用缓存，你缓存的数据是不是还差点意思？

 

eg.1

原始代码

public String selectLevyInvoiceNameString_Cache(String merId) {

    List<MerchantLevyInvoiceTypeVO> merLevyInvoiceTypeList = CacheUtil.getCache("merLevyInvoiceTypeList" + merId,
            90,
            () -> merchantLevyInvoiceTypeDAO.selectList(merId));
    
    if (CollectionUtils.isEmpty(merLevyInvoiceTypeList)) {
        return "";
    }

    StringBuilder invoiceType = new StringBuilder();
    for (MerchantLevyInvoiceTypeVO item : merLevyInvoiceTypeList) {
        if (invoiceType.length() > 0) {
            invoiceType.append("/");
        }

        invoiceType.append(item.invoiceTypeName);

    }
    return invoiceType.toString();
}

 

重构后：

     public String selectLevyInvoiceNameString_Cache(String merId) {
        return CacheUtil.getCache("merLevyInvoiceTypeList" + merId,
                90,
                () ->
                {
                    List<MerchantLevyInvoiceTypeVO> merLevyInvoiceTypeList = merchantLevyInvoiceTypeDAO.selectList(merId);
                    if (CollectionUtils.isEmpty(merLevyInvoiceTypeList)) {
                        return "";
                    }

                    StringBuilder invoiceType = new StringBuilder();
                    for (MerchantLevyInvoiceTypeVO item : merLevyInvoiceTypeList) {
                        if (invoiceType.length() > 0) {
                            invoiceType.append("/");
                        }

                        invoiceType.append(item.invoiceTypeName);

                    }
                    return invoiceType.toString();
                });
    }

 

eg.2

原始代码：

Result<LevyFeeRateDto> feeRateDtoResult = LocalCacheUtil.getCache(cacheKey, () -> {
    Result<LevyFeeRateDto> levyFeeDtoResult = levyMerchantApi.queryLevyFeeRate(levyId);
    if (!levyFeeDtoResult.isSuccess() || levyFeeDtoResult.getResult() == null) {
        return null;
    }
    return levyFeeDtoResult;
});
if (feeRateDtoResult == null || !feeRateDtoResult.isSuccess()) {
    throw new RetryOrderException("校验费率错误");
}
LevyFeeRateDto feeRateDto = feeRateDtoResult.getResult();
if (feeRateDto.getFeeType()...

 

重构后：

LevyFeeRateDto feeRateDto = LocalCacheUtil.getCache(cacheKey, () -> {
    Result<LevyFeeRateDto> levyFeeDtoResult = levyMerchantApi.queryLevyFeeRate(levyId);
    if (!levyFeeDtoResult.isSuccess() || levyFeeDtoResult.getResult() == null) {
        return null;
    }
    return levyFeeDtoResult.getResult();
});
if (feeRateDto == null) {
    throw new RetryOrderException("校验费率错误");
}
if (feeRateDto.getFeeType()...

 

 

 

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