zjcnb opened a new issue #13641:
URL: https://github.com/apache/shardingsphere/issues/13641
Hi community,
We think the existing code structure is not clear, and some code are
redundancy. For example, `MGRHeartbeatJob.class`, it has some variable need to
dynamic change, such as : `primaryDataSourceName` or
`disabledDataSourceNames`. But, it's not change. So we are plan to adjust
`shardingsphere-db-discovery-mgr` and `shardingsphere-db-discovery-core`.
task list:
- [ ] Init HeartbeatJob move to `shardingsphere-db-discovery-core`.
- [ ] Combine `updatePrimaryDataSource` method and `updateMemberState` into
`findPrimaryMemberDataSource` method, and post
`PrimaryMemberDataSourceChangeEvent` event
- [ ] DatabaseDiscoveryRule subscribe `PrimaryMemberDataSourceChangeEvent`
and sync `dataSourceRules`.
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