Package org.apache.flink.table.runtime.operators.window

Class CountWindow

java.lang.Object

org.apache.flink.table.runtime.operators.window.Window

org.apache.flink.table.runtime.operators.window.CountWindow

All Implemented Interfaces:

Comparable<Window>

public class CountWindow
extends Window

A Window that represents a count window. For each count window, we will assign a unique id. Thus this CountWindow can act as namespace part in state. We can attach data to each different CountWindow.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CountWindow.Serializer	The serializer used to write the CountWindow type.

Constructor Summary

Constructors

Constructor	Description
CountWindow(long id)

Method Summary

Modifier and Type	Method	Description
int	compareTo(Window o)
boolean	equals(Object o)
long	getId()	Gets the id (0-based) of the window.
int	hashCode()
long	maxTimestamp()	Gets the largest timestamp that still belongs to this window.
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

CountWindow

public CountWindow(long id)

Method Details

getId

public long getId()

Gets the id (0-based) of the window.

maxTimestamp

public long maxTimestamp()

Description copied from class: Window

Gets the largest timestamp that still belongs to this window.

Specified by:

maxTimestamp in class Window

Returns:

The largest timestamp that still belongs to this window.

equals

public boolean equals(Object o)

Specified by:

equals in class Window

hashCode

public int hashCode()

Specified by:

hashCode in class Window

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(Window o)