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.dao.jdbc.aop;
016    
017    import com.liferay.portal.kernel.dao.jdbc.aop.DynamicDataSourceTargetSource;
018    import com.liferay.portal.kernel.util.InfrastructureUtil;
019    import com.liferay.portal.spring.transaction.TransactionInterceptor;
020    
021    import org.aopalliance.intercept.MethodInterceptor;
022    
023    /**
024     * @author Shuyang Zhou
025     */
026    public class DynamicDataSourceAdviceFactoryUtil {
027    
028            public static MethodInterceptor createDynamicDataSourceAdvice(
029                    TransactionInterceptor transactionInterceptor) {
030    
031                    DynamicDataSourceTargetSource dynamicDataSourceTargetSource =
032                            InfrastructureUtil.getDynamicDataSourceTargetSource();
033    
034                    if (dynamicDataSourceTargetSource == null) {
035                            return transactionInterceptor;
036                    }
037    
038                    DynamicDataSourceAdvice dynamicDataSourceAdvice =
039                            new DynamicDataSourceAdvice();
040    
041                    dynamicDataSourceAdvice.setDynamicDataSourceTargetSource(
042                            dynamicDataSourceTargetSource);
043                    dynamicDataSourceAdvice.setNextMethodInterceptor(
044                            transactionInterceptor);
045                    dynamicDataSourceAdvice.setTransactionAttributeSource(
046                            transactionInterceptor.getTransactionAttributeSource());
047    
048                    return dynamicDataSourceAdvice;
049            }
050    
051    }