Class TrueFilter

    • Constructor Detail

      • TrueFilter

        public TrueFilter()
    • Method Detail

      • isKeep

        public boolean isKeep​(TridentTuple tuple)
        Description copied from interface: Filter
        Determines if a tuple should be filtered out of a stream.
        Specified by:
        isKeep in interface Filter
        Parameters:
        tuple - the tuple being evaluated
        Returns:
        `false` to drop the tuple, `true` to keep the tuple
      • prepare

        public void prepare​(Map<String,​Object> conf,
                            TridentOperationContext context)
        Description copied from interface: Operation
        Called when the `Operation` is first initialized.
        Specified by:
        prepare in interface Operation
        Parameters:
        conf - the Storm configuration map
        context - the operation context which provides information such as the number of partitions in the stream, and the current partition index. It also provides methods for registering operation-specific metrics.
        See Also:
        TridentOperationContext
      • cleanup

        public void cleanup()
        Description copied from interface: Operation
        When running in local mode, called when the local cluster is being shut down.
        Specified by:
        cleanup in interface Operation