org.eclipse.persistence.internal.jpa.parsing.ClassForInheritanceNode Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of org.eclipse.persistence.core Show documentation
Show all versions of org.eclipse.persistence.core Show documentation
EclipseLink build based upon Git transaction ecdf3c32c4
/*
* Copyright (c) 1998, 2018 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.Expression;
import org.eclipse.persistence.queries.ObjectLevelReadQuery;
import org.eclipse.persistence.queries.ReportQuery;
public class ClassForInheritanceNode extends Node implements AliasableNode {
public ClassForInheritanceNode(){
super();
}
/**
* INTERNAL
* Apply this node to the passed query
*/
public void applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext generationContext) {
if (theQuery instanceof ReportQuery) {
ReportQuery reportQuery = (ReportQuery)theQuery;
Expression expression = generateExpression(generationContext);
reportQuery.addAttribute(left.resolveAttribute() + " Type", expression, Class.class);
}
}
/**
* INTERNAL
* Generate the a new EclipseLink TableEntryExpression for this node.
*/
public Expression generateExpression(GenerationContext context) {
Expression owningExpression = getLeft().generateExpression(context);
return owningExpression.type();
}
public void validate(ParseTreeContext context) {
left.validate(context);
setType(Class.class);
}
public boolean isAliasableNode(){
return true;
}
}