Package org.apache.storm.trident.planner
Class SubtopologyBolt
java.lang.Object
org.apache.storm.trident.planner.SubtopologyBolt
- All Implemented Interfaces:
Serializable
,IComponent
,ITridentBatchBolt
A Bolt that does processing for a subsection of the complete graph.
- See Also:
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Nested Class Summary
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Constructor Summary
ConstructorDescriptionSubtopologyBolt
(org.apache.storm.shade.org.jgrapht.graph.DefaultDirectedGraph<Node, IndexedEdge> graph, Set<Node> nodes, Map<Node, String> batchGroups) -
Method Summary
Modifier and TypeMethodDescriptionvoid
cleanup()
void
declareOutputFields
(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.void
void
finishBatch
(BatchInfo batchInfo) Declare configuration specific to this component.initBatchState
(String batchGroup, Object batchId) void
prepare
(Map<String, Object> conf, TopologyContext context, BatchOutputCollector batchCollector)
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Constructor Details
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SubtopologyBolt
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Method Details
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prepare
public void prepare(Map<String, Object> conf, TopologyContext context, BatchOutputCollector batchCollector) - Specified by:
prepare
in interfaceITridentBatchBolt
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execute
- Specified by:
execute
in interfaceITridentBatchBolt
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finishBatch
- Specified by:
finishBatch
in interfaceITridentBatchBolt
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initBatchState
- Specified by:
initBatchState
in interfaceITridentBatchBolt
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cleanup
public void cleanup()- Specified by:
cleanup
in interfaceITridentBatchBolt
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declareOutputFields
Description copied from interface:IComponent
Declare the output schema for all the streams of this topology.- Specified by:
declareOutputFields
in interfaceIComponent
- 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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getComponentConfiguration
Description copied from interface:IComponent
Declare configuration specific to this component. Only a subset of the "topology.*" configs can be overridden. The component configuration can be further overridden when constructing the topology usingTopologyBuilder
- Specified by:
getComponentConfiguration
in interfaceIComponent
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