001/*
002 * Copyright 2002-2018 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.transaction.annotation;
018
019import org.springframework.context.annotation.AdviceMode;
020import org.springframework.context.annotation.AdviceModeImportSelector;
021import org.springframework.context.annotation.AutoProxyRegistrar;
022import org.springframework.transaction.config.TransactionManagementConfigUtils;
023
024/**
025 * Selects which implementation of {@link AbstractTransactionManagementConfiguration}
026 * should be used based on the value of {@link EnableTransactionManagement#mode} on the
027 * importing {@code @Configuration} class.
028 *
029 * @author Chris Beams
030 * @since 3.1
031 * @see EnableTransactionManagement
032 * @see ProxyTransactionManagementConfiguration
033 * @see TransactionManagementConfigUtils#TRANSACTION_ASPECT_CONFIGURATION_CLASS_NAME
034 */
035public class TransactionManagementConfigurationSelector extends AdviceModeImportSelector<EnableTransactionManagement> {
036
037        /**
038         * Returns {@link ProxyTransactionManagementConfiguration} or
039         * {@code AspectJTransactionManagementConfiguration} for {@code PROXY}
040         * and {@code ASPECTJ} values of {@link EnableTransactionManagement#mode()},
041         * respectively.
042         */
043        @Override
044        protected String[] selectImports(AdviceMode adviceMode) {
045                switch (adviceMode) {
046                        case PROXY:
047                                return new String[] {AutoProxyRegistrar.class.getName(),
048                                                ProxyTransactionManagementConfiguration.class.getName()};
049                        case ASPECTJ:
050                                return new String[] {
051                                                TransactionManagementConfigUtils.TRANSACTION_ASPECT_CONFIGURATION_CLASS_NAME};
052                        default:
053                                return null;
054                }
055        }
056
057}