl hierarchy
* <p>
*
* @see javax.persistence.criteria Expression
*
* @author gyorke
* @since EclipseLink 1.2
*/
public interface InternalSelection{
public void findRootAndParameters(CommonAbstractCriteriaImpl criteriaQuery);
public org.eclipse.persistence.expressions.Expression getCurrentNode();
public boolean isFrom();
public boolean isRoot();
public boolean isConstructor();
}