Atitit 流水线子线程异常处理 1.1. 大概原理是 FutureTask排除异常 FutureTask.get can throw ExecutionException,can catc

Atitit 流水线子线程异常处理

1.1. 大概原理是 FutureTask排除异常 FutureTask.get   can throw ExecutionException,can catch this ex... 1

1.2. code 1

1.1. 大概原理是 FutureTaskt throw 异常 FutureTask.get   can throw ExecutionException,can catch this ex...

Throwable cause = e.getCause(); 

if(cause.getMessage().contains("sub task err"))

{

RunEx re=(RunEx) cause;

System.out.println(JSON.toJSONString( re.returnObj));

System.out.println();

}else

ExUtil.throwExV2(e);

 

 

1.2. code

package com.cnhis.cloudhealth.clinical.clidoctor.clisendadvice.bo;

import java.util.Map;

import java.util.concurrent.Callable;

import java.util.concurrent.ExecutionException;

import java.util.concurrent.FutureTask;

import com.alibaba.fastjson.JSON;

import com.cnhis.cloudhealth.commons.util.oplogutil.AsynUtil;

import com.cnhis.cloudhealth.util.ExUtil;

import com.cnhis.cloudhealth.util.RunEx;

import com.google.common.collect.Maps;

public class FuturetaskExTest {

public static void main(String[] args) {

// TODO Auto-generated method stub

FutureTask tsk= subtask();

System.out.println("--");

try {

tsk.get();

} catch (InterruptedException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (ExecutionException e) {

Throwable cause = e.getCause(); 

if(cause.getMessage().contains("sub task err"))

{

RunEx re=(RunEx) cause;

System.out.println(JSON.toJSONString( re.returnObj));

System.out.println();

}else

ExUtil.throwExV2(e);

}

//System.out.println("--");

}

public static FutureTask subtask() {

FutureTask<Object> FutureTask_updateCviBdj=new FutureTask( new Callable<Object>() {

  @Override

  public Object call()   { 

  System.out.println("--e in sub thread");

  

  if("a".equals("a"))

  {

  Map m=Maps.newConcurrentMap();m.put("k", "vv");

   throw new RunEx("sub task err",m);

   

  }

  return "err";

  }

  }) ;

  

   AsynUtil.execMeth_Ays( FutureTask_updateCviBdj,"");

return FutureTask_updateCviBdj;

}

}