Package org.apache.flink.table.runtime.dataview

Class PerKeyStateDataViewStore

java.lang.Object
org.apache.flink.table.runtime.dataview.PerKeyStateDataViewStore
All Implemented Interfaces:
StateDataViewStore
@Internal public final class PerKeyStateDataViewStore extends Object implements StateDataViewStore
Default implementation of StateDataViewStore that currently forwards state registration to a RuntimeContext.

  • Constructor Summary

    Constructors
    Constructor
    Description
    PerKeyStateDataViewStore(org.apache.flink.api.common.functions.RuntimeContext ctx)
     
    PerKeyStateDataViewStore(org.apache.flink.api.common.functions.RuntimeContext ctx, org.apache.flink.api.common.state.StateTtlConfig stateTtlConfig)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.flink.api.common.functions.RuntimeContext
    getRuntimeContext()
     
    <N, EE> StateListView<N,EE>
    getStateListView(String stateName, org.apache.flink.api.common.typeutils.TypeSerializer<EE> elementSerializer)
    Creates a state list view.
    <N, EK, EV> StateMapView<N,EK,EV>
    getStateMapView(String stateName, boolean supportNullKey, org.apache.flink.api.common.typeutils.TypeSerializer<EK> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<EV> valueSerializer)
    Creates a state map view.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • PerKeyStateDataViewStore

      public PerKeyStateDataViewStore(org.apache.flink.api.common.functions.RuntimeContext ctx)

    • PerKeyStateDataViewStore

      public PerKeyStateDataViewStore(org.apache.flink.api.common.functions.RuntimeContext ctx, org.apache.flink.api.common.state.StateTtlConfig stateTtlConfig)

  • Method Details

    • getStateMapView

      public <N, EK, EV> StateMapView<N,EK,EV> getStateMapView(String stateName, boolean supportNullKey, org.apache.flink.api.common.typeutils.TypeSerializer<EK> keySerializer, org.apache.flink.api.common.typeutils.TypeSerializer<EV> valueSerializer)
      Description copied from interface: StateDataViewStore
      Creates a state map view.
      Specified by:
      getStateMapView in interface StateDataViewStore
      Type Parameters:
      N - Type of the namespace
      EK - External type of the keys in the map state
      EV - External type of the values in the map state
      Parameters:
      stateName - The name of underlying state of the map view
      supportNullKey - Whether the null key should be supported
      keySerializer - The key serializer
      valueSerializer - The value serializer
      Returns:
      a keyed map state

    • getStateListView

      public <N, EE> StateListView<N,EE> getStateListView(String stateName, org.apache.flink.api.common.typeutils.TypeSerializer<EE> elementSerializer)
      Description copied from interface: StateDataViewStore
      Creates a state list view.
      Specified by:
      getStateListView in interface StateDataViewStore
      Type Parameters:
      N - Type of the namespace
      EE - External type of the elements in the list state
      Parameters:
      stateName - The name of underlying state of the list view
      elementSerializer - The element serializer
      Returns:
      a keyed list state

    • getRuntimeContext

      public org.apache.flink.api.common.functions.RuntimeContext getRuntimeContext()
      Specified by:
      getRuntimeContext in interface StateDataViewStore