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

Class WindowValueState<W>

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

  • Constructor Summary

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

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear(W window)
    Removes the value mapped under current key and the given window.
    void
    update(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.table.data.RowData
    value(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

    • WindowValueState

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

  • Method Details

    • clear

      public void clear(W window)
      Description copied from interface: WindowState
      Removes the value mapped under current key and the given window.
      Specified by:
      clear in interface WindowState<W>

    • value

      public org.apache.flink.table.data.RowData value(W window) throws IOException
      Returns the current value for the state under current key and the given window.
      Throws:
      IOException

    • update

      public void update(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