org.deri.cqels.engine

Class TripleWindow

java.lang.Object

org.deri.cqels.engine.TripleWindow

All Implemented Interfaces:

Window

Direct Known Subclasses:

Now

public class TripleWindow
extends java.lang.Object
implements Window

This class implements the triple-based window

Author:

Danh Le Phuoc, Chan Le Van

Constructor Summary

Constructors

Constructor and Description
TripleWindow(long t)

Method Summary

Methods

Modifier and Type	Method and Description
Window	clone()
void	purge() This method will purify a number of expired elements in the window according to its characteristics (triple-based or time-based windows)
void	reportLatestTime(long t)
void	setBuff(Database db) each window has a buffer to store elements.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TripleWindow

public TripleWindow(long t)

Method Detail

setBuff

public void setBuff(Database db)

Description copied from interface: Window

each window has a buffer to store elements. This method sets it to current window

Specified by:

setBuff in interface Window

Parameters:

db - database-type buffer

purge

public void purge()

Description copied from interface: Window

This method will purify a number of expired elements in the window according to its characteristics (triple-based or time-based windows)

Specified by:

purge in interface Window

reportLatestTime

public void reportLatestTime(long t)

Specified by:

reportLatestTime in interface Window

clone

public Window clone()

Specified by:

clone in interface Window

Overrides:

clone in class java.lang.Object