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.kernel.transaction;
016    
017    import java.util.LinkedHashSet;
018    import java.util.Set;
019    import java.util.concurrent.CopyOnWriteArraySet;
020    
021    /**
022     * @author Shuyang Zhou
023     */
024    public class TransactionLifecycleManager {
025    
026            public static void fireTransactionCommittedEvent(
027                    TransactionAttribute transactionAttribute,
028                    TransactionStatus transactionStatus) {
029    
030                    for (TransactionLifecycleListener transactionLifecycleListener :
031                                    _transactionLifecycleListeners) {
032    
033                            transactionLifecycleListener.committed(
034                                    transactionAttribute, transactionStatus);
035                    }
036            }
037    
038            public static void fireTransactionCreatedEvent(
039                    TransactionAttribute transactionAttribute,
040                    TransactionStatus transactionStatus) {
041    
042                    for (TransactionLifecycleListener transactionLifecycleListener :
043                                    _transactionLifecycleListeners) {
044    
045                            transactionLifecycleListener.created(
046                                    transactionAttribute, transactionStatus);
047                    }
048            }
049    
050            public static void fireTransactionRollbackedEvent(
051                    TransactionAttribute transactionAttribute,
052                    TransactionStatus transactionStatus, Throwable throwable) {
053    
054                    for (TransactionLifecycleListener transactionLifecycleListener :
055                                    _transactionLifecycleListeners) {
056    
057                            transactionLifecycleListener.rollbacked(
058                                    transactionAttribute, transactionStatus, throwable);
059                    }
060            }
061    
062            public static Set<TransactionLifecycleListener>
063                    getRegisteredTransactionLifecycleListeners() {
064    
065                    return new LinkedHashSet<>(_transactionLifecycleListeners);
066            }
067    
068            public static boolean register(
069                    TransactionLifecycleListener transactionLifecycleListener) {
070    
071                    return _transactionLifecycleListeners.add(transactionLifecycleListener);
072            }
073    
074            public static boolean unregister(
075                    TransactionLifecycleListener transactionLifecycleListener) {
076    
077                    return _transactionLifecycleListeners.remove(
078                            transactionLifecycleListener);
079            }
080    
081            private static final Set<TransactionLifecycleListener>
082                    _transactionLifecycleListeners = new CopyOnWriteArraySet<>();
083    
084    }