/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package org.apache.openjpa.persistence.jdbc.strategy; import org.apache.openjpa.jdbc.kernel.JDBCFetchConfiguration; import org.apache.openjpa.jdbc.kernel.JDBCStore; import org.apache.openjpa.jdbc.meta.strats.RelationFieldStrategy; import org.apache.openjpa.jdbc.sql.Select; import org.apache.openjpa.kernel.OpenJPAStateManager; public class InnerJoinStrategy extends RelationFieldStrategy { public void selectEagerJoin(Select sel, OpenJPAStateManager sm, JDBCStore store, JDBCFetchConfiguration fetch, int eagerMode) { // add field to inner join to make sure that "inner join" is made // rather than default "left outer join" fetch.addFetchInnerJoin(field.getFullName(false)); super.selectEagerJoin(sel, sm, store, fetch, eagerMode); } }