| /* |
| * TestInstanceCallbacks.java |
| * |
| * Created on October 12, 2006, 1:19 PM |
| * |
| * To change this template, choose Tools | Template Manager |
| * and open the template in the editor. |
| */ |
| |
| /* |
| * 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.kernel; |
| |
| |
| |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.kernel.common.apps.InstanceCallbacksTest; |
| import org.apache.openjpa.persistence.kernel.common.apps.RuntimeTest1; |
| |
| import junit.framework.AssertionFailedError; |
| |
| public class TestInstanceCallbacks extends BaseKernelTest { |
| |
| private static final int COMMIT = 0; |
| private static final int FLUSH = 1; |
| private static final int PRESTORE = 2; |
| |
| private OpenJPAEntityManager _pm = null; |
| private InstanceCallbacksTest _callbacks = null; |
| |
| public TestInstanceCallbacks(String name) { |
| super(name); |
| } |
| |
| /** |
| * Creates a new instance of TestInstanceCallbacks |
| */ |
| public TestInstanceCallbacks() { |
| } |
| |
| @Override |
| public void setUp() throws Exception { |
| deleteAll(InstanceCallbacksTest.class); |
| deleteAll(RuntimeTest1.class); |
| _pm = getPM(true, true); |
| startTx(_pm); |
| _callbacks = new InstanceCallbacksTest(); |
| _callbacks.setStringField("foo"); |
| _pm.persist(_callbacks); |
| Object id = _pm.getObjectId(_callbacks); |
| endTx(_pm); |
| endEm(_pm); |
| |
| // re-find with different PM |
| _pm = getPM(); |
| _callbacks = |
| (InstanceCallbacksTest) _pm.find(InstanceCallbacksTest.class, id); |
| } |
| |
| @Override |
| public void tearDown() throws Exception { |
| rollbackTx(_pm); |
| endEm(_pm); |
| super.tearDown(); |
| } |
| |
| public void testPostLoad() { |
| _callbacks.getStringField(); |
| assertTrue(_callbacks.postLoadCalled); |
| } |
| |
| public void testPreStore() { |
| preStoreTest(COMMIT); |
| } |
| |
| public void testPreStoreWithFlush() { |
| preStoreTest(FLUSH); |
| } |
| |
| public void testPreStoreWithPreStore() { |
| preStoreTest(PRESTORE); |
| } |
| |
| private void preStoreTest(int action) { |
| assertNoCallbacksInvoked(_callbacks); |
| // _pm.begin(); |
| startTx(_pm); |
| |
| _callbacks.setStringField("bar"); |
| Object oid = _pm.getObjectId(_callbacks); |
| if (action == COMMIT) { |
| _pm.flush(); |
| endTx(_pm); |
| } else if (action == FLUSH) |
| _pm.flush(); |
| else if (action == PRESTORE) |
| _pm.preFlush(); |
| assertTrue("prestore wasnt called", _callbacks.preStoreCalled); |
| if (action != COMMIT) { |
| // _pm.commit(); |
| if (action != FLUSH) |
| _pm.flush(); |
| endTx(_pm); |
| } |
| |
| OpenJPAEntityManager pm = getPM(); |
| InstanceCallbacksTest callbacks = (InstanceCallbacksTest) |
| pm.find(InstanceCallbacksTest.class, oid); |
| assertNoCallbacksInvoked(callbacks); |
| assertEquals("getonetoone strng is not jdoprestore", "jdoPreStore", |
| callbacks.getOneOne().getStringField()); |
| endEm(pm); |
| } |
| |
| public void testPreDelete() { |
| assertNoCallbacksInvoked(_callbacks); |
| startTx(_pm); |
| _pm.remove(_callbacks); |
| assertTrue(_callbacks.preDeleteCalled); |
| endTx(_pm); |
| } |
| |
| public void testPreDeleteRecursion() { |
| assertNoCallbacksInvoked(_callbacks); |
| startTx(_pm); |
| _callbacks.preDeleteCycle = 0; |
| _pm.remove(_callbacks); |
| assertEquals(1, _callbacks.preDeleteCycle); |
| endTx(_pm); |
| } |
| |
| public void testSetRelatedReferenceInPreStore() { |
| assertNull(_callbacks.getRelId()); |
| InstanceCallbacksTest callbacks2 = new InstanceCallbacksTest(); |
| callbacks2.setRelId(_pm.getObjectId(_callbacks)); |
| startTx(_pm); |
| _pm.persist(callbacks2); |
| _pm.flush(); |
| endTx(_pm); |
| assertEquals(8888, _callbacks.getIntField()); |
| try { |
| assertEquals(callbacks2, _callbacks.getRel()); |
| } catch (AssertionFailedError afe) { |
| bug(1162, afe, "Setting a related object reference in " |
| + "preStore fails"); |
| } |
| } |
| |
| public void testFlushCausesFlush() { |
