org.jboss.cache.interceptors
Class CacheMgmtInterceptor

java.lang.Object
  org.jboss.cache.commands.AbstractVisitor
      org.jboss.cache.interceptors.base.CommandInterceptor
          org.jboss.cache.interceptors.base.JmxStatsCommandInterceptor
              org.jboss.cache.interceptors.CacheMgmtInterceptor

All Implemented Interfaces:

Visitor, JmxStatisticsExposer

public class CacheMgmtInterceptor
extends JmxStatsCommandInterceptor

Captures cache management statistics

Version:

$Id: CacheMgmtInterceptor.java 7654 2009-02-05 13:00:20Z manik.surtani@jboss.com $

Author:

Jerry Gauthier

Field Summary

Fields inherited from class org.jboss.cache.interceptors.base.CommandInterceptor

configuration, log, trace

Constructor Summary

CacheMgmtInterceptor()

Method Summary

Map<String,Object>	dumpStatistics() Returns a map of statistics.
long	getAverageReadTime()
long	getAverageWriteTime()
long	getElapsedTime()
long	getEvictions()
double	getHitMissRatio()
long	getHits()
long	getMisses()
int	getNumberOfAttributes()
int	getNumberOfNodes()
double	getReadWriteRatio()
long	getStores()
long	getTimeSinceReset()
void	resetStatistics() Resets statistics gathered.
void	setDependencies(DataContainer dataContainer)
Object	visitEvictFqnCommand(InvocationContext ctx, EvictCommand command) Visits a EvictCommand.
Object	visitGetKeyValueCommand(InvocationContext ctx, GetKeyValueCommand command) Visits a GetKeyValueCommand.
Object	visitPutDataMapCommand(InvocationContext ctx, PutDataMapCommand command) Visits a PutDataMapCommand.
Object	visitPutForExternalReadCommand(InvocationContext ctx, PutForExternalReadCommand command) Visits a PutForExternalReadCommand.
Object	visitPutKeyValueCommand(InvocationContext ctx, PutKeyValueCommand command) Visits a PutKeyValueCommand.

Methods inherited from class org.jboss.cache.interceptors.base.JmxStatsCommandInterceptor

checkStatisticsUsed, getStatisticsEnabled, setStatisticsEnabled

Methods inherited from class org.jboss.cache.interceptors.base.CommandInterceptor

getNext, handleDefault, hasNext, invokeNextInterceptor, setNext

Methods inherited from class org.jboss.cache.commands.AbstractVisitor

visitClearDataCommand, visitCollection, visitCommitCommand, visitCreateNodeCommand, visitExistsNodeCommand, visitGetChildrenNamesCommand, visitGetDataMapCommand, visitGetKeysCommand, visitGetNodeCommand, visitGravitateDataCommand, visitInvalidateCommand, visitMoveCommand, visitOptimisticPrepareCommand, visitPrepareCommand, visitRemoveKeyCommand, visitRemoveNodeCommand, visitRollbackCommand

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheMgmtInterceptor

public CacheMgmtInterceptor()

Method Detail

setDependencies

public void setDependencies(DataContainer dataContainer)

visitEvictFqnCommand

public Object visitEvictFqnCommand(InvocationContext ctx,
                                   EvictCommand command)
                            throws Throwable

Description copied from interface: Visitor

Visits a EvictCommand.

Specified by:

visitEvictFqnCommand in interface Visitor

Overrides:

visitEvictFqnCommand in class AbstractVisitor

Parameters:

ctx - invocation context

command - command to visit

Returns:

response from the visit

Throws:

Throwable - in the event of problems.

visitGetKeyValueCommand

public Object visitGetKeyValueCommand(InvocationContext ctx,
                                      GetKeyValueCommand command)
                               throws Throwable

Description copied from interface: Visitor

Visits a GetKeyValueCommand.

Specified by:

visitGetKeyValueCommand in interface Visitor

Overrides:

visitGetKeyValueCommand in class AbstractVisitor

Parameters:

ctx - invocation context

command - command to visit

Returns:

response from the visit

Throws:

Throwable - in the event of problems.

visitPutDataMapCommand

public Object visitPutDataMapCommand(InvocationContext ctx,
                                     PutDataMapCommand command)
                              throws Throwable

Description copied from interface: Visitor

Visits a PutDataMapCommand.

Specified by:

visitPutDataMapCommand in interface Visitor

Overrides:

visitPutDataMapCommand in class AbstractVisitor

Parameters:

ctx - invocation context

command - command to visit

Returns:

response from the visit

Throws:

Throwable - in the event of problems.

visitPutForExternalReadCommand

public Object visitPutForExternalReadCommand(InvocationContext ctx,
                                             PutForExternalReadCommand command)
                                      throws Throwable

Description copied from interface: Visitor

Visits a PutForExternalReadCommand.

Specified by:

visitPutForExternalReadCommand in interface Visitor

Overrides:

visitPutForExternalReadCommand in class AbstractVisitor

Parameters:

ctx - invocation context

command - command to visit

Returns:

response from the visit

Throws:

Throwable - in the event of problems.

visitPutKeyValueCommand

public Object visitPutKeyValueCommand(InvocationContext ctx,
                                      PutKeyValueCommand command)
                               throws Throwable

Description copied from interface: Visitor

Visits a PutKeyValueCommand.

Specified by:

visitPutKeyValueCommand in interface Visitor

Overrides:

visitPutKeyValueCommand in class AbstractVisitor

Parameters:

ctx - invocation context

command - command to visit

Returns:

response from the visit

Throws:

Throwable - in the event of problems.

getHits

public long getHits()

getMisses

public long getMisses()

getStores

public long getStores()

getEvictions

public long getEvictions()

getHitMissRatio

public double getHitMissRatio()

getReadWriteRatio

public double getReadWriteRatio()

getAverageReadTime

public long getAverageReadTime()

getAverageWriteTime

public long getAverageWriteTime()

getNumberOfAttributes

public int getNumberOfAttributes()

getNumberOfNodes

public int getNumberOfNodes()

getElapsedTime

public long getElapsedTime()

getTimeSinceReset

public long getTimeSinceReset()

dumpStatistics

public Map<String,Object> dumpStatistics()

Description copied from class: JmxStatsCommandInterceptor

Returns a map of statistics. This is a default implementation which returns an empty map and should be overridden if it is to be meaningful.

Specified by:

dumpStatistics in interface JmxStatisticsExposer

Overrides:

dumpStatistics in class JmxStatsCommandInterceptor

Returns:

an empty map

resetStatistics

public void resetStatistics()

Description copied from class: JmxStatsCommandInterceptor

Resets statistics gathered. Is a no-op, and should be overridden if it is to be meaningful.

Specified by:

resetStatistics in interface JmxStatisticsExposer

Overrides:

resetStatistics in class JmxStatsCommandInterceptor