public class IdentityBolt extends BaseBasicBolt
| Constructor and Description | 
|---|
IdentityBolt(Fields fields)  | 
| Modifier and Type | Method and Description | 
|---|---|
void | 
declareOutputFields(OutputFieldsDeclarer declarer)
Declare the output schema for all the streams of this topology. 
 | 
void | 
execute(Tuple input,
       BasicOutputCollector collector)
Process the input tuple and optionally emit new tuples based on the input tuple. 
 | 
cleanup, preparegetComponentConfigurationclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitgetComponentConfigurationpublic IdentityBolt(Fields fields)
public void execute(Tuple input, BasicOutputCollector collector)
IBasicBoltProcess 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.
public void declareOutputFields(OutputFieldsDeclarer declarer)
IComponentDeclare 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 streamCopyright © 2022 The Apache Software Foundation. All rights reserved.