/*******************************************************************************
* Copyright (c) 1998, 2009 Oracle. 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.*;
import org.eclipse.persistence.queries.ReportQuery;
/**
* INTERNAL
* <p><b>Purpose</b>: Represent a SOME subquery.
*/
public class SomeNode extends Node {
/**
* Return a new SomeNode.
*/
public SomeNode() {
super();
}
/**
* INTERNAL
* Validate node and calculate its type.
*/
public void validate(ParseTreeContext context) {
if (left != null) {
left.validate(context);
setType(left.getType());
}
}
/**
* INTERNAL
* Generate the EclipseLink expression for this node
*/
public Expression generateExpression(GenerationContext context) {
SubqueryNode subqueryNode = (SubqueryNode)getLeft();
ReportQuery reportQuery = subqueryNode.getReportQuery(context);
Expression expr = context.getBaseExpression();
return expr.some(reportQuery);
}
}