Package org.apache.flink.streaming.api.runners.python.beam.state

Class BeamKeyedStateStore

java.lang.Object
org.apache.flink.streaming.api.runners.python.beam.state.BeamKeyedStateStore
All Implemented Interfaces:
BeamStateStore
public class BeamKeyedStateStore extends Object implements BeamStateStore
A BeamStateStore that returns keyed states based on BeamFnApi.StateRequest.

  • Field Summary

    Fields inherited from interface org.apache.flink.streaming.api.runners.python.beam.state.BeamStateStore

    PYTHON_STATE_PREFIX

  • Constructor Summary

    Constructors
    Constructor
    Description
    BeamKeyedStateStore(org.apache.flink.runtime.state.KeyedStateBackend<?> keyedStateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<?> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<?> namespaceSerializer)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.flink.api.common.state.ListState<byte[]>
    getListState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request)
    Parse BeamFnApi.StateRequest and return the corresponding ListState.
    org.apache.flink.api.common.state.MapState<ByteArrayWrapper,byte[]>
    getMapState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request)
    Parse BeamFnApi.StateRequest and return the corresponding MapState.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • BeamKeyedStateStore

      public BeamKeyedStateStore(org.apache.flink.runtime.state.KeyedStateBackend<?> keyedStateBackend, org.apache.flink.api.common.typeutils.TypeSerializer<?> keySerializer, @Nullable org.apache.flink.api.common.typeutils.TypeSerializer<?> namespaceSerializer)

  • Method Details

    • getListState

      public org.apache.flink.api.common.state.ListState<byte[]> getListState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request) throws Exception
      Description copied from interface: BeamStateStore
      Parse BeamFnApi.StateRequest and return the corresponding ListState.
      Specified by:
      getListState in interface BeamStateStore
      Throws:
      Exception

    • getMapState

      public org.apache.flink.api.common.state.MapState<ByteArrayWrapper,byte[]> getMapState(org.apache.beam.model.fnexecution.v1.BeamFnApi.StateRequest request) throws Exception
      Description copied from interface: BeamStateStore
      Parse BeamFnApi.StateRequest and return the corresponding MapState.
      Specified by:
      getMapState in interface BeamStateStore
      Throws:
      Exception