public static class SentenceWordCountTopology.WordCount extends BaseBasicBolt
Constructor and Description |
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WordCount() |
Modifier and Type | Method and Description |
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void |
declareOutputFields(OutputFieldsDeclarer declarer)
Declare the output schema for all the streams of this topology.
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void |
execute(Tuple tuple,
BasicOutputCollector collector)
Process the input tuple and optionally emit new tuples based on the input tuple.
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cleanup, prepare
getComponentConfiguration
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
getComponentConfiguration
public void execute(Tuple tuple, BasicOutputCollector collector)
IBasicBolt
All acking is managed for you. Throw a FailedException if you want to fail the tuple.
public void declareOutputFields(OutputFieldsDeclarer declarer)
IComponent
declarer
- this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream