| /******************************************************************************* |
| * Copyright (c) 2006, 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 |
| * |
| ******************************************************************************/ |
| 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 <b>DELETE</b> query. |
| * |
| * @version 2.4 |
| * @since 2.3 |
| * @author Pascal Filion |
| * @author John Bracken |
| */ |
| final class DeleteQueryVisitor extends AbstractModifyAllQueryBuilder { |
| |
| /** |
| * Creates a new <code>DeleteQueryBuilder</code>. |
| * |
| * @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); |
| } |
| } |
| } |