java 判断方法调用是否超时 设置方法调用的超时时间

/**

 * 

 */

package test.future;

 

import java.util.concurrent.Callable;

import java.util.concurrent.ExecutionException;

import java.util.concurrent.Executor;

import java.util.concurrent.Executors;

import java.util.concurrent.FutureTask;

import java.util.concurrent.TimeUnit;

import java.util.concurrent.TimeoutException;

 

 

/**

 * 作者：

 * 时间：

 * 说明：程序执行中，调用方法，方法的执行时间超时的测试

 */

public class MethodOver {

 

public static void main(String[] args) {

Executor executor=Executors.newSingleThreadExecutor();

FutureTask<String> future=new FutureTask<String>(new Callable<String>() {

public String call() throws Exception {

// TODO Auto-generated method stub

MethodOver m=new MethodOver();

return m.getValue();

}

});

executor.execute(future);

try{

String result=future.get(1, TimeUnit.SECONDS);

System.out.println(result);

}catch (InterruptedException e) {

// TODO: handle exception

   System.out.println("方法执行中断");

  // future.cancel(true);

}catch (ExecutionException e) {

 System.out.println("Excution异常");

// TODO: handle exception

future.cancel(true);

}catch (TimeoutException e) {

// TODO: handle exception

 System.out.println("方法执行时间超时");

//future.cancel(true);

}

System.out.println("sas");

}

public String getValue()

{

try{

Thread.sleep(500);

}catch (Exception e) {

 

e.printStackTrace();// TODO: handle exception

}

return "ssssssssssssssss";

}

}