| //### JDO2MIG : this is failing because we're consuming exceptions |
| // throws from callbacks; need to decide what to do with them |
| causeFlushTest(FLUSH); |
| } |
| |
| public void testPreStoreCausesFlush() { |
| //### JDO2MIG : this is failing because we're consuming exceptions |
| // throws from callbacks; need to decide what to do with them |
| causeFlushTest(PRESTORE); |
| } |
| |
| private void causeFlushTest(int action) { |
| startTx(_pm); |
| _callbacks.setStringField("sss"); |
| _callbacks.flushInPreStore = true; |
| try { |
| if (action == FLUSH) |
| _pm.flush(); |
| else |
| _pm.preFlush(); |
| |
| bug(1139, "Recursive flush allowed because exception swallowed"); |
| } catch (Exception je) { |
| } |
| rollbackTx(_pm); |
| } |
| |
| private void assertNoCallbacksInvoked(InstanceCallbacksTest pc) { |
| OpenJPAEntityManager pm = |
| (OpenJPAEntityManager) currentEntityManager(); |
| |
| assertFalse("Expected preDelete to not have been called for object ID " |
| + pm.getObjectId(pc), pc.preDeleteCalled); |
| assertFalse("Expected preClear to not have been called for object ID " |
| + pm.getObjectId(pc), pc.preClearCalled); |
| assertFalse("Expected preStore to not have been called for object ID " |
| + pm.getObjectId(pc), pc.preStoreCalled); |
| } |
| |
| /* |
| // no JPA equivalent |
| |
| public void testDetachAttach() |
| throws Exception { |
| OpenJPAEntityManager pm = getPM(); |
| DetachAttachEvent pc = (DetachAttachEvent) pm.find |
| (DetachAttachEvent.class,createDetachableId(4)); |
| DetachAttachEvent.EVENTS.clear(); |
| pc = (DetachAttachEvent) pm.detach(pc); |
| assertDetachEvents(new String[]{ "PRED4", "POSTD4" }); |
| endEm(pm,()); |
| |
| assertTrue(pm.isDetached(pc)); |
| |
| pm = getPM(); |
| startTx(pm,()); |
| //FIXME jthomas |
| |
| // pm.addInstanceLifecycleListener(new CreateLifecycleListener() { |
| // public void postCreate(InstanceLifecycleEvent ev) { |
| // fail("No post create necessary"); |
| // } |
| // }, null); |
| pm.persist(pc); |
| assertDetachEvents(new String[]{ "PREA4", "POSTA4" }); |
| endTx(pm,()); |
| endEm(pm,()); |
| } |
| |
| public void testDetachAttachRelations() { |
| OpenJPAEntityManager pm = getPM(); |
| startTx(pm,()); |
| DetachAttachEvent pc = (DetachAttachEvent) pm.find |
| (DetachAttachEvent.class,createDetachableId(2)); |
| pc.setOneOne((DetachAttachEvent) pm.find |
| (DetachAttachEvent.class,createDetachableId(4))); |
| endTx(pm,()); |
| DetachAttachEvent.EVENTS.clear(); |
| pc = (DetachAttachEvent) pm.detach(pc); |
| endEm(pm,()); |
| assertDetachEvents( |
| new String[]{ "PRED2", "PRED4", "POSTD2", "POSTD4" }); |
| |
| pm = getPM(); |
| startTx(pm,()); |
| pm.persist(pc); |
| assertDetachEvents( |
| new String[]{ "PREA2", "PREA4", "POSTA2", "POSTA4" }); |
| rollbackTx(pm,()); |
| endEm(pm,()); |
| } |
| |
| private void assertDetachEvents(String[] expected) { |
| Collection events = DetachAttachEvent.EVENTS; |
| if (expected.length != events.size()) { |
| StringBuffer buf = new StringBuffer(); |
| for (int i = 0; i < expected.length; i++) |
| buf.append(expected[i]).append(","); |
| buf.append("!="); |
| for (Iterator it = events.iterator(); it.hasNext();) |
| buf.append(it.next()).append(","); |
| fail("mismatch event count:" + buf); |
| } |
| String event; |
| for (int i = 0; i < expected.length; i++) { |
| if (!events.remove(expected[i])) |
| fail("Event not fired:" + expected[i]); |
| if (events.contains(expected[i])) |
| fail("Event fired twice:" + expected[i]); |
| } |
| if (!events.isEmpty()) |
| fail("Excess events fired:" + events); |
| DetachAttachEvent.EVENTS.clear(); |
| } |
| |
| private Object createDetachableId(int field) { |
| OpenJPAEntityManager pm = getPM(); |
| startTx(pm,()); |
| DetachAttachEvent pc = new DetachAttachEvent(); |
| pc.setIntField(field); |
| pm.persist(pc); |
| endTx(pm,()); |
| endEm(pm,()); |
| // return pm.getObjectId(pc); |
| return pc.getId(); |
| } |
| */ |
| } |