/***************************************************************** * 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.cayenne.access; import org.apache.cayenne.Cayenne; import org.apache.cayenne.di.Inject; import org.apache.cayenne.test.jdbc.TableHelper; import org.apache.cayenne.testdo.inheritance_people.Employee; import org.apache.cayenne.testdo.inheritance_people.PersonNotes; import org.apache.cayenne.unit.di.DataChannelInterceptor; import org.apache.cayenne.unit.di.UnitTestClosure; import org.apache.cayenne.unit.di.server.PeopleProjectCase; import org.junit.Before; import org.junit.Test; import java.sql.SQLException; import java.sql.Types; import static org.junit.Assert.assertTrue; public class DataContextRelationshipQuery_PolymorphicIT extends PeopleProjectCase { @Inject private DataContext context1; @Inject private DataContext context2; @Inject private DataChannelInterceptor queryInterceptor; private TableHelper tPerson; private TableHelper tPersonNotes; @Before public void before() { tPerson = new TableHelper(dbHelper, "PERSON").setColumns("PERSON_ID", "NAME", "PERSON_TYPE") .setColumnTypes(Types.INTEGER, Types.VARCHAR, Types.CHAR); tPersonNotes = new TableHelper(dbHelper, "PERSON_NOTES").setColumns("ID", "PERSON_ID", "NOTES"); } @Test public void testPolymorphicSharedCache() throws SQLException { // see CAY-2101... we are trying to get a snapshot from a new object in the shared cache, and then read this // object via a relationship, so that shared cache is consulted Employee e = context1.newObject(Employee.class); e.setName("E1"); e.setSalary(1234.01f); PersonNotes n = context1.newObject(PersonNotes.class); n.setNotes("N1"); n.setPerson(e); context1.commitChanges(); // use different context to ensure we hit shared cache for relationship resolving final PersonNotes nPeer = Cayenne.objectForPK(context2, PersonNotes.class, Cayenne.intPKForObject(n)); queryInterceptor.runWithQueriesBlocked(new UnitTestClosure() { @Override public void execute() { assertTrue(nPeer.getPerson() instanceof Employee); } }); } }