mawen

Fixes typo `rebbitmq` to `rabbitmq` in module `plugin-api`

Add TransactionFactory, Transaction test cases

4

Supplement the missing unit test cases for `TransactionFactory`, `Transaction`.

optimize mapper builder

1

Hi, I have found the `XMLMapperBuilder` contains two points can be optimized. First: use method instead of parent variable ```java private void cacheElement(XNode context) { ... Class

### Describe what this PR does / why we need it Fix Issue #3500 ### Does this pull request fix one issue? Fixes #3500 ### Describe how you did it...

## Issue Description Type: *enhancement* ### Describe what feature you want The class `ParamFlowSlot#entry` method contains repeat code to check `ParamFlowRule` exists. It is better to delete first check, because...