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.event;
018
019import java.lang.reflect.Method;
020
021import org.springframework.context.ApplicationListener;
022import org.springframework.context.event.EventListenerFactory;
023import org.springframework.core.Ordered;
024import org.springframework.core.annotation.AnnotatedElementUtils;
025
026/**
027 * {@link EventListenerFactory} implementation that handles {@link TransactionalEventListener}
028 * annotated methods.
029 *
030 * @author Stephane Nicoll
031 * @since 4.2
032 */
033public class TransactionalEventListenerFactory implements EventListenerFactory, Ordered {
034
035        private int order = 50;
036
037
038        public void setOrder(int order) {
039                this.order = order;
040        }
041
042        @Override
043        public int getOrder() {
044                return this.order;
045        }
046
047
048        @Override
049        public boolean supportsMethod(Method method) {
050                return AnnotatedElementUtils.hasAnnotation(method, TransactionalEventListener.class);
051        }
052
053        @Override
054        public ApplicationListener<?> createApplicationListener(String beanName, Class<?> type, Method method) {
055                return new ApplicationListenerMethodTransactionalAdapter(beanName, type, method);
056        }
057
058}