CompleteFuture多线程处理分页记录

最新推荐文章于 2024-08-27 14:00:27 发布

衣小白、

最新推荐文章于 2024-08-27 14:00:27 发布

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文章标签：服务器 linux

本文链接：https://blog.youkuaiyun.com/qq_26675473/article/details/139769642

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	public Paginator<DepositRespVO> getDepositQuota(DepositReqVO depositReqVO) throws ExecutionException, InterruptedException {

		Page<DepositRespVO> page = new Page<>(depositReqVO.getPageNum(), depositReqVO.getPageSize());

		Page<DepositRespVO> depositRespVOPage = baseMapper.pageDeposit(page, depositReqVO);

		List<CompletableFuture<DepositRespVO>> futureList = new ArrayList<>();

		List<DepositRespVO> list = new ArrayList<>();
		List<DepositRespVO> records = depositRespVOPage.getRecords();
		if (CollectionUtil.isNotEmpty(records)) {

			for (DepositRespVO record : records) {
				CompletableFuture<DepositRespVO> future = CompletableFuture.supplyAsync(() -> cal(record), threadPoolTaskExecutor);
				futureList.add(future);
			}

			CompletableFuture<Void> futures = CompletableFuture.allOf(futureList.toArray(new CompletableFuture[0]));
			// 等待所有任务完成，并获取它们的结果
			try {
				futures.join();
			} catch (Exception e) {
				e.printStackTrace();
			}

			for (CompletableFuture<DepositRespVO> depositRespVOCompletableFuture : futureList) {
				DepositRespVO depositRespVO = depositRespVOCompletableFuture.get();
				list.add(depositRespVO);
			}

			depositRespVOPage.setRecords(list);
		}

		return Paginator.fromPage(depositRespVOPage);
	}

	private DepositRespVO cal(DepositRespVO record) {
		String contractCode = record.getContractCode();
		String companyAmount = record.getCompanyAmount(); //保证金
		String standardRate = record.getStandardRate(); // 标准比例
		record.setContractId(contractCode);

		// 计算金额
		String ralRate = "";
		String recommAmount = "";
		String contractAmount = "";

		if (StringUtils.isNotBlank(contractCode)) {
			ContractRespVO contractInfo = getContractInfo(contractCode);
			if (null != contractInfo) {
				// 合同金额
				contractAmount = StringUtils.isNotBlank(contractInfo.getContractamount()) ? contractInfo.getContractamount() : "";
				if (StringUtils.isNotBlank(companyAmount) && StringUtils.isNotBlank(contractAmount)) { // 交了保证金且有合同额
					BigDecimal rate = new BigDecimal(companyAmount).divide(new BigDecimal(contractAmount), 4, RoundingMode.HALF_UP);
					BigDecimal multiply = rate.multiply(new BigDecimal("100")).setScale(2, RoundingMode.HALF_UP);
					ralRate = multiply.toString();
					if (StringUtils.isNotBlank(standardRate) && multiply.compareTo(new BigDecimal(standardRate)) < 0) { // 实际保证金比例比标准低
						BigDecimal differRate = new BigDecimal(standardRate).subtract(multiply);
						BigDecimal recommAmountDiffer = differRate.multiply(new BigDecimal(contractAmount));
						BigDecimal divide = recommAmountDiffer.divide(new BigDecimal("100"), 2, RoundingMode.HALF_UP);

						recommAmount = divide.toString();
					}
				}
			}
		}

		record.setRalRate(StringUtils.isNotBlank(ralRate) ? ralRate : "-");
		record.setRecommAmount(StringUtils.isNotBlank(recommAmount) ? recommAmount : "-");
		record.setContractAmount(StringUtils.isNotBlank(contractAmount) ? contractAmount : "-");

		return record;
	}