net.sf.ehcache.hibernate.management.impl
Class NullHibernateStats

java.lang.Object
  net.sf.ehcache.hibernate.management.impl.NullHibernateStats

All Implemented Interfaces:

NotificationBroadcaster, NotificationEmitter, HibernateStats

public final class NullHibernateStats
extends Object
implements HibernateStats

Implementation of HibernateStats that does nothing

Author:

Abhishek Sanoujam

Field Summary

static HibernateStats

INSTANCE Singleton instance.

Fields inherited from interface net.sf.ehcache.hibernate.management.api.HibernateStats

CACHE_ENABLED, CACHE_FLUSHED, CACHE_REGION_CHANGED, CACHE_REGION_FLUSHED, CACHE_STATISTICS_ENABLED, CACHE_STATISTICS_RESET

Method Summary

void	addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
void	clearStats() Clears statistics, resets all counters to zero
void	disableStats() Disables statistics collection
void	enableStats() Enables statistics collection
TabularData	getCacheRegionStats() Returns TabularData of cache region stats
long	getCloseStatementCount() Returns the count of close statements
TabularData	getCollectionStats() Returns TabularData of collection stats
long	getConnectCount() Return connect counts
long	getDBSQLExecutionSample() Not supported right now
TabularData	getEntityStats() Returns TabularData of entity stats
long	getFlushCount() Returns flush count
MBeanNotificationInfo[]	getNotificationInfo()
long	getOptimisticFailureCount() Returns Optimistic failure count
long	getPrepareStatementCount() Returns prepare statement count
long	getQueryExecutionCount() Returns the query execution count.
double	getQueryExecutionRate() Returns rate of HQL query executed in the DB
long	getQueryExecutionSample() Returns last count sample of HQL's getting executed in the DB.
TabularData	getQueryStats() Returns TabularData of query stats
long	getSessionCloseCount() Returns session close count
long	getSessionOpenCount() Returns session open count
long	getSuccessfulTransactionCount() Returns successful transaction count
long	getTransactionCount() Returns transaction count
boolean	isStatisticsEnabled() Returns true if statistics collection is enabled otherwise false
void	removeNotificationListener(NotificationListener listener)
void	removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
void	setStatisticsEnabled(boolean flag) Enable/Disable statistics collection

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final HibernateStats INSTANCE

Singleton instance.

Method Detail

clearStats

public void clearStats()

Clears statistics, resets all counters to zero

Specified by:

clearStats in interface HibernateStats

See Also:

HibernateStats.clearStats()

disableStats

public void disableStats()

Disables statistics collection

Specified by:

disableStats in interface HibernateStats

See Also:

HibernateStats.disableStats()

enableStats

public void enableStats()

Enables statistics collection

Specified by:

enableStats in interface HibernateStats

See Also:

HibernateStats.enableStats()

getCloseStatementCount

public long getCloseStatementCount()

Returns the count of close statements

Specified by:

getCloseStatementCount in interface HibernateStats

Returns:

Returns the count of close statementss

See Also:

HibernateStats.getCloseStatementCount()

getCollectionStats

public TabularData getCollectionStats()

Returns TabularData of collection stats

Specified by:

getCollectionStats in interface HibernateStats

Returns:

Returns TabularData of collection stats

See Also:

HibernateStats.getCollectionStats()

getConnectCount

public long getConnectCount()

Return connect counts

Specified by:

getConnectCount in interface HibernateStats

Returns:

Return connect counts

See Also:

HibernateStats.getConnectCount()

getDBSQLExecutionSample

public long getDBSQLExecutionSample()

Not supported right now

getEntityStats

public TabularData getEntityStats()

Returns TabularData of entity stats

Specified by:

getEntityStats in interface HibernateStats

Returns:

Returns TabularData of entity stats

See Also:

HibernateStats.getEntityStats()

getFlushCount

public long getFlushCount()

Returns flush count

Specified by:

getFlushCount in interface HibernateStats

Returns:

Returns flush count

See Also:

HibernateStats.getFlushCount()

getOptimisticFailureCount

public long getOptimisticFailureCount()

Returns Optimistic failure count

Specified by:

getOptimisticFailureCount in interface HibernateStats

Returns:

Returns Optimistic failure count

See Also:

HibernateStats.getOptimisticFailureCount()

getPrepareStatementCount

public long getPrepareStatementCount()

