/******************************************************************************* | |
* 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 | |
******************************************************************************/ | |
/** | |
* INTERNAL | |
* <p><b>Purpose</b>: This node represents a HAVING | |
* <p><b>Responsibilities</b>:<ul> | |
* <li> Generate the correct expression for HAVING | |
* </ul> | |
*/ | |
package org.eclipse.persistence.internal.jpa.parsing; | |
import org.eclipse.persistence.queries.ReportQuery; | |
import org.eclipse.persistence.queries.ObjectLevelReadQuery; | |
import org.eclipse.persistence.expressions.Expression; | |
public class HavingNode extends MajorNode { | |
private Node having = null; | |
/** | |
* INTERNAL | |
* Validate the current node. | |
*/ | |
public void validate(ParseTreeContext context, GroupByNode groupbyNode) { | |
if (having != null) { | |
having.validate(context); | |
} | |
} | |
/** | |
* INTERNAL | |
* Add the having expression to the passed query | |
*/ | |
public void addHavingToQuery(ObjectLevelReadQuery theQuery, GenerationContext context) { | |
if (theQuery.isReportQuery()) { | |
Expression havingExpression = getHaving().generateExpression(context); | |
((ReportQuery)theQuery).setHavingExpression(havingExpression); | |
} | |
} | |
/** | |
* INTERNAL | |
* Return the HAVING expression | |
*/ | |
public Node getHaving() { | |
return having; | |
} | |
/** | |
* INTERNAL | |
* Set the HAVING expression | |
*/ | |
public void setHaving(Node having) { | |
this.having = having; | |
} | |
} |