xxl-job惊艳的设计，怎能叫人不爱

public static ReturnT<String> runExecutor(TriggerParam triggerParam, String address){
    ReturnT<String> runResult = null;
    try {
        ExecutorBiz executorBiz = XxlJobScheduler.getExecutorBiz(address);
        //这里面做了很多异步处理，最终同步得到处理结果
        runResult = executorBiz.run(triggerParam);
    } catch (Exception e) {
        logger.error(">>>>>>>>>>> xxl-job trigger error, please check if the executor[{}] is running.", address, e);
        runResult = new ReturnT<String>(ReturnT.FAIL_CODE, ThrowableUtil.toString(e));
    }

    StringBuffer runResultSB = new StringBuffer(I18nUtil.getString("jobconf_trigger_run") + "：");
    runResultSB.append("
address：").append(address);
    runResultSB.append("
code：").append(runResult.getCode());
    runResultSB.append("
msg：").append(runResult.getMsg());

    runResult.setMsg(runResultSB.toString());
    return runResult;
}

//代理类中的触发调用
if (CallType.SYNC == callType) {
   // future-response set
   XxlRpcFutureResponse futureResponse = new XxlRpcFutureResponse(invokerFactory, xxlRpcRequest, null);
   try {
      // do invoke
      client.asyncSend(finalAddress, xxlRpcRequest);

      // future get
      XxlRpcResponse xxlRpcResponse = futureResponse.get(timeout, TimeUnit.MILLISECONDS);
      if (xxlRpcResponse.getErrorMsg() != null) {
         throw new XxlRpcException(xxlRpcResponse.getErrorMsg());
      }
      return xxlRpcResponse.getResult();
   } catch (Exception e) {
      logger.info(">>>>>>>>>>> xxl-rpc, invoke error, address:{}, XxlRpcRequest{}", finalAddress, xxlRpcRequest);

      throw (e instanceof XxlRpcException)?e:new XxlRpcException(e);
   } finally{
      // future-response remove
      futureResponse.removeInvokerFuture();
   }
} 

//返回结果，唤醒线程
public void setResponse(XxlRpcResponse response) {
   this.response = response;
   synchronized (lock) {
      done = true;
      lock.notifyAll();
   }
}

@Override
    public XxlRpcResponse get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
        if (!done) {
            synchronized (lock) {
                try {
                    if (timeout < 0) {
            //线程阻塞
                        lock.wait();
                    } else {
                        long timeoutMillis = (TimeUnit.MILLISECONDS==unit)?timeout:TimeUnit.MILLISECONDS.convert(timeout , unit);
                        lock.wait(timeoutMillis);
                    }
                } catch (InterruptedException e) {
                    throw e;
                }
            }
        }

        if (!done) {
            throw new XxlRpcException("xxl-rpc, request timeout at:"+ System.currentTimeMillis() +", request:" + request.toString());
        }
        return response;
    }

public void notifyInvokerFuture(String requestId, final XxlRpcResponse xxlRpcResponse){

    // 通过requestId找到XxlRpcFutureResponse，
    final XxlRpcFutureResponse futureResponse = futureResponsePool.get(requestId);
    if (futureResponse == null) {
        return;
    }
    if (futureResponse.getInvokeCallback()!=null) {

        // callback type
        try {
            executeResponseCallback(new Runnable() {
                @Override
                public void run() {
                    if (xxlRpcResponse.getErrorMsg() != null) {
                        futureResponse.getInvokeCallback().onFailure(new XxlRpcException(xxlRpcResponse.getErrorMsg()));
                    } else {
                        futureResponse.getInvokeCallback().onSuccess(xxlRpcResponse.getResult());
                    }
                }
            });
        }catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    } else {
        // 里面调用lock的notify方法
        futureResponse.setResponse(xxlRpcResponse);
    }

    // do remove
    futureResponsePool.remove(requestId);

}