Package org.apache.storm.starter
Class ReachTopology.CountAggregator
java.lang.Object
org.apache.storm.topology.base.BaseComponent
org.apache.storm.topology.base.BaseBatchBolt<Object>
org.apache.storm.starter.ReachTopology.CountAggregator
- All Implemented Interfaces:
Serializable
,IBatchBolt<Object>
,IComponent
- Enclosing class:
- ReachTopology
- See Also:
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
declareOutputFields
(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.void
void
void
prepare
(Map<String, Object> conf, TopologyContext context, BatchOutputCollector collector, Object id) Methods inherited from class org.apache.storm.topology.base.BaseComponent
getComponentConfiguration
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.storm.topology.IComponent
getComponentConfiguration
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Constructor Details
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CountAggregator
public CountAggregator()
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Method Details
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prepare
public void prepare(Map<String, Object> conf, TopologyContext context, BatchOutputCollector collector, Object id) -
execute
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finishBatch
public void finishBatch() -
declareOutputFields
Description copied from interface:IComponent
Declare the output schema for all the streams of this topology.- Parameters:
declarer
- this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream
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