标签：values als dir hash read === base tran wls
Map brmMap = new HashMap();
long beginTimeSum = System.currentTimeMillis();
for(StkInventoryWlTypeEnum emum:StkInventoryWlTypeEnum.values()){
long beginTime = System.currentTimeMillis();
Callable aCallable =()->{
if (OrgNumberEunm.FA_FJ.getOrgNumber().equals(stkInventoryWlDto.getOrg())) {
return stkInventoryWlServicemap.get(emum.getCode()).getStkInventoryWlFq(stkInventoryWlDto);
} else {
return stkInventoryWlServicemap.get(emum.getCode()).getStkInventoryWlHn(stkInventoryWlDto);
}
};
FutureTask aCallableTask = new FutureTask(aCallable);
new Thread(aCallableTask,emum.getName()+"|线程|"+emum.getCode()).start();
brmMap.put(emum.getName()+"["+emum.getCode()+"]",aCallableTask.get());//花时在等待（解决方案：Map callableTaskGetMap = new HashMap();，主线程走完后再取aCallableTask.get()）
long endTime = System.currentTimeMillis();
logger.info("花时："+emum.getName()+"["+emum.getCode()+"]"+((endTime-beginTime))+"ms");
}
long endTimeSum = System.currentTimeMillis();
logger.info("总合计-花时："+((endTimeSum-beginTimeSum))+"ms");
====================================================
花时：标准其他出库单-铝业[STK_MISDELIVERY]2727s
花时：采购入库单-铝业[STK_INSTOCK]1211s
花时：标准直接调拨单[STK_TRANSFERDIRECT]1224s
花时：即时库存[STK_INVENTORY]709s
总合计-花时：5872S
======================================================
花时：标准其他出库单-铝业[STK_MISDELIVERY]2002ms
花时： 采购入库单-铝业[STK_INSTOCK]886ms
花时：标准直接调拨单[STK_TRANSFERDIRECT]771ms
花时： 即时库存[STK_INVENTORY]715ms
总合计-花时：4378ms 总合计-花时：4279ms
====================================================
加一个callableTaskGetMap用来存数据，FutureTask键值：减少等待时间aCallableTask.get()
Map callableTaskGetMap = new HashMap();
====================================================
Map brmMap = new HashMap();
Map callableTaskGetMap = new HashMap();
long beginTimeSum = System.currentTimeMillis();
for(StkInventoryWlTypeEnum emum:StkInventoryWlTypeEnum.values()){
long beginTime = System.currentTimeMillis();
Callable aCallable =()->{
if (OrgNumberEunm.FA_FJ.getOrgNumber().equals(stkInventoryWlDto.getOrg())) {
return stkInventoryWlServicemap.get(emum.getCode()).getStkInventoryWlFq(stkInventoryWlDto);
} else {
return stkInventoryWlServicemap.get(emum.getCode()).getStkInventoryWlHn(stkInventoryWlDto);
}
};
FutureTask aCallableTask = new FutureTask(aCallable);
new Thread(aCallableTask,emum.getName()+"|线程|"+emum.getCode()).start();
callableTaskGetMap.put(emum.getCode(),aCallableTask);//
long endTime = System.currentTimeMillis();
logger.info("花时："+emum.getName()+"["+emum.getCode()+"]"+((endTime-beginTime))+"ms");
}
brmMap.put(StkInventoryWlTypeEnum.STK_MISDELIVERY.getName()+"["+StkInventoryWlTypeEnum.STK_MISDELIVERY.getCode()+"]",callableTaskGetMap.get(StkInventoryWlTypeEnum.STK_MISDELIVERY.getCode()).get());
brmMap.put(StkInventoryWlTypeEnum.STK_INSTOCK.getName()+"["+StkInventoryWlTypeEnum.STK_INSTOCK.getCode()+"]",callableTaskGetMap.get(StkInventoryWlTypeEnum.STK_INSTOCK.getCode()).get());
brmMap.put(StkInventoryWlTypeEnum.STK_TRANSFERDIRECT.getName()+"["+StkInventoryWlTypeEnum.STK_TRANSFERDIRECT.getCode()+"]",callableTaskGetMap.get(StkInventoryWlTypeEnum.STK_TRANSFERDIRECT.getCode()).get());
brmMap.put(StkInventoryWlTypeEnum.STK_INVENTORY.getName()+"["+StkInventoryWlTypeEnum.STK_INVENTORY.getCode()+"]",callableTaskGetMap.get(StkInventoryWlTypeEnum.STK_INVENTORY.getCode()).get());
long endTimeSum = System.currentTimeMillis();
logger.info("总合计-花时："+((endTimeSum-beginTimeSum))+"ms");
======================================================
多线程技术优化后数据：花时：大约时间少了效果提升一倍， 总合计-花时：2427ms
======================================================
多线程技术优化：Callable，FutureTask，Task.get()
标签：values als dir hash read === base tran wls
原文地址：https://www.cnblogs.com/gzhbk/p/14652309.html