Module org.snmp4j

Interface TreeListener

  • All Superinterfaces:
    java.util.EventListener

    public interface TreeListener
    extends java.util.EventListener
    The TreeListener interface is implemented by objects listening for tree events.
    Since:
    1.8
    Version:
    1.10
    Author:
    Frank Fock
    See Also:
    TreeUtils
    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      void finished​(TreeEvent event)
      Indicates in a series of tree events that no more events will follow.
      boolean isFinished()
      Indicates whether the tree walk is complete or not.
      boolean next​(TreeEvent event)
      Consumes the next table event, which is typically the next row in a table retrieval operation.
    • Method Detail

      • next

        boolean next​(TreeEvent event)
        Consumes the next table event, which is typically the next row in a table retrieval operation.
        Parameters:
        event - a TableEvent instance.
        Returns:
        true if this listener wants to receive more events, otherwise return false. For example, a TreeListener can return false to stop tree retrieval.
      • finished

        void finished​(TreeEvent event)
        Indicates in a series of tree events that no more events will follow.
        Parameters:
        event - a TreeEvent instance that will either indicate an error (RetrievalEvent.isError() returns true) or success of the tree retrieval operation.
      • isFinished

        boolean isFinished()
        Indicates whether the tree walk is complete or not.
        Returns:
        true if it is complete, false otherwise.
        Since:
        1.10