多线程调用指标

直接看代码：

 Java Code 

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List<ParamBean> paramBeanList = new LinkedList<>();
//第一个指标开始：风控报表1-主要市场指数变化
paramBeanList.add(new ParamBean(endDate, requestParams("RISKCONTROL_PRODUCT_INDEXQUOTE", endDate),  "RISKCONTROL_PRODUCT_INDEXQUOTE"));
//第二个指标开始:风控报表1-组合回撤止损检查
paramBeanList.add(new ParamBean(endDate, requestParams("RISKCONTROL_PRODUCT_RETRACEMENT", fundType, endDate),  "RISKCONTROL_PRODUCT_RETRACEMENT"));
//第三个指标开始:风控报表-亏损超过20%个股-->没有发布
paramBeanList.add(new ParamBean(endDate, requestParams("RISKCONTROL_PRODUCT_LOSSTHANTWENTY", fundType, endDate),  "RISKCONTROL_PRODUCT_LOSSTHANTWENTY"));
//第四个指标开始:风控报表-股票持仓及组合净资产
paramBeanList.add(new ParamBean(endDate, requestParams("RISKCONTROL_PRODUCT_REALPOSITION", fundType, endDate),  "RISKCONTROL_PRODUCT_REALPOSITION"));
Map<String, ParamBean> paramMap = new HashMap<>();
for (ParamBean paramBean : paramBeanList)
{
    paramMap.put(paramBean.getIndexName(), paramBean);
}

Map<String, Map<String, Object>> syncIndexCallback = syncIndexCallback(paramBeanList, paramMap);



/**
     * 开启多线程调用指标
     * @param paramBeanList
     * @param paramMap
     * @return
     */
private Map<String, Map<String, Object>> syncIndexCallback(List<ParamBean> paramBeanList, Map<String, ParamBean> paramMap)
{
    Map<String, Map<String, Object>> syncResultMap = new HashMap<>();
    int taskSize = 4;
    ExecutorService pool = Executors.newFixedThreadPool(taskSize);
    List<Future<Map<String, Map<String, Object>>>> futureList = new ArrayList<>();

    Callable<Map<String, Map<String, Object>>> call = null;
    // exe task
    for (String indicatorName : paramMap.keySet())
    {
        final ParamBean paramBean = paramMap.get(indicatorName);
        call = new Callable<Map<String, Map<String, Object>>>()
        {

            @Override
            public  Map<String, Map<String, Object>> call() throws Exception
            {
                Map<String, Object> callIndex = callIndex(paramBean.getDate(), paramBean.getRequestParam(), paramBean.getIndexName());
                Map<String, Map<String, Object>> resultMap = new HashMap<>();
                resultMap.put(paramBean.getIndexName(), callIndex);
                return resultMap;
            }
        };
        futureList.add(pool.submit(call));
    }


    for(int k = 0; k < paramBeanList.size(); k++)
    {
        Future<Map<String, Map<String, Object>>> future = futureList.get(k);
        try
        {
            Boolean flag = future.isDone();
            while ((null == flag) || !flag)
            {
                Thread.sleep(1000);
                flag = future.isDone();
            }
            if (null != future && future.isDone() && future.get() != null)
            {
                syncResultMap.putAll(future.get());
            }
        }
        catch (InterruptedException e)
        {
            e.printStackTrace();
        }
        catch (ExecutionException e)
        {
            e.printStackTrace();
        }
        future = null;
    }

    pool.shutdown();
    pool = null;// help GC
    futureList = null;
    return syncResultMap;
    //***multi thread over
}

class ParamBean
{
    private String date ;
    private String requestParam;
    private String indexName;


    public String getDate()
    {
        return date;
    }
    public void setDate(String date)
    {
        this.date = date;
    }
    public String getRequestParam()
    {
        return requestParam;
    }
    public void setRequestParam(String requestParam)
    {
        this.requestParam = requestParam;
    }
    public String getIndexName()
    {
        return indexName;
    }
    public void setIndexName(String indexName)
    {
        this.indexName = indexName;
    }

    public ParamBean()
    {
    }
    public ParamBean(String date, String requestParam, String indexName)
    {
        this.date = date;
        this.requestParam = requestParam;
        this.indexName = indexName;
    }
    @Override
    public String toString()
    {
        return "ParamBean [date=" + date + ", requestParam=" + requestParam + ", indexName=" + indexName + "]";
    }


}