| /* |
| * TestSavepointOrdering.java |
| * |
| * Created on October 16, 2006, 10:45 AM |
| * |
| * 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 java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| |
| |
| import org.apache.openjpa.persistence.kernel.common.apps.RuntimeTest1; |
| |
| import org.apache.openjpa.kernel.Broker; |
| import org.apache.openjpa.kernel.OpenJPASavepoint; |
| import org.apache.openjpa.kernel.SavepointManager; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.OpenJPAEntityManagerFactory; |
| |
| public class TestSavepointOrdering extends BaseKernelTest { |
| |
| private static final int USER = 1; |
| private static final int RELEASED = 2; |
| private static final int ROLLBACK = 4; |
| |
| static Map _assigned = new HashMap(); |
| |
| /** |
| * Creates a new instance of TestSavepointOrdering |
| */ |
| public TestSavepointOrdering(String name) { |
| super(name); |
| } |
| |
| public void setUp() { |
| deleteAll(RuntimeTest1.class); |
| _assigned.clear(); |
| } |
| |
| public void testCleanUpCommit() { |
| doCleanUpTest(true); |
| } |
| |
| public void testCleanUpRollback() { |
| doCleanUpTest(false); |
| } |
| |
| public void doCleanUpTest(boolean commit) { |
| Map props = new HashMap(); |
| props.put("openjpa.SavepointManager", |
| TrackingSavepointManager.class.getName()); |
| OpenJPAEntityManagerFactory pmf = getEmf(props); |
| OpenJPAEntityManager pm = pmf.createEntityManager(); |
| startTx(pm); |
| pm.setSavepoint("test"); |
| pm.setSavepoint("test2"); |
| if (commit) |
| endTx(pm); |
| else |
| rollbackTx(pm); |
| assertFlags("test", RELEASED, USER | ROLLBACK); |
| assertFlags("test2", RELEASED, USER | ROLLBACK); |
| endEm(pm); |
| } |
| |
| public void testOrderingWithRollback() { |
| doOrderingTest(true); |
| } |
| |
| public void testOrderingWithRelease() { |
| doOrderingTest(false); |
| } |
| |
| private void doOrderingTest(boolean rollback) { |
| Map props = new HashMap(); |
| props.put("openjpa.SavepointManager", |
| TrackingSavepointManager.class.getName()); |
| OpenJPAEntityManagerFactory pmf = getEmf(props); |
| OpenJPAEntityManager pm = pmf.createEntityManager(); |
| startTx(pm); |
| pm.setSavepoint("before"); |
| pm.setSavepoint("before2"); |
| pm.setSavepoint("test"); |
| pm.setSavepoint("test2"); |
| pm.setSavepoint("after"); |
| pm.setSavepoint("after2"); |
| if (rollback) |
| pm.rollbackToSavepoint("test2"); |
| else |
| pm.releaseSavepoint("test2"); |
| |
| assertFlags("before", 0, RELEASED | ROLLBACK); |
| assertFlags("before2", 0, RELEASED | ROLLBACK); |
| assertFlags("test", 0, RELEASED | ROLLBACK); |
| assertFlags("after", RELEASED, USER); |
| assertFlags("after2", RELEASED, USER); |
| |
| if (rollback) |
| assertFlags("test2", ROLLBACK, 0); |
| else |
| assertFlags("test2", RELEASED | USER, 0); |
| |
| pm.setSavepoint("after3"); |
| if (rollback) |
| pm.rollbackToSavepoint("test"); |
| else |
| pm.releaseSavepoint("test"); |
| |
| assertFlags("before", 0, RELEASED | ROLLBACK); |
| assertFlags("before2", 0, RELEASED | ROLLBACK); |
| if (rollback) |
| assertFlags("test", ROLLBACK, 0); |
| else |
| assertFlags("test", RELEASED | USER, 0); |
| assertFlags("after3", RELEASED, USER); |
| rollbackTx(pm); |
| endEm(pm); |
| } |
| |
| public void testDisallowFlush() { |
| Map props = new HashMap(); |
