* For checkstyle

* Remove redundant suppression

* For checkstyle

* For checkstyle

* For checkstyle

* For checkstyle

* For checkstyle

* For checkstyle

* For checkstyle

* Add final for classes which not design for extension

* Rename return value to result

* Rename exception variable name

* Move conf.prop

* Update logback-test.xml

* For code inspection

* For code inspection

* For code inspection

* Fix checkstyle

* Refactor OrderedSPIRegistry

* Make field as local if possible

* Add @SuppressWarnings("unchecked")

* Remove redundant throws

* Remove assertEquals

* Add genertic type

* Refactor SchemaContextsBuilder.ruleConfigurations

* Refactor SchemaContextsBuilder.authentication

* Refactor SchemaContexts

* Refactor SchemaContextsBuilder

* Remove SchemaContextsBuilder.log

* Refactor Bootstrap.createSchemaContextsAware

* Refactor Bootstrap.createSchemaContextsAware

* Refactor MetaDataCallback

* Refactor OrchestrationSchemaContexts

* Refactor ProxyOrchestrationSchemaContexts.getAddedDataSources

* Refactor ProxyOrchestrationSchemaContexts.getAddedDataSources

* Rename SchemaContextsAware to SchemaContexts

* Rename Bootstrap.initSchemaContexts

* Refactor StandardSchemaContexts

* Refactor OrchestrationSchemaContexts

* Make consist with OrchestrationSchemaContexts & OrchestrationShardingSphereDataSource

* Make consist with OrchestrationSchemaContexts & OrchestrationShardingSphereDataSource

* Fix test case

* Rename FacadeConfiguration to ControlPanelConfiguration

* Fix compile error

* Rename OpenTracingTracer

* Refactor ControlPanelFacadeEngine

* Refactor ControlPanelFacadeEngine

* Avoid use Map.Entry in code

* Refactor MySQLServerInfo

* Add ProxySchemaContexts.getDataSourceSample

* For code style

* Refactor Bootstrap

* Update javadoc

* Update javadoc

* Refactor ConfigCenter

* Refactor ConfigCenter

* Use lombok on Callback

* Use lombok on Callback

* Update java doc for Callback

* Update java doc for Callback

* for checkstyle

* Fix checkstyle

* format code.

* format code.

* merger from master.

Co-authored-by: qiulu3 <Lucas209910>

* add unit test for sharding-transaction-xa-narayana-manager module.

* add apache license.

* Remove redundant suppression

* Make field as final as possible

* add test for bitronix.

* code refactor.

* add newline at end of file.