net.sf.ehcache.hibernate.management.impl.HibernateStatsImpl Maven / Gradle / Ivy
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/**
* Copyright Terracotta, Inc.
*
* 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.
*/
package net.sf.ehcache.hibernate.management.impl;
import java.util.ArrayList;
import java.util.List;
import javax.management.MBeanNotificationInfo;
import javax.management.NotCompliantMBeanException;
import javax.management.Notification;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.TabularData;
import net.sf.ehcache.hibernate.management.api.HibernateStats;
import org.hibernate.SessionFactory;
import org.hibernate.stat.Statistics;
/**
* Implementation of {@link HibernateStats}
*
*
*
* @author Abhishek Sanoujam
*
*/
public class HibernateStatsImpl extends BaseEmitterBean implements HibernateStats {
private static final double MILLIS_PER_SECOND = 1000;
private static final MBeanNotificationInfo NOTIFICATION_INFO;
private final SessionFactory sessionFactory;
static {
final String[] notifTypes = new String[] {};
final String name = Notification.class.getName();
final String description = "Hibernate Statistics Event";
NOTIFICATION_INFO = new MBeanNotificationInfo(notifTypes, name, description);
}
/**
* Constructor accepting the backing {@link SessionFactory}
*
* @param sessionFactory
* @throws NotCompliantMBeanException
*/
public HibernateStatsImpl(SessionFactory sessionFactory) throws NotCompliantMBeanException {
super(HibernateStats.class);
this.sessionFactory = sessionFactory;
}
/**
* @return statistics
*/
private Statistics getStatistics() {
return sessionFactory.getStatistics();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#clearStats()
*/
public void clearStats() {
getStatistics().clear();
sendNotification(CACHE_STATISTICS_RESET);
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#disableStats()
*/
public void disableStats() {
setStatisticsEnabled(false);
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#enableStats()
*/
public void enableStats() {
setStatisticsEnabled(true);
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getCloseStatementCount()
*/
public long getCloseStatementCount() {
return getStatistics().getCloseStatementCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getConnectCount()
*/
public long getConnectCount() {
return getStatistics().getConnectCount();
}
/**
* Not supported right now
*
*/
public long getDBSQLExecutionSample() {
throw new UnsupportedOperationException("Use getQueryExecutionCount() instead");
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getFlushCount()
*/
public long getFlushCount() {
return getStatistics().getFlushCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getOptimisticFailureCount()
*/
public long getOptimisticFailureCount() {
return getStatistics().getOptimisticFailureCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getPrepareStatementCount()
*/
public long getPrepareStatementCount() {
return getStatistics().getPrepareStatementCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getQueryExecutionCount()
*/
public long getQueryExecutionCount() {
return getStatistics().getQueryExecutionCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getQueryExecutionRate()
*/
public double getQueryExecutionRate() {
long startTime = getStatistics().getStartTime();
long now = System.currentTimeMillis();
double deltaSecs = (now - startTime) / MILLIS_PER_SECOND;
return getQueryExecutionCount() / deltaSecs;
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getQueryExecutionSample()
*/
public long getQueryExecutionSample() {
throw new UnsupportedOperationException("TODO: need to impl. rates for query execution");
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getSessionCloseCount()
*/
public long getSessionCloseCount() {
return getStatistics().getSessionCloseCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getSessionOpenCount()
*/
public long getSessionOpenCount() {
return getStatistics().getSessionOpenCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getSuccessfulTransactionCount()
*/
public long getSuccessfulTransactionCount() {
return getStatistics().getSuccessfulTransactionCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getTransactionCount()
*/
public long getTransactionCount() {
return getStatistics().getTransactionCount();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#isStatisticsEnabled()
*/
public boolean isStatisticsEnabled() {
return getStatistics().isStatisticsEnabled();
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#setStatisticsEnabled(boolean)
*/
public void setStatisticsEnabled(boolean flag) {
getStatistics().setStatisticsEnabled(flag);
sendNotification(CACHE_STATISTICS_ENABLED, flag);
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getEntityStats()
*/
public TabularData getEntityStats() {
List result = new ArrayList();
Statistics statistics = getStatistics();
for (String entity : statistics.getEntityNames()) {
EntityStats entityStats = new EntityStats(entity, statistics.getEntityStatistics(entity));
result.add(entityStats.toCompositeData());
}
TabularData td = EntityStats.newTabularDataInstance();
td.putAll(result.toArray(new CompositeData[result.size()]));
return td;
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getCollectionStats()
*/
public TabularData getCollectionStats() {
List result = new ArrayList();
Statistics statistics = getStatistics();
for (String roleName : statistics.getCollectionRoleNames()) {
CollectionStats collectionStats = new CollectionStats(roleName, statistics.getCollectionStatistics(roleName));
result.add(collectionStats.toCompositeData());
}
TabularData td = CollectionStats.newTabularDataInstance();
td.putAll(result.toArray(new CompositeData[result.size()]));
return td;
}
/**
* {@inheritDoc}
*
* @see net.sf.ehcache.hibernate.management.api.HibernateStats#getQueryStats()
*/
public TabularData getQueryStats() {
List result = new ArrayList();
Statistics statistics = getStatistics();
for (String query : statistics.getQueries()) {
QueryStats queryStats = new QueryStats(query, statistics.getQueryStatistics(query));
result.add(queryStats.toCompositeData());
}
TabularData td = QueryStats.newTabularDataInstance();
td.putAll(result.toArray(new CompositeData[result.size()]));
return td;
}
/**
* {@inheritDoc}
*/
public TabularData getCacheRegionStats() {
List list = new ArrayList();
Statistics statistics = getStatistics();
for (String region : statistics.getSecondLevelCacheRegionNames()) {
CacheRegionStats l2CacheStats = new CacheRegionStats(region, statistics.getSecondLevelCacheStatistics(region));
list.add(l2CacheStats.toCompositeData());
}
TabularData td = CacheRegionStats.newTabularDataInstance();
td.putAll(list.toArray(new CompositeData[list.size()]));
return td;
}
/**
* {@inheritDoc}
*/
@Override
protected void doDispose() {
// no-op
}
/**
* @see BaseEmitterBean#getNotificationInfo()
*/
@Override
public MBeanNotificationInfo[] getNotificationInfo() {
return new MBeanNotificationInfo[]{NOTIFICATION_INFO};
}
}