001/* 002 * Copyright 2002-2015 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.scheduling.annotation; 018 019import java.lang.annotation.Annotation; 020 021import org.springframework.beans.factory.config.BeanDefinition; 022import org.springframework.context.annotation.Bean; 023import org.springframework.context.annotation.Configuration; 024import org.springframework.context.annotation.Role; 025import org.springframework.core.annotation.AnnotationUtils; 026import org.springframework.scheduling.config.TaskManagementConfigUtils; 027import org.springframework.util.Assert; 028 029/** 030 * {@code @Configuration} class that registers the Spring infrastructure beans necessary 031 * to enable proxy-based asynchronous method execution. 032 * 033 * @author Chris Beams 034 * @author Stephane Nicoll 035 * @since 3.1 036 * @see EnableAsync 037 * @see AsyncConfigurationSelector 038 */ 039@Configuration 040@Role(BeanDefinition.ROLE_INFRASTRUCTURE) 041public class ProxyAsyncConfiguration extends AbstractAsyncConfiguration { 042 043 @Bean(name = TaskManagementConfigUtils.ASYNC_ANNOTATION_PROCESSOR_BEAN_NAME) 044 @Role(BeanDefinition.ROLE_INFRASTRUCTURE) 045 public AsyncAnnotationBeanPostProcessor asyncAdvisor() { 046 Assert.notNull(this.enableAsync, "@EnableAsync annotation metadata was not injected"); 047 AsyncAnnotationBeanPostProcessor bpp = new AsyncAnnotationBeanPostProcessor(); 048 Class<? extends Annotation> customAsyncAnnotation = this.enableAsync.getClass("annotation"); 049 if (customAsyncAnnotation != AnnotationUtils.getDefaultValue(EnableAsync.class, "annotation")) { 050 bpp.setAsyncAnnotationType(customAsyncAnnotation); 051 } 052 if (this.executor != null) { 053 bpp.setExecutor(this.executor); 054 } 055 if (this.exceptionHandler != null) { 056 bpp.setExceptionHandler(this.exceptionHandler); 057 } 058 bpp.setProxyTargetClass(this.enableAsync.getBoolean("proxyTargetClass")); 059 bpp.setOrder(this.enableAsync.<Integer>getNumber("order")); 060 return bpp; 061 } 062 063}