spring boot 执行Async任务 spring boot使用自定义的线程池执行Async任务

package com.chhliu.springboot.async.configuration; 
import org.springframework.boot.context.properties.ConfigurationProperties; 
@ConfigurationProperties(prefix = "spring.task.pool") // 该注解的locations已经被启用，现在只要是在环境中，都会优先加载 
public class TaskThreadPoolConfig { 
 private int corePoolSize; 
 private int maxPoolSize; 
 private int keepAliveSeconds; 
 private int queueCapacity; 
 …………省略getter,setter方法………… 
} 

package com.chhliu.springboot.async.pool; 
import java.util.concurrent.Executor; 
import java.util.concurrent.ThreadPoolExecutor; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.context.annotation.Bean; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.scheduling.annotation.EnableAsync; 
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; 
import com.chhliu.springboot.async.configuration.TaskThreadPoolConfig; 
@Configuration 
@EnableAsync 
public class TaskExecutePool { 
 @Autowired 
 private TaskThreadPoolConfig config; 
 @Bean 
 public Executor myTaskAsyncPool() { 
 ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); 
 executor.setCorePoolSize(config.getCorePoolSize()); 
 executor.setMaxPoolSize(config.getMaxPoolSize()); 
 executor.setQueueCapacity(config.getQueueCapacity()); 
 executor.setKeepAliveSeconds(config.getKeepAliveSeconds()); 
 executor.setThreadNamePrefix("MyExecutor-"); 
 // rejection-policy：当pool已经达到max size的时候，如何处理新任务 
 // CALLER_RUNS：不在新线程中执行任务，而是由调用者所在的线程来执行 
 executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); 
 executor.initialize(); 
 return executor; 
 } 
} 

package com.chhliu.springboot.async; 
import org.springframework.boot.SpringApplication; 
import org.springframework.boot.autoconfigure.SpringBootApplication; 
import org.springframework.boot.context.properties.EnableConfigurationProperties; 
import org.springframework.scheduling.annotation.EnableAsync; 
import com.chhliu.springboot.async.configuration.TaskThreadPoolConfig; 
@SpringBootApplication 
@EnableAsync 
@EnableConfigurationProperties({TaskThreadPoolConfig.class} ) // 开启配置属性支持 
public class SpringbootAsyncApplication { 
 public static void main(String[] args) { 
 SpringApplication.run(SpringbootAsyncApplication.class, args); 
 } 
} 

package com.chhliu.springboot.async.pool; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
import org.springframework.scheduling.annotation.Async; 
import org.springframework.stereotype.Component; 
@Component 
public class AsyncTask { 
 protected final Logger logger = LoggerFactory.getLogger(this.getClass()); 
 @Async("myTaskAsyncPool") //myTaskAsynPool即配置线程池的方法名，此处如果不写自定义线程池的方法名，会使用默认的线程池 
 public void doTask1(int i) throws InterruptedException{ 
 logger.info("Task"+i+" started."); 
 } 
} 

package com.chhliu.springboot.async; 
import java.util.concurrent.ExecutionException; 
import org.junit.Test; 
import org.junit.runner.RunWith; 
import org.slf4j.Logger; 
import org.slf4j.LoggerFactory; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.boot.test.context.SpringBootTest; 
import org.springframework.test.context.junit4.SpringRunner; 
import com.chhliu.springboot.async.pool.AsyncTask; 
@RunWith(SpringRunner.class) 
@SpringBootTest 
public class SpringbootAsyncApplicationTests { 
 protected final Logger logger = LoggerFactory.getLogger(this.getClass()); 
 @Autowired 
 private AsyncTask asyncTask; 
 @Test 
 public void AsyncTaskTest() throws InterruptedException, ExecutionException { 
 for (int i = 0; i < 100; i++) { 
  asyncTask.doTask1(i); 
 } 
 logger.info("All tasks finished."); 
 } 
} 

import java.lang.reflect.Method; 
import java.util.concurrent.Executor; 
import java.util.concurrent.ThreadPoolExecutor; 
import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.context.annotation.Configuration; 
import org.springframework.scheduling.annotation.AsyncConfigurer; 
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor; 
import com.chhliu.cq.emailservice.threadconfiguration.TaskThreadPoolConfig; 
import lombok.extern.slf4j.Slf4j; 
/** 
 * 注意：该线程池被所有的异步任务共享，而不属于某一个异步任务 
 * 描述：配置异步任务的线程池 
 * @author chhliu 
 * 创建时间：2017年5月22日 上午10:20:56 
 * @version 1.2.0 
 */ 
@Slf4j 
@Configuration 
public class AsyncTaskExecutePool implements AsyncConfigurer{ 
 @Autowired 
 private TaskThreadPoolConfig config; // 配置属性类，见上面的代码 
 @Override 
 public Executor getAsyncExecutor() { 
 ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); 
 executor.setCorePoolSize(config.getCorePoolSize()); 
 executor.setMaxPoolSize(config.getMaxPoolSize()); 
 executor.setQueueCapacity(config.getQueueCapacity()); 
 executor.setKeepAliveSeconds(config.getKeepAliveSeconds()); 
 executor.setThreadNamePrefix("taskExecutor-"); 
 // rejection-policy：当pool已经达到max size的时候，如何处理新任务 
 // CALLER_RUNS：不在新线程中执行任务，而是由调用者所在的线程来执行 
 executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy()); 
 executor.initialize(); 
 return executor; 
 } 
 @Override 
 public AsyncUncaughtExceptionHandler getAsyncUncaughtExceptionHandler() {// 异步任务中异常处理 
 return new AsyncUncaughtExceptionHandler() { 
  @Override 
  public void handleUncaughtException(Throwable arg0, Method arg1, Object... arg2) { 
  log.error("=========================="+arg0.getMessage()+"=======================", arg0); 
  log.error("exception method:"+arg1.getName()); 
  } 
 }; 
 } 
}