org.hibernate.cache.ehcache.management.impl.NullHibernateStats Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.cache.ehcache.management.impl;
import javax.management.ListenerNotFoundException;
import javax.management.MBeanNotificationInfo;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.openmbean.TabularData;
import net.sf.ehcache.hibernate.management.api.HibernateStats;
/**
* Implementation of {@link HibernateStats} that does nothing
*
*
*
* @author Abhishek Sanoujam
*/
public final class NullHibernateStats implements HibernateStats {
/**
* Singleton instance.
*/
public static final HibernateStats INSTANCE = new NullHibernateStats();
/**
* private constructor. No need to create instances of this. Use singleton instance
*/
private NullHibernateStats() {
super();
// TODO Auto-generated constructor stub
}
/**
* {@inheritDoc}
*
* @see HibernateStats#clearStats()
*/
public void clearStats() {
// no-op
}
/**
* {@inheritDoc}
*
* @see HibernateStats#disableStats()
*/
public void disableStats() {
// no-op
}
/**
* {@inheritDoc}
*
* @see HibernateStats#enableStats()
*/
public void enableStats() {
// no-op
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getCloseStatementCount()
*/
public long getCloseStatementCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getCollectionStats()
*/
public TabularData getCollectionStats() {
// no-op
return null;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getConnectCount()
*/
public long getConnectCount() {
// no-op
return 0;
}
/**
* Not supported right now
*/
public long getDBSQLExecutionSample() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getEntityStats()
*/
public TabularData getEntityStats() {
// no-op
return null;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getFlushCount()
*/
public long getFlushCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getOptimisticFailureCount()
*/
public long getOptimisticFailureCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getPrepareStatementCount()
*/
public long getPrepareStatementCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryExecutionCount()
*/
public long getQueryExecutionCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryExecutionRate()
*/
public double getQueryExecutionRate() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryExecutionSample()
*/
public long getQueryExecutionSample() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryStats()
*/
public TabularData getQueryStats() {
// no-op
return null;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getSessionCloseCount()
*/
public long getSessionCloseCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getSessionOpenCount()
*/
public long getSessionOpenCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getSuccessfulTransactionCount()
*/
public long getSuccessfulTransactionCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getTransactionCount()
*/
public long getTransactionCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#isStatisticsEnabled()
*/
public boolean isStatisticsEnabled() {
// no-op
return false;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#setStatisticsEnabled(boolean)
*/
public void setStatisticsEnabled(boolean flag) {
// no-op
}
/**
* @see HibernateStats#getCacheRegionStats()
*/
public TabularData getCacheRegionStats() {
return null;
}
/**
* @see javax.management.NotificationEmitter#removeNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)
*/
public void removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
throws ListenerNotFoundException {
/**/
}
/**
* @see javax.management.NotificationBroadcaster#addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)
*/
public void addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
throws IllegalArgumentException {
/**/
}
/**
* @see javax.management.NotificationBroadcaster#getNotificationInfo()
*/
public MBeanNotificationInfo[] getNotificationInfo() {
return null;
}
/**
* @see javax.management.NotificationBroadcaster#removeNotificationListener(javax.management.NotificationListener)
*/
public void removeNotificationListener(NotificationListener listener) throws ListenerNotFoundException {
/**/
}
}