Package org.apache.flink.table.runtime.operators.window.groupwindow.internal

Interface InternalWindowProcessFunction.Context<K,W extends Window>

Type Parameters:
W -
All Known Subinterfaces:
MergingWindowProcessFunction.MergingContext<K,W>
Enclosing class:
InternalWindowProcessFunction<K,W extends Window>
public static interface InternalWindowProcessFunction.Context<K,W extends Window>
Information available in an invocation of methods of InternalWindowProcessFunction.

  • Method Details

    • getPartitionedState

      <S extends org.apache.flink.api.common.state.State> S getPartitionedState(org.apache.flink.api.common.state.StateDescriptor<S,?> stateDescriptor) throws Exception
      Creates a partitioned state handle, using the state backend configured for this task.
      Throws:
      IllegalStateException - Thrown, if the key/value state was already initialized.
      Exception - Thrown, if the state backend cannot create the key/value state.

    • currentKey

      K currentKey()
      Returns:
      current key of current processed element.

    • currentProcessingTime

      long currentProcessingTime()
      Returns the current processing time.

    • currentWatermark

      long currentWatermark()
      Returns the current event-time watermark.

    • getShiftTimeZone

      ZoneId getShiftTimeZone()
      Returns the shifted timezone of the window.

    • getWindowAccumulators

      org.apache.flink.table.data.RowData getWindowAccumulators(W window) throws Exception
      Gets the accumulators of the given window.
      Throws:
      Exception

    • setWindowAccumulators

      void setWindowAccumulators(W window, org.apache.flink.table.data.RowData acc) throws Exception
      Sets the accumulators of the given window.
      Throws:
      Exception

    • clearWindowState

      void clearWindowState(W window) throws Exception
      Clear window state of the given window.
      Throws:
      Exception

    • clearPreviousState

      void clearPreviousState(W window) throws Exception
      Clear previous agg state (used for retraction) of the given window.
      Throws:
      Exception

    • clearTrigger

      void clearTrigger(W window) throws Exception
      Call Trigger.clear(Window)} on trigger.
      Throws:
      Exception

    • onMerge

      void onMerge(W newWindow, Collection<W> mergedWindows) throws Exception
      Call Trigger.onMerge(Window, Trigger.OnMergeContext) on trigger.
      Throws:
      Exception

    • deleteCleanupTimer

      void deleteCleanupTimer(W window) throws Exception
      Deletes the cleanup timer set for the contents of the provided window.
      Throws:
      Exception