/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You 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.
*/
package org.apache.geode.cache.query.internal.cq;
import org.apache.geode.cache.CacheFactory;
import org.apache.geode.cache.query.CqServiceStatistics;
import org.apache.geode.cache.query.CqQuery;
import org.apache.geode.cache.query.internal.DefaultQueryService;
import org.apache.geode.internal.cache.GemFireCacheImpl;
/**
* Provides statistical information about CqService.
*
* @since GemFire 5.5
*/
public class CqServiceStatisticsImpl implements CqServiceStatistics {
private CqServiceImpl cqService;
// private long activeCqs;
// private long stoppedCqs;
// private long closedCqs;
// private long createdCqs;
/**
* Constructor for CqStatisticsImpl
*
* @param cqs - CqService
*/
public CqServiceStatisticsImpl(CqServiceImpl cqs) {
cqService = cqs;
}
/**
* Returns the number of CQs currently executing
*/
public long numCqsActive() {
return this.cqService.getCqServiceVsdStats().getNumCqsActive();
}
/**
* Returns number of CQs created.
*
* @return long number of cqs created.
*/
public long numCqsCreated() {
return this.cqService.getCqServiceVsdStats().getNumCqsCreated();
}
/**
* Returns number of Cqs that are closed.
*/
public long numCqsClosed() {
return this.cqService.getCqServiceVsdStats().getNumCqsClosed();
}
/**
* Returns number of Cqs that are stopped.
*/
public long numCqsStopped() {
return this.cqService.getCqServiceVsdStats().getNumCqsStopped();
}
/**
* Returns number of CQs created from the client.
*/
public long numCqsOnClient() {
return this.cqService.getCqServiceVsdStats().getNumCqsOnClient();
}
/**
* Returns the number of CQs (active + suspended) on the given region.
*
* @param regionName
*/
public long numCqsOnRegion(String regionName) {
DefaultQueryService queryService =
(DefaultQueryService) ((GemFireCacheImpl) CacheFactory.getAnyInstance())
.getLocalQueryService();
try {
CqQuery[] cqs = queryService.getCqs(regionName);
if (cqs != null) {
return cqs.length;
}
} catch (Exception ex) {
// Dont do anything.
}
return 0;
}
}