org.hibernate.cache.ehcache.management.impl.NullHibernateStats Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
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()
*/
@Override
public void clearStats() {
// no-op
}
/**
* {@inheritDoc}
*
* @see HibernateStats#disableStats()
*/
@Override
public void disableStats() {
// no-op
}
/**
* {@inheritDoc}
*
* @see HibernateStats#enableStats()
*/
@Override
public void enableStats() {
// no-op
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getCloseStatementCount()
*/
@Override
public long getCloseStatementCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getCollectionStats()
*/
@Override
public TabularData getCollectionStats() {
// no-op
return null;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getConnectCount()
*/
@Override
public long getConnectCount() {
// no-op
return 0;
}
/**
* Not supported right now
* @return 0 always
*/
@SuppressWarnings("UnusedDeclaration")
public long getDBSQLExecutionSample() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getEntityStats()
*/
@Override
public TabularData getEntityStats() {
// no-op
return null;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getFlushCount()
*/
@Override
public long getFlushCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getOptimisticFailureCount()
*/
@Override
public long getOptimisticFailureCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getPrepareStatementCount()
*/
@Override
public long getPrepareStatementCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryExecutionCount()
*/
@Override
public long getQueryExecutionCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryExecutionRate()
*/
@Override
public double getQueryExecutionRate() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryExecutionSample()
*/
@Override
public long getQueryExecutionSample() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getQueryStats()
*/
@Override
public TabularData getQueryStats() {
// no-op
return null;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getSessionCloseCount()
*/
@Override
public long getSessionCloseCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getSessionOpenCount()
*/
@Override
public long getSessionOpenCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getSuccessfulTransactionCount()
*/
@Override
public long getSuccessfulTransactionCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#getTransactionCount()
*/
@Override
public long getTransactionCount() {
// no-op
return 0;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#isStatisticsEnabled()
*/
@Override
public boolean isStatisticsEnabled() {
// no-op
return false;
}
/**
* {@inheritDoc}
*
* @see HibernateStats#setStatisticsEnabled(boolean)
*/
@Override
public void setStatisticsEnabled(boolean flag) {
// no-op
}
/**
* {@inheritDoc}
* @see HibernateStats#getCacheRegionStats()
*/
@Override
public TabularData getCacheRegionStats() {
return null;
}
/**
* {@inheritDoc}
* @see javax.management.NotificationEmitter#removeNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)
*/
@Override
public void removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
throws ListenerNotFoundException {
/**/
}
/**
* {@inheritDoc}
* @see javax.management.NotificationBroadcaster#addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)
*/
@Override
public void addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
throws IllegalArgumentException {
/**/
}
/**
* {@inheritDoc}
* @see javax.management.NotificationBroadcaster#getNotificationInfo()
*/
@Override
public MBeanNotificationInfo[] getNotificationInfo() {
return null;
}
/**
* {@inheritDoc}
* @see javax.management.NotificationBroadcaster#removeNotificationListener(javax.management.NotificationListener)
*/
@Override
public void removeNotificationListener(NotificationListener listener) throws ListenerNotFoundException {
/**/
}
}