Class IdentityBolt

All Implemented Interfaces:
Serializable, IBasicBolt, IComponent

public class IdentityBolt extends BaseBasicBolt
See Also:
  • Constructor Details

    • IdentityBolt

      public IdentityBolt(Fields fields)
  • Method Details

    • execute

      public void execute(Tuple input, BasicOutputCollector collector)
      Description copied from interface: IBasicBolt
      Process the input tuple and optionally emit new tuples based on the input tuple.

      All acking is managed for you. Throw a FailedException if you want to fail the tuple.

    • declareOutputFields

      public void declareOutputFields(OutputFieldsDeclarer declarer)
      Description copied from interface: IComponent
      Declare the output schema for all the streams of this topology.
      declarer - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream