[jira] [Created] (FLINK-10387) StateBackend create methods should return interface not abstract KeyedStateBackend classes
Gyula Fora created FLINK-10387:
Summary: StateBackend create methods should return interface not abstract KeyedStateBackend classes
Issue Type: Improvement
Components: State Backends, Checkpointing
Affects Versions: 1.6.0
Reporter: Gyula Fora
Currently the createKeyedStateBackend(...) methods return AbstractKeyedStateBackend instead of an interface.
This makes it virtually impossible to write nice extensions to StateBackends that add additional functionality to existing backends while delegating other method calls.
It should be easy enough to add a new interface that extends everything that the AbstractKeyedStateBackend does and the method should return that.
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