com.gemstone.gemfire.cache.query.CqStatistics Maven / Gradle / Ivy
/*
* Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you
* may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License. See accompanying
* LICENSE file.
*/
package com.gemstone.gemfire.cache.query;
/**
* This class provides methods to get statistical information about a registered Continuous Query (CQ)
* represented by the CqQuery object.
*
* @since 5.5
* @author Anil
*/
public interface CqStatistics {
/**
* Get number of Insert events qualified by this CQ.
* @return long number of inserts.
*/
public long numInserts();
/**
* Get number of Delete events qualified by this CQ.
* @return long number of deletes.
*/
public long numDeletes();
/**
* Get number of Update events qualified by this CQ.
* @return long number of updates.
*/
public long numUpdates();
/**
* Get total of all the events qualified by this CQ.
* @return long total number of events.
*/
public long numEvents();
}