org.jboss.ejb.plugins
Class MetricsInterceptor

java.lang.Object
  org.jboss.ejb.plugins.AbstractInterceptor
      org.jboss.ejb.plugins.MetricsInterceptor

All Implemented Interfaces:

AllowedOperationsFlags, ContainerPlugin, Interceptor, MetricsConstants, org.jboss.system.Service

public class MetricsInterceptor
extends AbstractInterceptor
implements MetricsConstants

MetricsInterceptor collects data from the bean invocation call and publishes them on a JMS topic (bound to topic/metrics in the name service).

Since:

jBoss 2.0

Author:

Juha Lindfors

Field Summary

Fields inherited from class org.jboss.ejb.plugins.AbstractInterceptor

container, log, nextInterceptor

Fields inherited from interface org.jboss.monitor.MetricsConstants

ACTIVITY, APPLICATION, BEAN, BEANCACHE_METRICS, CHECKPOINT, INVOCATION_METRICS, MEMORY_MONITOR, METHOD, PRIMARY_KEY, SYSTEM_METRICS, THREAD_MONITOR, TIME, TYPE

Fields inherited from interface org.jboss.ejb.AllowedOperationsFlags

IN_AFTER_BEGIN, IN_AFTER_COMPLETION, IN_BEFORE_COMPLETION, IN_BUSINESS_METHOD, IN_EJB_ACTIVATE, IN_EJB_CREATE, IN_EJB_FIND, IN_EJB_HOME, IN_EJB_LOAD, IN_EJB_PASSIVATE, IN_EJB_POST_CREATE, IN_EJB_REMOVE, IN_EJB_STORE, IN_EJB_TIMEOUT, IN_INTERCEPTOR_METHOD, IN_SERVICE_ENDPOINT_METHOD, IN_SET_ENTITY_CONTEXT, IN_SET_MESSAGE_DRIVEN_CONTEXT, IN_SET_SESSION_CONTEXT, IN_UNSET_ENTITY_CONTEXT, NOT_ALLOWED

Constructor Summary

MetricsInterceptor()

Method Summary

void	create() Starts the JMS publisher thread.
void	destroy() Kills the publisher thread.
Object	invoke(Invocation mi) ???
Object	invokeHome(Invocation mi) ???
void	resetStatistic()
Map	retrieveStatistic()
void	sample(Object s)
void	setContainer(Container container) Stores the container reference and the application and bean JNDI names.

Methods inherited from class org.jboss.ejb.plugins.AbstractInterceptor

getContainer, getNext, setNext, start, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricsInterceptor

public MetricsInterceptor()

Method Detail

setContainer

public void setContainer(Container container)

Stores the container reference and the application and bean JNDI names.

Specified by:

setContainer in interface ContainerPlugin

Overrides:

setContainer in class AbstractInterceptor

Parameters:

container - set by the container initialization code

invokeHome

public Object invokeHome(Invocation mi)
                  throws Exception

Description copied from interface: Interceptor

???

Specified by:

invokeHome in interface Interceptor

Overrides:

invokeHome in class AbstractInterceptor

Parameters:

mi - ???

Returns:

???

Throws:

Exception - ???

invoke

public Object invoke(Invocation mi)
              throws Exception

Description copied from interface: Interceptor

???

Specified by:

invoke in interface Interceptor

Overrides:

invoke in class AbstractInterceptor

Parameters:

mi - ???

Returns:

???

Throws:

Exception - ???

create

public void create()

Starts the JMS publisher thread.

Specified by:

create in interface org.jboss.system.Service

Overrides:

create in class AbstractInterceptor

destroy

public void destroy()

Kills the publisher thread.

Specified by:

destroy in interface org.jboss.system.Service

Overrides:

destroy in class AbstractInterceptor

sample

public void sample(Object s)

retrieveStatistic

public Map retrieveStatistic()

resetStatistic

public void resetStatistic()