Returns prepare statement count

Specified by:

getPrepareStatementCount in interface HibernateStats

Returns:

Returns prepare statement count

See Also:

HibernateStats.getPrepareStatementCount()

getQueryExecutionCount

public long getQueryExecutionCount()

Returns the query execution count. This includes only HQL's

Specified by:

getQueryExecutionCount in interface HibernateStats

Returns:

Returns the query execution count. This includes only HQL's

See Also:

HibernateStats.getQueryExecutionCount()

getQueryExecutionRate

public double getQueryExecutionRate()

Returns rate of HQL query executed in the DB

Specified by:

getQueryExecutionRate in interface HibernateStats

Returns:

Returns rate of HQL query executed in the DB

See Also:

HibernateStats.getQueryExecutionRate()

getQueryExecutionSample

public long getQueryExecutionSample()

Returns last count sample of HQL's getting executed in the DB.

Specified by:

getQueryExecutionSample in interface HibernateStats

Returns:

Returns last count sample of HQL's getting executed in the DB.

See Also:

HibernateStats.getQueryExecutionSample()

getQueryStats

public TabularData getQueryStats()

Returns TabularData of query stats

Specified by:

getQueryStats in interface HibernateStats

Returns:

Returns TabularData of query stats

See Also:

HibernateStats.getQueryStats()

getSessionCloseCount

public long getSessionCloseCount()

Returns session close count

Specified by:

getSessionCloseCount in interface HibernateStats

Returns:

Returns session close count

See Also:

HibernateStats.getSessionCloseCount()

getSessionOpenCount

public long getSessionOpenCount()

Returns session open count

Specified by:

getSessionOpenCount in interface HibernateStats

Returns:

Returns session open count

See Also:

HibernateStats.getSessionOpenCount()

getSuccessfulTransactionCount

public long getSuccessfulTransactionCount()

Returns successful transaction count

Specified by:

getSuccessfulTransactionCount in interface HibernateStats

Returns:

Returns successful transaction count

See Also:

HibernateStats.getSuccessfulTransactionCount()

getTransactionCount

public long getTransactionCount()

Returns transaction count

Specified by:

getTransactionCount in interface HibernateStats

Returns:

Returns transaction count

See Also:

HibernateStats.getTransactionCount()

isStatisticsEnabled

public boolean isStatisticsEnabled()

Returns true if statistics collection is enabled otherwise false

Specified by:

isStatisticsEnabled in interface HibernateStats

Returns:

Returns true if statistics collection is enabled otherwise false

See Also:

HibernateStats.isStatisticsEnabled()

setStatisticsEnabled

public void setStatisticsEnabled(boolean flag)

Enable/Disable statistics collection

Specified by:

setStatisticsEnabled in interface HibernateStats

See Also:

HibernateStats.setStatisticsEnabled(boolean)

getCacheRegionStats

public TabularData getCacheRegionStats()

Description copied from interface: HibernateStats

Returns TabularData of cache region stats

Specified by:

getCacheRegionStats in interface HibernateStats

Returns:

Returns TabularData of cache region stats

See Also:

HibernateStats.getCacheRegionStats()

removeNotificationListener

public void removeNotificationListener(NotificationListener listener,
                                       NotificationFilter filter,
                                       Object handback)
                                throws ListenerNotFoundException

Specified by:

removeNotificationListener in interface NotificationEmitter

Throws:

ListenerNotFoundException

See Also:

NotificationEmitter.removeNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

addNotificationListener

public void addNotificationListener(NotificationListener listener,
                                    NotificationFilter filter,
                                    Object handback)
                             throws IllegalArgumentException

Specified by:

addNotificationListener in interface NotificationBroadcaster

Throws:

IllegalArgumentException

See Also:

NotificationBroadcaster.addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)

getNotificationInfo

public MBeanNotificationInfo[] getNotificationInfo()

Specified by:

getNotificationInfo in interface NotificationBroadcaster

See Also:

NotificationBroadcaster.getNotificationInfo()

removeNotificationListener

public void removeNotificationListener(NotificationListener listener)
                                throws ListenerNotFoundException

Specified by:

removeNotificationListener in interface NotificationBroadcaster

Throws:

ListenerNotFoundException

See Also:

NotificationBroadcaster.removeNotificationListener(javax.management.NotificationListener)