com.espertech.esper.view.ext
Class IStreamSortRankRandomAccess

java.lang.Object
  com.espertech.esper.view.ext.IStreamSortRankRandomAccess

All Implemented Interfaces:

RandomAccessByIndex

public class IStreamSortRankRandomAccess
extends java.lang.Object
implements RandomAccessByIndex

Provides random access into a rank-window's data.

Constructor Summary

IStreamSortRankRandomAccess(RandomAccessByIndexObserver updateObserver)
Ctor.

Method Summary

EventBean	getNewData(int index) Returns an new data event given an index.
EventBean	getNewDataTail(int index)
EventBean	getOldData(int index) Returns an old data event given an index.
java.util.Collection<EventBean>	getWindowCollectionReadOnly()
int	getWindowCount()
java.util.Iterator<EventBean>	getWindowIterator()
void	refresh(java.util.TreeMap<java.lang.Object,java.lang.Object> sortedEvents, int currentSize, int maxSize) Refreshes the random access data with the updated information.

Methods inherited from class java.lang.Object

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

Constructor Detail

IStreamSortRankRandomAccess

public IStreamSortRankRandomAccess(RandomAccessByIndexObserver updateObserver)

Ctor.

Parameters:

updateObserver - for indicating updates to

Method Detail

refresh

public void refresh(java.util.TreeMap<java.lang.Object,java.lang.Object> sortedEvents,
                    int currentSize,
                    int maxSize)

Refreshes the random access data with the updated information.

Parameters:

sortedEvents - is the sorted window contents

currentSize - is the current size of the window

maxSize - is the maximum size of the window

getNewData

public EventBean getNewData(int index)

Description copied from interface: RandomAccessByIndex

Returns an new data event given an index.

Specified by:

getNewData in interface RandomAccessByIndex

Parameters:

index - to return new data for

Returns:

new data event

getOldData

public EventBean getOldData(int index)

Description copied from interface: RandomAccessByIndex

Returns an old data event given an index.

Specified by:

getOldData in interface RandomAccessByIndex

Parameters:

index - to return old data for

Returns:

old data event

getNewDataTail

public EventBean getNewDataTail(int index)

Specified by:

getNewDataTail in interface RandomAccessByIndex

getWindowIterator

public java.util.Iterator<EventBean> getWindowIterator()

Specified by:

getWindowIterator in interface RandomAccessByIndex

getWindowCollectionReadOnly

public java.util.Collection<EventBean> getWindowCollectionReadOnly()

Specified by:

getWindowCollectionReadOnly in interface RandomAccessByIndex

getWindowCount

public int getWindowCount()

Specified by:

getWindowCount in interface RandomAccessByIndex