Package org.apache.heron.api.grouping
Class GlobalStreamGrouping
- java.lang.Object
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- org.apache.heron.api.grouping.GlobalStreamGrouping
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- All Implemented Interfaces:
Serializable
,StreamGrouping
public class GlobalStreamGrouping extends Object implements StreamGrouping
This is the stream grouping strategy that all tuples are transmitted to a single instance of a bolt with the lowest task id.- See Also:
- Serialized Form
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Constructor Summary
Constructors Constructor Description GlobalStreamGrouping()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description org.apache.heron.api.generated.TopologyAPI.InputStream.Builder
buildStream(String componentName, String streamId)
Create an InputStream Builder object with the corresponding grouping logic.
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Method Detail
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buildStream
public org.apache.heron.api.generated.TopologyAPI.InputStream.Builder buildStream(String componentName, String streamId)
Description copied from interface:StreamGrouping
Create an InputStream Builder object with the corresponding grouping logic.- Specified by:
buildStream
in interfaceStreamGrouping
- Parameters:
componentName
- The parent component of this grouping logicstreamId
- The id of the input stream- Returns:
- An InputStream builder to be used by BoltDeclarer
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