保证金回写金额整体设计

具体策略

AbstractDepositWriteBackStrategy

+ handle+validate+initCalculator

PaymentDepositAmountCalculator

+ calculate

上下文

PaymentAPTakeBackDepositStrategy

+validate+initCalculator

具体计算器

ReverseDepositAmountCalculator

计算器抽象

自定义注解

DepositDTOBuilder

+ addContractId+addDepositAmount+addDepositColumnType

WriteBackStrategy

ContractDepositUtil

策略工厂

<<interface>>IDepositWriteBackStrategy

+ handle

Context

记录建造者

<<realize>>

DepositWriteBackStrategyFactory

- writeBackDepositStrategyList

+ getWriteBackStrategy

PaymentARDepositStrategy

PaymentARTakeBackDepositStrategy

<<interface>>IContractDepositCalculator

TakeBackDepositAmountCalculator

PaymentAPDepositStrategy

工具类

策略抽象