| /** |
| * 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.geronimo.transaction.manager; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import javax.transaction.xa.XAException; |
| import javax.transaction.xa.XAResource; |
| import javax.transaction.xa.Xid; |
| |
| import junit.framework.TestCase; |
| |
| /** |
| * This is just a unit test for recovery, depending on proper behavior of the log(s) it uses. |
| * |
| * @version $Rev$ $Date$ |
| * |
| * */ |
| public class RecoveryTest extends TestCase { |
| |
| MockLog mockLog = new MockLog(); |
| protected TransactionManagerImpl txManager; |
| private final String RM1 = "rm1"; |
| private final String RM2 = "rm2"; |
| private final String RM3 = "rm3"; |
| private int count = 0; |
| |
| @Override |
| protected void setUp() throws Exception { |
| txManager = createTransactionManager(); |
| } |
| |
| protected TransactionManagerImpl createTransactionManager() throws XAException, InterruptedException { |
| return new TransactionManagerImpl(1, new XidFactoryImpl("hi".getBytes()), mockLog); |
| } |
| |
| protected void prepareForReplay() throws Exception { |
| Thread.sleep(100); |
| txManager = createTransactionManager(); |
| } |
| |
| public void testCommittedRMToBeRecovered() throws Exception { |
| Xid[] xids = getXidArray(1); |
| // specifies an empty Xid array such that this XAResource has nothing |
| // to recover. This means that the presumed abort protocol has failed |
| // right after the commit of the RM and before the force-write of the |
| // committed log record. |
| MockXAResource xares1 = new MockXAResource(RM1); |
| MockTransactionInfo[] txInfos = makeTxInfos(xids); |
| addBranch(txInfos, xares1); |
| prepareLog(mockLog, txInfos); |
| prepareForReplay(); |
| Recovery recovery = txManager.recovery; |
| assertTrue(!recovery.hasRecoveryErrors()); |
| assertTrue(recovery.getExternalXids().isEmpty()); |
| assertTrue(!recovery.localRecoveryComplete()); |
| recovery.recoverResourceManager(xares1); |
| assertEquals(1, xares1.committed.size()); |
| assertTrue(recovery.localRecoveryComplete()); |
| |
| } |
| |
| public void test2ResOnlineAfterRecoveryStart() throws Exception { |
| Xid[] xids = getXidArray(3); |
| MockXAResource xares1 = new MockXAResource(RM1); |
| MockXAResource xares2 = new MockXAResource(RM2); |
| MockTransactionInfo[] txInfos = makeTxInfos(xids); |
| addBranch(txInfos, xares1); |
| addBranch(txInfos, xares2); |
| prepareLog(mockLog, txInfos); |
| prepareForReplay(); |
| Recovery recovery = txManager.recovery; |
| assertTrue(!recovery.hasRecoveryErrors()); |
| assertTrue(recovery.getExternalXids().isEmpty()); |
| assertTrue(!recovery.localRecoveryComplete()); |
| recovery.recoverResourceManager(xares1); |
| assertTrue(!recovery.localRecoveryComplete()); |
| assertEquals(3, xares1.committed.size()); |
| recovery.recoverResourceManager(xares2); |
| assertEquals(3, xares2.committed.size()); |
| assertTrue(txManager.recovery.localRecoveryComplete()); |
| |
| } |
| |
| public void testInvalidXid() throws Exception { |
| final Xid[] xids = new Xid[] { new Xid() { |
| @Override |
| public int getFormatId() { |
| return 0; |
| } |
| @Override |
| public byte[] getGlobalTransactionId() { |
| return null; |
| } |
| @Override |
| public byte[] getBranchQualifier() { |
| return new byte[0]; |
| } |
| } }; |
| final NamedXAResource xares = new NamedXAResource() { |
| @Override |
| public String getName() { |
| return RM1; |
| } |
| @Override |
| public void commit(Xid xid, boolean b) throws XAException { |
| } |
| @Override |
| public void end(Xid xid, int i) throws XAException { |
| } |
| @Override |
| public void forget(Xid xid) throws XAException { |
| } |
| @Override |
| public int getTransactionTimeout() throws XAException { |
| return 0; |
| } |
| @Override |
| public boolean isSameRM(XAResource xaResource) throws XAException { |
| return false; |
| } |
| @Override |
| public int prepare(Xid xid) throws XAException { |
| return 0; |
| } |
| @Override |
| public Xid[] recover(int i) throws XAException { |
| return xids; |
| } |
| @Override |
| public void rollback(Xid xid) throws XAException { |
| } |
| @Override |
| public boolean setTransactionTimeout(int i) throws XAException { |
| return false; |
| } |
| @Override |
| public void start(Xid xid, int i) throws XAException { |
| } |
| }; |
| prepareForReplay(); |
| Recovery recovery = txManager.recovery; |
| recovery.recoverResourceManager(xares); |
| } |
| |
| private void addBranch(MockTransactionInfo[] txInfos, MockXAResource xaRes) throws XAException { |
| for (int i = 0; i < txInfos.length; i++) { |
| MockTransactionInfo txInfo = txInfos[i]; |
| Xid xid = txManager.getXidFactory().createBranch(txInfo.globalXid, count++); |
