Class BaseWindow<L,I>
java.lang.Object
org.apache.storm.streams.windowing.BaseWindow<L,I>
- All Implemented Interfaces:
Serializable,Window<L,I>
- Direct Known Subclasses:
SlidingWindows,TumblingWindows
- See Also:
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Field Summary
FieldsModifier and TypeFieldDescriptionprotected BaseWindowedBolt.Durationprotected Stringprotected String -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionbooleangetLag()The maximum time lag of the tuple timestamp in milliseconds.The name of the stream where late arriving tuples should be emitted.The name of the field in the tuple that contains the timestamp when the event occurred as a long value.inthashCode()Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.storm.streams.windowing.Window
getSlidingInterval, getWindowLength
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Field Details
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timestampField
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lateTupleStream
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lag
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Constructor Details
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BaseWindow
public BaseWindow()
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Method Details
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getTimestampField
Description copied from interface:WindowThe name of the field in the tuple that contains the timestamp when the event occurred as a long value. This is used of event-time based processing. If this config is set and the field is not present in the incoming tuple, anIllegalArgumentExceptionwill be thrown.- Specified by:
getTimestampFieldin interfaceWindow<L,I> - Returns:
- the timestamp field.
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getLateTupleStream
Description copied from interface:WindowThe name of the stream where late arriving tuples should be emitted. If this is not provided, the late tuples would be discarded.- Specified by:
getLateTupleStreamin interfaceWindow<L,I> - Returns:
- the name of the stream used to emit late tuples on
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getLag
Description copied from interface:WindowThe maximum time lag of the tuple timestamp in milliseconds. It means that the tuple timestamps cannot be out of order by more than this amount. -
equals
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hashCode
public int hashCode()
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