/******************************************************************************* | |
* Copyright (c) 1998, 2013 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: | |
* Oracle - initial API and implementation from Oracle TopLink | |
******************************************************************************/ | |
package org.eclipse.persistence.internal.jpa.parsing; | |
import org.eclipse.persistence.expressions.*; | |
/** | |
* INTERNAL | |
* <p><b>Purpose</b>: Represent an AND in EJBQL | |
* <p><b>Responsibilities</b>:<ul> | |
* <li> Generate the correct expression for an AND in EJBQL | |
* </ul> | |
* @author Jon Driscoll and Joel Lucuik | |
* @since TopLink 4.0 | |
*/ | |
public class AndNode extends LogicalOperatorNode { | |
/** | |
* AndNode constructor comment. | |
*/ | |
public AndNode() { | |
super(); | |
} | |
/** | |
* INTERNAL | |
* Return a EclipseLink expression by 'AND'ing the expressions from the left and right nodes | |
*/ | |
public Expression generateExpression(GenerationContext context) { | |
// Get the left expression | |
Expression whereClause = getLeft().generateExpression(context); | |
// Or it with whatever the right expression is | |
whereClause = whereClause.and(getRight().generateExpression(context)); | |
// and return the expression... | |
return whereClause; | |
} | |
} |