Class Window
- java.lang.Object
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- org.apache.flink.table.runtime.operators.window.Window
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- All Implemented Interfaces:
Comparable<Window>
- Direct Known Subclasses:
CountWindow,GlobalWindow,TimeWindow
public abstract class Window extends Object implements Comparable<Window>
AWindowis a grouping of elements into finite buckets. Windows have a maximum timestamp which means that, at some point, all elements that go into one window will have arrived.Subclasses should implement
equals()andhashCode()so that logically same windows are treated the same.
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Constructor Summary
Constructors Constructor Description Window()
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description abstract booleanequals(Object obj)abstract inthashCode()abstract longmaxTimestamp()Gets the largest timestamp that still belongs to this window.-
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface java.lang.Comparable
compareTo
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