jrunx.instrument
Class InstrumentationService

jrunx.kernel.ServiceAdapter
  |
  +--jrunx.kernel.ServicePartition
        |
        +--jrunx.kernel.ConfigurableServicePartition
              |
              +--jrunx.instrument.InstrumentationService

All Implemented Interfaces:

ConfigurableServicePartitionMBean, InstrumentationServiceMBean, Instrumentor, javax.naming.Referenceable, java.io.Serializable, Service, ServiceMBean, ServicePartitionMBean

public class InstrumentationService

extends ConfigurableServicePartition

implements InstrumentationServiceMBean

See Also:

Serialized Form

Field Summary

protected static InstrumentationService	instrumentationService
protected java.util.List	instrumentors

Fields inherited from class jrunx.kernel.ServicePartition

sortedServices

Fields inherited from class jrunx.kernel.ServiceAdapter

DEFAULT_DEACTIVATED, DEFAULT_DOMAIN, DOMAIN_NAME_SEPARATOR, DOMAIN_NAME_SUFFIX, domainName, jndiBindable, LOGGER_CACHE_TIME, SCHEDULER_SERVICE, SECURITY_MANAGER, server, status, TRANSACTION_MANAGER

Fields inherited from interface jrunx.kernel.Service

INITIALIZED, STARTED, STARTING, STOPPED, STOPPING, UNINITIALIZED

Constructor Summary

InstrumentationService()

Method Summary

static InstrumentationService	getInstrumentationService() Factory method for getting the instrumentor.
byte[]	instrument(java.lang.String name, byte[] bytes, java.lang.ClassLoader loader) Instrument the bytes of the class file.
void	start() Every service other than mere data collections should start
void	stop() Every service other than mere data collections should stop

Methods inherited from class jrunx.kernel.ConfigurableServicePartition

destroy, destroyServices, init, initServices, loadAndInit, loadChildren, setChildElements, startServices, stopServices

Methods inherited from class jrunx.kernel.ServicePartition

addService, addService, getServices, invokeChain, iterator, removeService, removeService

Methods inherited from class jrunx.kernel.ServiceAdapter

bind, findObjectInstance, findObjectInstance, findObjectInstance, getBindToJNDI, getDeactivated, getDomainName, getDomainSearchPath, getJRunService, getLogger, getName, getParentService, getReference, getResourceManager, getServerName, getServerProperties, getStatus, invokeMethod, isInPartition, isPartition, lookup, postDeregister, postRegister, preDeregister, preRegister, requestServer, scheduleRunnable, setBindToJNDI, setDeactivated, setDomainName, setName, setParentService, toString, unbind, unscheduleRunnable, updateStatus

Methods inherited from interface jrunx.kernel.ConfigurableServicePartitionMBean

setChildElements

Methods inherited from interface jrunx.kernel.ServicePartitionMBean

addService, addService, iterator, removeService, removeService

Methods inherited from interface jrunx.kernel.ServiceMBean

bind, getBindToJNDI, getDeactivated, getDomainName, getJRunService, getLogger, getName, getParentService, getServerName, requestServer, setBindToJNDI, setDeactivated, setDomainName, setName, setParentService, unbind

Methods inherited from interface jrunx.kernel.Service

destroy, getStatus, init, updateStatus

Field Detail

instrumentors

protected java.util.List instrumentors

instrumentationService

protected static InstrumentationService instrumentationService

Constructor Detail

InstrumentationService

public InstrumentationService()

Method Detail

start

public void start()
           throws java.lang.Exception

Description copied from class: ServiceAdapter

Every service other than mere data collections should start

Specified by:

start in interface Service

Overrides:

start in class ConfigurableServicePartition

stop

public void stop()
          throws java.lang.Exception

Description copied from class: ServiceAdapter

Every service other than mere data collections should stop

Specified by:

stop in interface Service

Overrides:

stop in class ConfigurableServicePartition

instrument

public byte[] instrument(java.lang.String name,
                         byte[] bytes,
                         java.lang.ClassLoader loader)
                  throws java.io.IOException

Description copied from interface: Instrumentor

Instrument the bytes of the class file.

Specified by:

instrument in interface Instrumentor

Following copied from interface: jrunx.instrument.Instrumentor

Parameters:

name - The class name

bytes - The class bytes

loader - The ClassLoader that loaded the class

Returns:

The (potentially) modified class

getInstrumentationService

public static InstrumentationService getInstrumentationService()

Factory method for getting the instrumentor. Only valid after the InstrumentationService has been started