com.newrelic.agent.instrumentation

Class ClassTransformerServiceImpl

java.lang.Object

com.newrelic.agent.service.AbstractService

com.newrelic.agent.instrumentation.ClassTransformerServiceImpl

All Implemented Interfaces:

ClassTransformerService, Service

public class ClassTransformerServiceImpl
extends AbstractService
implements ClassTransformerService

Field Summary

Fields inherited from class com.newrelic.agent.service.AbstractService

logger

Constructor Summary

Constructors

Constructor and Description
ClassTransformerServiceImpl(InstrumentationProxy instrumentationProxy)

Method Summary

Modifier and Type	Method and Description
boolean	addTraceMatcher(ClassAndMethodMatcher matcher, java.lang.String metricPrefix) Add a matcher that will match class/methods which should be traced.
void	checkShutdown()
protected void	doStart()
protected void	doStop()
PointCutClassTransformer	getClassTransformer()
InstrumentationContextManager	getContextManager()
java.lang.instrument.Instrumentation	getExtensionInstrumentation() Returns an Instrumentation instance that inserts added class transformers before the agent's class transformers.
ClassRetransformer	getLocalRetransformer()
ClassRetransformer	getRemoteRetransformer()
boolean	isEnabled() Is the service enabled.
void	retransformMatchingClasses(java.util.Collection<ClassMatchVisitorFactory> matchers) Queues the retransformation of loaded classes that match the given class matchers.
void	retransformMatchingClassesImmediately(java.lang.Class<?>[] loadedClasses, java.util.Collection<ClassMatchVisitorFactory> matchers) Immediately retransforms the loaded classes that match the given class matchers.

Methods inherited from class com.newrelic.agent.service.AbstractService

getLogger, getName, isStarted, isStartedOrStarting, isStopped, isStoppedOrStopping, start, stop

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.newrelic.agent.service.Service

getLogger, getName, isStarted, isStartedOrStarting, isStopped, isStoppedOrStopping, start, stop

Constructor Detail

ClassTransformerServiceImpl

public ClassTransformerServiceImpl(InstrumentationProxy instrumentationProxy)
                            throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

doStart

protected void doStart()
                throws java.lang.Exception

Specified by:

doStart in class AbstractService

Throws:

java.lang.Exception

checkShutdown

public void checkShutdown()

Specified by:

checkShutdown in interface ClassTransformerService

retransformMatchingClasses

public void retransformMatchingClasses(java.util.Collection<ClassMatchVisitorFactory> matchers)

Description copied from interface: ClassTransformerService

Queues the retransformation of loaded classes that match the given class matchers.

Specified by:

retransformMatchingClasses in interface ClassTransformerService

retransformMatchingClassesImmediately

public void retransformMatchingClassesImmediately(java.lang.Class<?>[] loadedClasses,
                                                  java.util.Collection<ClassMatchVisitorFactory> matchers)

Description copied from interface: ClassTransformerService

Immediately retransforms the loaded classes that match the given class matchers.

Specified by:

retransformMatchingClassesImmediately in interface ClassTransformerService

doStop

protected void doStop()
               throws java.lang.Exception

Specified by:

doStop in class AbstractService

Throws:

java.lang.Exception

getContextManager

public InstrumentationContextManager getContextManager()

Specified by:

getContextManager in interface ClassTransformerService

getClassTransformer

public PointCutClassTransformer getClassTransformer()

Specified by:

getClassTransformer in interface ClassTransformerService

getLocalRetransformer

public ClassRetransformer getLocalRetransformer()

Specified by:

getLocalRetransformer in interface ClassTransformerService

getRemoteRetransformer

public ClassRetransformer getRemoteRetransformer()

Specified by:

getRemoteRetransformer in interface ClassTransformerService

isEnabled

public boolean isEnabled()

Description copied from interface: Service

Is the service enabled.

Specified by:

isEnabled in interface Service

Returns:

true if the service is enabled

addTraceMatcher

public boolean addTraceMatcher(ClassAndMethodMatcher matcher,
                               java.lang.String metricPrefix)

Description copied from interface: ClassTransformerService

Add a matcher that will match class/methods which should be traced.

Specified by:

addTraceMatcher in interface ClassTransformerService

Returns:

true if the matcher was not previously added

getExtensionInstrumentation

public java.lang.instrument.Instrumentation getExtensionInstrumentation()

Description copied from interface: ClassTransformerService

Returns an Instrumentation instance that inserts added class transformers before the agent's class transformers. This allows extensions to add Trace annotations to class methods and have those annotations be picked up by the agent.

Specified by:

getExtensionInstrumentation in interface ClassTransformerService