Tomoyuki MORITA

### Description * Refactor IndexDMLHandler and related classes to reduce the direct dependency to StateStore and abstract data store. ### Issues Resolved N/A ### Check List - [ ] New...

### Description Scaffold async-query-core module. More files will be moved from spark module so that we can build a library for async query functionality which is independent from data storage....

Add comments to async query handlers

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### Description Added comments to async query handlers to make the responsibility of each handler clearer. ### Issues Resolved N/A ### Check List - [x] New functionality includes testing. -...

### Description Introduce FlintIndexStateModelService to abstract the data storage. ### Issues Resolved N/A ### Check List - [ ] New functionality includes testing. - [ ] All tests pass, including...

### Description - backport #2677 (no change from original) - Not sure why auto backport failed. ### Issues Resolved n/a ### Check List - [ ] New functionality includes testing....

### Description - Remove unneeded datasourceName parameters from accessor interfaces ### Issues Resolved - redundant parameters ### Check List - [ ] New functionality includes testing. - [ ] All...

### Description - Refactor data models to be generic to data storage - Replaced OpenSearch specific attributes with generic metadata map - Replaced some constructor with builder (mainly for readability)...

### Description - Change JobExecutionResponseReader to an interface so that it can be replaced with another implementation. ### Issues Resolved n/a ### Check List - [x] New functionality includes testing....

This reverts commit de7b367ec21f1eeba5698893fc713e86f783bdfb. ### Description - Revert the deletion of Spark datasource since we haven't got agreement on the deletion of the datasource which is already available. ### Issues...

### Description - Provide a way to modify spark parameters - Add RequestContext so that upstream can provide context information to SparkExecutionEngineConfigSupplier. - SparkExecutionEngineConfigSupplier can use the context to customize...