/*
***************************************************************************************
* 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.filter;
/**
* Marker interface for use with {@link FilterService}. Implementations serve as a filter match values when
* events match filters, and also serve to enter and remove a filter from the filter subscription set.
*/
public interface FilterHandle {
/**
* Returns the statement id.
*
* @return statement id
*/
public int getStatementId();
}