Package org.apache.flink.table.runtime.operators.window.async.tvf.state

Class WindowAsyncValueState<W>

java.lang.Object
org.apache.flink.table.runtime.operators.window.async.tvf.state.WindowAsyncValueState<W>
All Implemented Interfaces:
WindowAsyncState<W>
public class WindowAsyncValueState<W> extends Object implements WindowAsyncState<W>
A wrapper of ValueState which is easier to update based on window namespace.

  • Constructor Summary

    Constructors
    Constructor
    Description
    WindowAsyncValueState(org.apache.flink.runtime.state.v2.internal.InternalValueState<org.apache.flink.table.data.RowData,W,org.apache.flink.table.data.RowData> windowState)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    org.apache.flink.api.common.state.v2.StateFuture<Void>
    asyncClear(W window)
    Removes the value mapped under current key and the given window.
    org.apache.flink.api.common.state.v2.StateFuture<Void>
    asyncUpdate(W window, org.apache.flink.table.data.RowData value)
    Update the state with the given value under current key and the given window.
    org.apache.flink.api.common.state.v2.StateFuture<org.apache.flink.table.data.RowData>
    asyncValue(W window)
    Returns the current value for the state under current key and the given window.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • WindowAsyncValueState

      public WindowAsyncValueState(org.apache.flink.runtime.state.v2.internal.InternalValueState<org.apache.flink.table.data.RowData,W,org.apache.flink.table.data.RowData> windowState)

  • Method Details

    • asyncClear

      public org.apache.flink.api.common.state.v2.StateFuture<Void> asyncClear(W window)
      Description copied from interface: WindowAsyncState
      Removes the value mapped under current key and the given window.
      Specified by:
      asyncClear in interface WindowAsyncState<W>

    • asyncValue

      public org.apache.flink.api.common.state.v2.StateFuture<org.apache.flink.table.data.RowData> asyncValue(W window) throws IOException
      Returns the current value for the state under current key and the given window.
      Throws:
      IOException

    • asyncUpdate

      public org.apache.flink.api.common.state.v2.StateFuture<Void> asyncUpdate(W window, org.apache.flink.table.data.RowData value) throws IOException
      Update the state with the given value under current key and the given window.
      Parameters:
      window - the window namespace.
      value - the new value for the state.
      Throws:
      IOException