org.eclipse.persistence.internal.jpa.parsing.SomeNode Maven / Gradle / Ivy
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/*
* Copyright (c) 1998, 2020 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 v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0,
* or the Eclipse Distribution License v. 1.0 which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
*/
// 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
* Purpose: Represent a SOME subquery.
*/
public class SomeNode extends Node {
/**
* Return a new SomeNode.
*/
public SomeNode() {
super();
}
/**
* INTERNAL
* Validate node and calculate its type.
*/
@Override
public void validate(ParseTreeContext context) {
if (left != null) {
left.validate(context);
setType(left.getType());
}
}
/**
* INTERNAL
* Generate the EclipseLink expression for this node
*/
@Override
public Expression generateExpression(GenerationContext context) {
SubqueryNode subqueryNode = (SubqueryNode)getLeft();
ReportQuery reportQuery = subqueryNode.getReportQuery(context);
Expression expr = context.getBaseExpression();
return expr.some(reportQuery);
}
}