| props.put("openjpa.SavepointManager", |
| TrackingSavepointManager.class.getName() + "(AllowFlush=false)"); |
| OpenJPAEntityManagerFactory pmf = getEmf(props); |
| OpenJPAEntityManager pm = pmf.createEntityManager(); |
| startTx(pm); |
| pm.persist(new RuntimeTest1()); |
| pm.setSavepoint("a"); |
| try { |
| pm.flush(); |
| fail("should have failed."); |
| } catch (Exception e) { |
| } |
| rollbackTx(pm); |
| endEm(pm); |
| } |
| |
| public void testDisallowFlush2() { |
| Map props = new HashMap(); |
| props.put("openjpa.SavepointManager", |
| TrackingSavepointManager.class.getName() + "(AllowFlush=false)"); |
| OpenJPAEntityManagerFactory pmf = getEmf(props); |
| OpenJPAEntityManager pm = pmf.createEntityManager(); |
| |
| startTx(pm); |
| pm.persist(new RuntimeTest1()); |
| pm.flush(); |
| try { |
| pm.setSavepoint("a"); |
| fail("should have failed."); |
| } catch (Exception e) { |
| } |
| rollbackTx(pm); |
| endEm(pm); |
| } |
| |
| public void testAllowFlush() { |
| Map props = new HashMap(); |
| props.put("openjpa.SavepointManager", |
| TrackingSavepointManager.class.getName() + "(AllowFlush=true)"); |
| OpenJPAEntityManagerFactory pmf = getEmf(props); |
| OpenJPAEntityManager pm = pmf.createEntityManager(); |
| |
| startTx(pm); |
| pm.persist(new RuntimeTest1()); |
| pm.setSavepoint("a"); |
| try { |
| pm.flush(); |
| } catch (Exception e) { |
| fail("allows flush."); |
| } |
| rollbackTx(pm); |
| endEm(pm); |
| } |
| |
| public void testAllowFlush2() { |
| Map props = new HashMap(); |
| props.put("openjpa.SavepointManager", |
| TrackingSavepointManager.class.getName() + "(AllowFlush=true)"); |
| OpenJPAEntityManagerFactory pmf = getEmf(props); |
| OpenJPAEntityManager pm = pmf.createEntityManager(); |
| |
| startTx(pm); |
| pm.persist(new RuntimeTest1()); |
| pm.flush(); |
| try { |
| pm.setSavepoint("a"); |
| } catch (Exception e) { |
| fail("allows flush."); |
| } |
| rollbackTx(pm); |
| endEm(pm); |
| } |
| |
| private void assertFlags(String name, int flag, int noflag) { |
| TrackingSavepoint sp = (TrackingSavepoint) _assigned.get(name); |
| assertNotNull(sp); |
| assertEquals(sp.flags & flag, flag); |
| assertTrue((sp.flags & noflag) == 0); |
| } |
| |
| public static class TrackingSavepointManager implements SavepointManager { |
| |
| public boolean allowFlush = false; |
| |
| public boolean supportsIncrementalFlush() { |
| return allowFlush; |
| } |
| |
| public OpenJPASavepoint newSavepoint(String name, Broker broker) { |
| TrackingSavepoint sp = new TrackingSavepoint(broker, name); |
| _assigned.put(sp.getName(), sp); |
| return sp; |
| } |
| } |
| |
| private static class TrackingSavepoint extends OpenJPASavepoint { |
| |
| int flags = 0; |
| |
| public TrackingSavepoint(Broker broker, String name) { |
| super(broker, name, false); |
| } |
| |
| public Collection rollback(Collection previous) { |
| if ((flags & (ROLLBACK | RELEASED)) != 0) |
| fail("already used"); |
| flags |= ROLLBACK; |
| return super.rollback(previous); |
| } |
| |
| public void release(boolean user) { |
| if ((flags & (ROLLBACK | RELEASED)) != 0) |
| fail("already used"); |
| flags |= RELEASED; |
| if (user) { |
| if ((flags & USER) != 0) |
| fail("already released"); |
| flags |= USER; |
| } |
| |
| super.release(user); |
| } |
| } |
| } |