| xaRes.start(xid, 0); |
| txInfo.branches.add(new TransactionBranchInfoImpl(xid, xaRes.getName())); |
| } |
| } |
| |
| private MockTransactionInfo[] makeTxInfos(Xid[] xids) { |
| MockTransactionInfo[] txInfos = new MockTransactionInfo[xids.length]; |
| for (int i = 0; i < xids.length; i++) { |
| Xid xid = xids[i]; |
| txInfos[i] = new MockTransactionInfo(xid, new ArrayList<TransactionBranchInfo>()); |
| } |
| return txInfos; |
| } |
| |
| public void test3ResOnlineAfterRecoveryStart() throws Exception { |
| Xid[] xids12 = getXidArray(3); |
| List xids12List = Arrays.asList(xids12); |
| Xid[] xids13 = getXidArray(3); |
| List xids13List = Arrays.asList(xids13); |
| Xid[] xids23 = getXidArray(3); |
| List xids23List = Arrays.asList(xids23); |
| ArrayList tmp = new ArrayList(); |
| tmp.addAll(xids12List); |
| tmp.addAll(xids13List); |
| Xid[] xids1 = (Xid[]) tmp.toArray(new Xid[6]); |
| tmp.clear(); |
| tmp.addAll(xids12List); |
| tmp.addAll(xids23List); |
| Xid[] xids2 = (Xid[]) tmp.toArray(new Xid[6]); |
| tmp.clear(); |
| tmp.addAll(xids13List); |
| tmp.addAll(xids23List); |
| Xid[] xids3 = (Xid[]) tmp.toArray(new Xid[6]); |
| |
| MockXAResource xares1 = new MockXAResource(RM1); |
| MockXAResource xares2 = new MockXAResource(RM2); |
| MockXAResource xares3 = new MockXAResource(RM3); |
| MockTransactionInfo[] txInfos12 = makeTxInfos(xids12); |
| addBranch(txInfos12, xares1); |
| addBranch(txInfos12, xares2); |
| prepareLog(mockLog, txInfos12); |
| MockTransactionInfo[] txInfos13 = makeTxInfos(xids13); |
| addBranch(txInfos13, xares1); |
| addBranch(txInfos13, xares3); |
| prepareLog(mockLog, txInfos13); |
| MockTransactionInfo[] txInfos23 = makeTxInfos(xids23); |
| addBranch(txInfos23, xares2); |
| addBranch(txInfos23, xares3); |
| prepareLog(mockLog, txInfos23); |
| prepareForReplay(); |
| Recovery recovery = txManager.recovery; |
| assertTrue(!recovery.hasRecoveryErrors()); |
| assertTrue(recovery.getExternalXids().isEmpty()); |
| assertEquals(9, recovery.localUnrecoveredCount()); |
| recovery.recoverResourceManager(xares1); |
| assertEquals(9, recovery.localUnrecoveredCount()); |
| assertEquals(6, xares1.committed.size()); |
| recovery.recoverResourceManager(xares2); |
| assertEquals(6, recovery.localUnrecoveredCount()); |
| assertEquals(6, xares2.committed.size()); |
| recovery.recoverResourceManager(xares3); |
| assertEquals(0, recovery.localUnrecoveredCount()); |
| assertEquals(6, xares3.committed.size()); |
| |
| } |
| |
| private void prepareLog(TransactionLog txLog, MockTransactionInfo[] txInfos) throws LogException { |
| for (int i = 0; i < txInfos.length; i++) { |
| MockTransactionInfo txInfo = txInfos[i]; |
| txLog.prepare(txInfo.globalXid, txInfo.branches); |
| } |
| } |
| |
| |
| private Xid[] getXidArray(int i) { |
| Xid[] xids = new Xid[i]; |
| for (int j = 0; j < xids.length; j++) { |
| xids[j] = txManager.getXidFactory().createXid(); |
| } |
| return xids; |
| } |
| |
| private static class MockXAResource implements NamedXAResource { |
| |
| private final String name; |
| private final List<Xid> xids = new ArrayList<Xid>(); |
| private final List<Xid> committed = new ArrayList<Xid>(); |
| private final List<Xid> rolledBack = new ArrayList<Xid>(); |
| |
| public MockXAResource(String name) { |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public void commit(Xid xid, boolean onePhase) throws XAException { |
| committed.add(xid); |
| } |
| |
| public void end(Xid xid, int flags) throws XAException { |
| } |
| |
| public void forget(Xid xid) throws XAException { |
| } |
| |
| public int getTransactionTimeout() throws XAException { |
| return 0; |
| } |
| |
| public boolean isSameRM(XAResource xaResource) throws XAException { |
| return false; |
| } |
| |
| public int prepare(Xid xid) throws XAException { |
| return 0; |
| } |
| |
| public Xid[] recover(int flag) throws XAException { |
| return xids.toArray(new Xid[xids.size()]); |
| } |
| |
| public void rollback(Xid xid) throws XAException { |
| rolledBack.add(xid); |
| } |
| |
| public boolean setTransactionTimeout(int seconds) throws XAException { |
| return false; |
| } |
| |
| public void start(Xid xid, int flags) throws XAException { |
| xids.add(xid); |
| } |
| |
| public List getCommitted() { |
| return committed; |
| } |
| |
| public List getRolledBack() { |
| return rolledBack; |
| } |
| |
| |
| } |
| |
| private static class MockTransactionInfo { |
| private Xid globalXid; |
| private List<TransactionBranchInfo> branches; |
| |
| public MockTransactionInfo(Xid globalXid, List<TransactionBranchInfo> branches) { |
| this.globalXid = globalXid; |
| this.branches = branches; |
| } |
| } |
| |
| } |