Class WindowsStateUpdater
java.lang.Object
org.apache.storm.trident.windowing.WindowsStateUpdater
- All Implemented Interfaces:
- Serializable,- Operation,- StateUpdater<WindowsState>
StateUpdater<WindowState> instance which removes successfully emitted triggers from store.- See Also:
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionvoidcleanup()When running in local mode, called when the local cluster is being shut down.voidprepare(Map<String, Object> conf, TridentOperationContext context) Called when the `Operation` is first initialized.voidupdateState(WindowsState state, List<TridentTuple> tuples, TridentCollector collector) 
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Constructor Details- 
WindowsStateUpdater
 
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Method Details- 
updateState- Specified by:
- updateStatein interface- StateUpdater<WindowsState>
 
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prepareDescription copied from interface:OperationCalled when the `Operation` is first initialized.- Specified by:
- preparein interface- Operation
- Parameters:
- conf- the Storm configuration map
- context- the operation context which provides information such as the number of partitions in the stream, and the current partition index. It also provides methods for registering operation-specific metrics.
- See Also:
 
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cleanuppublic void cleanup()Description copied from interface:OperationWhen running in local mode, called when the local cluster is being shut down.
 
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