/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.collection;
import com.espertech.esper.client.EventBean;
/**
* A general-purpose collection interface for collections updated by view data.
* <p>
* Views post delta-data in terms of new data (insert stream) events and old data (remove stream) event that
* leave a window.
*/
public interface ViewUpdatedCollection {
/**
* Accepts view insert and remove stream.
*
* @param newData is the insert stream events or null if no data
* @param oldData is the remove stream events or null if no data
*/
public void update(EventBean[] newData, EventBean[] oldData);
/**
* De-allocate resources held by the collection.
*/
public void destroy();
public int getNumEventsInsertBuf();
}