/*
* Copyright 2010-2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.springsource.greenhouse.config;
import java.util.concurrent.Executor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.AdviceMode;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.AsyncConfigurer;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
/**
* Asynchronous task execution configuration.
* We apply compile-time AspectJ-advice to enable {@link Async} methods to run in separate threads.
* The Executor that carries out asynchrnous task execution is a {@link ThreadPoolTaskExecutor}.
* It is used to execute {@link Async} methods as well as handle asynchronous work initiated by Spring Integration.
* @author Keith Donald
*/
@Configuration
@EnableAsync(mode=AdviceMode.ASPECTJ)
public class TaskConfig implements AsyncConfigurer {
// implementing AsyncConfigurer
public Executor getAsyncExecutor() {
return taskExecutor();
}
/**
* The asynchronous task executor used by the Greenhouse application.
*/
@Bean
public Executor taskExecutor() {
return new ThreadPoolTaskExecutor();
}
}