/*
* 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.modules.util;
import org.apache.geode.StatisticDescriptor;
import org.apache.geode.Statistics;
import org.apache.geode.StatisticsFactory;
import org.apache.geode.StatisticsType;
import org.apache.geode.StatisticsTypeFactory;
import org.apache.geode.distributed.DistributedSystem;
import org.apache.geode.internal.statistics.StatisticsTypeFactoryImpl;
/**
* Statistics for modules.
*
*/
public class ModuleStatistics {
private static final StatisticsType type;
private static final int cacheHitsId;
private static final int cacheMissesId;
private static final int hibernateEntityDestroyJobsScheduledId;
static {
StatisticsTypeFactory f = StatisticsTypeFactoryImpl.singleton();
type = f.createType("pluginStats", "statistics for hibernate plugin and hibernate L2 cache",
new StatisticDescriptor[] {
f.createLongCounter("cacheHits", "number of times an entity was found in L2 cache",
"count"),
f.createLongCounter("cacheMisses",
"number of times an entity was NOT found in l2 cache", "count"),
f.createLongCounter("hibernateEntityDestroyJobsScheduled",
"number of entities scheduled for destroy because of version conflict with a remote member",
"jobs")});
cacheHitsId = type.nameToId("cacheHits");
cacheMissesId = type.nameToId("cacheMisses");
hibernateEntityDestroyJobsScheduledId = type.nameToId("hibernateEntityDestroyJobsScheduled");
}
private final Statistics stats;
private static ModuleStatistics instance;
private ModuleStatistics(StatisticsFactory factory) {
this.stats = factory.createAtomicStatistics(type, "PluginStatistics");
}
public static ModuleStatistics getInstance(DistributedSystem system) {
synchronized (ModuleStatistics.class) {
if (instance == null) {
instance = new ModuleStatistics(system);
}
}
return instance;
}
public void incCacheHit() {
stats.incLong(cacheHitsId, 1);
}
public long getCacheHits() {
return stats.getLong(cacheHitsId);
}
public void incCacheMiss() {
stats.incLong(cacheMissesId, 1);
}
public long getCacheMiss() {
return stats.getLong(cacheMissesId);
}
public void incHibernateDestroyJobsScheduled() {
stats.incLong(hibernateEntityDestroyJobsScheduledId, 1);
}
}