Package org.apache.flink.runtime.state

Interface KeyGroupPartitioner.ElementWriterFunction<T>

  • Type Parameters:
    T - type of the written elements.
    Enclosing class:
    KeyGroupPartitioner<T>
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
    @FunctionalInterface
public static interface KeyGroupPartitioner.ElementWriterFunction<T>
    This functional interface defines how one element is written to a DataOutputView.

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void writeElement​(T element, org.apache.flink.core.memory.DataOutputView dov)
      This method defines how to write a single element to the output.

    • Method Detail

      • writeElement

        void writeElement​(@Nonnull
                  T element,
                  @Nonnull
                  org.apache.flink.core.memory.DataOutputView dov)
           throws IOException
        This method defines how to write a single element to the output.
        Parameters:
        element - the element to be written.
        dov - the output view to write the element.
        Throws:
        IOException - on write-related problems.