001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.spring.transaction;
016    
017    import com.liferay.portal.kernel.log.Log;
018    import com.liferay.portal.kernel.log.LogFactoryUtil;
019    import com.liferay.portal.kernel.transaction.TransactionLifecycleManager;
020    
021    import org.aopalliance.intercept.MethodInvocation;
022    
023    import org.springframework.transaction.PlatformTransactionManager;
024    
025    /**
026     * @author Michael C. Han
027     * @author Shuyang Zhou
028     */
029    public class DefaultTransactionExecutor
030            implements TransactionExecutor, TransactionHandler {
031    
032            @Override
033            public void commit(
034                    PlatformTransactionManager platformTransactionManager,
035                    TransactionAttributeAdapter transactionAttributeAdapter,
036                    TransactionStatusAdapter transactionStatusAdapter) {
037    
038                    Throwable throwable = null;
039    
040                    try {
041                            platformTransactionManager.commit(
042                                    transactionStatusAdapter.getTransactionStatus());
043                    }
044                    catch (RuntimeException re) {
045                            _log.error(
046                                    "Application exception overridden by commit exception", re);
047    
048                            throwable = re;
049    
050                            throw re;
051                    }
052                    catch (Error e) {
053                            _log.error("Application exception overridden by commit error", e);
054    
055                            throwable = e;
056    
057                            throw e;
058                    }
059                    finally {
060                            if (throwable != null) {
061                                    TransactionLifecycleManager.fireTransactionRollbackedEvent(
062                                            transactionAttributeAdapter, transactionStatusAdapter,
063                                            throwable);
064                            }
065                            else {
066                                    TransactionLifecycleManager.fireTransactionCommittedEvent(
067                                            transactionAttributeAdapter, transactionStatusAdapter);
068                            }
069                    }
070            }
071    
072            @Override
073            public Object execute(
074                            PlatformTransactionManager platformTransactionManager,
075                            TransactionAttributeAdapter transactionAttributeAdapter,
076                            MethodInvocation methodInvocation)
077                    throws Throwable {
078    
079                    TransactionStatusAdapter transactionStatusAdapter = start(
080                            platformTransactionManager, transactionAttributeAdapter);
081    
082                    Object returnValue = null;
083    
084                    try {
085                            returnValue = methodInvocation.proceed();
086                    }
087                    catch (Throwable throwable) {
088                            rollback(
089                                    platformTransactionManager, throwable,
090                                    transactionAttributeAdapter, transactionStatusAdapter);
091                    }
092    
093                    commit(
094                            platformTransactionManager, transactionAttributeAdapter,
095                            transactionStatusAdapter);
096    
097                    return returnValue;
098            }
099    
100            @Override
101            public void rollback(
102                            PlatformTransactionManager platformTransactionManager,
103                            Throwable throwable,
104                            TransactionAttributeAdapter transactionAttributeAdapter,
105                            TransactionStatusAdapter transactionStatusAdapter)
106                    throws Throwable {
107    
108                    if (transactionAttributeAdapter.rollbackOn(throwable)) {
109                            try {
110                                    platformTransactionManager.rollback(
111                                            transactionStatusAdapter.getTransactionStatus());
112                            }
113                            catch (RuntimeException re) {
114                                    re.addSuppressed(throwable);
115    
116                                    _log.error(
117                                            "Application exception overridden by rollback exception",
118                                            re);
119    
120                                    throw re;
121                            }
122                            catch (Error e) {
123                                    e.addSuppressed(throwable);
124    
125                                    _log.error(
126                                            "Application exception overridden by rollback error", e);
127    
128                                    throw e;
129                            }
130                            finally {
131                                    TransactionLifecycleManager.fireTransactionRollbackedEvent(
132                                            transactionAttributeAdapter, transactionStatusAdapter,
133                                            throwable);
134                            }
135                    }
136                    else {
137                            commit(
138                                    platformTransactionManager, transactionAttributeAdapter,
139                                    transactionStatusAdapter);
140                    }
141    
142                    throw throwable;
143            }
144    
145            @Override
146            public TransactionStatusAdapter start(
147                    PlatformTransactionManager platformTransactionManager,
148                    TransactionAttributeAdapter transactionAttributeAdapter) {
149    
150                    TransactionStatusAdapter transactionStatusAdapter =
151                            new TransactionStatusAdapter(
152                                    platformTransactionManager.getTransaction(
153                                            transactionAttributeAdapter));
154    
155                    TransactionLifecycleManager.fireTransactionCreatedEvent(
156                            transactionAttributeAdapter, transactionStatusAdapter);
157    
158                    return transactionStatusAdapter;
159            }
160    
161            private static final Log _log = LogFactoryUtil.getLog(
162                    DefaultTransactionExecutor.class);
163    
164    }