org.eclipse.persistence.internal.jpa.jpql.DeleteQueryVisitor 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) 2006, 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
//
package org.eclipse.persistence.internal.jpa.jpql;
import org.eclipse.persistence.jpa.jpql.parser.DeleteClause;
import org.eclipse.persistence.jpa.jpql.parser.DeleteStatement;
import org.eclipse.persistence.queries.DeleteAllQuery;
/**
* This builder is responsible to populate a {@link DeleteAllQuery} representing a DELETE query.
*
* @version 2.4
* @since 2.3
* @author Pascal Filion
* @author John Bracken
*/
final class DeleteQueryVisitor extends AbstractModifyAllQueryBuilder {
/**
* Creates a new DeleteQueryBuilder
.
*
* @param queryContext The context used to query information about the application metadata and
* cached information
* @param query The {@link DeleteAllQuery} to populate by using this visitor to visit the parsed
* tree representation of the JPQL query
*/
DeleteQueryVisitor(JPQLQueryContext queryContext, DeleteAllQuery query) {
super(queryContext, query);
}
/**
* {@inheritDoc}
*/
@Override
public void visit(DeleteClause expression) {
expression.getRangeVariableDeclaration().accept(this);
}
/**
* {@inheritDoc}
*/
@Override
public void visit(DeleteStatement expression) {
expression.getDeleteClause().accept(this);
if (expression.hasWhereClause()) {
expression.getWhereClause().accept(this);
}
}
}