RabbitMQ RPC，每个请求(多线程)如何快速取到自己的返回值？

package com.zjf.spb.demo.controller;



import java.util.HashMap;

import java.util.Map;

import java.util.concurrent.locks.Condition;

import java.util.concurrent.locks.Lock;

import java.util.concurrent.locks.ReadWriteLock;

import java.util.concurrent.locks.ReentrantLock;

import java.util.concurrent.locks.ReentrantReadWriteLock;



import org.springframework.util.StringUtils;



public class Lockservice

{

    public static volatile Map<Integer, String> map = new HashMap<Integer, String>();

    

    public final static Lock lock = new ReentrantLock();

    

    public final static Condition canget = lock.newCondition();

    

    public final static ReadWriteLock lock2 = new ReentrantReadWriteLock();

    

    public static void setvalue(Integer id, String value)

    {

        try

        {

            lock.lock();

            

            map.put(id, value);

            

            canget.signalAll();

        }

        catch (Exception e)

        {

            e.printStackTrace();

        }

        finally

        {

            lock.unlock();

        }

    }

    

    public static String getValue(Integer id)

    {

        String vlaue = null;

        

        try

        {

            lock.lock();

            

            while (true)

            {

                vlaue = map.get(id);

                

                System.out.println("id=" + id + ", value=" + vlaue);

                

                if (StringUtils.isEmpty(vlaue))

                {

                    System.out.println("未获取到id=" + id + "的值，继续尝试获取");

                    

                    canget.await();

                }

                else

                {

                    System.out.println("获取到id=" + id + "的值，退出");

                    

                    break;

                }

            }

        }

        catch (Exception e)

        {

            e.printStackTrace();

        }

        finally

        {

            lock.unlock();

        }

        return vlaue;

    }

    

}