net.grinder.scriptengine

Interface DCRContext

All Known Implementing Classes:

DCRContextImplementation

public interface DCRContext

Provide access to DCR instrumentation.

Author:

Philip Aston

Method Summary

Methods

Modifier and Type	Method and Description
void	add(Object target, Constructor<?> constructor, Recorder recorder) Register a constructor for instrumentation.
void	add(Object target, Method method, Weaver.TargetSource targetSource, Recorder recorder) Register a method for instrumentation.
void	applyChanges() Apply the changes queued with the add methods.
boolean	isInstrumentable(Class<?> targetClass) Test whether a class can be instrumented.

Method Detail

add

void add(Object target,
       Constructor<?> constructor,
       Recorder recorder)
         throws NonInstrumentableTypeException

Register a constructor for instrumentation.

Parameters:

target - Target object.

constructor - The constructor.

recorder - The recorder to use.

Throws:

NonInstrumentableTypeException - If the constructor belongs to a non-instrumentable type.

add

void add(Object target,
       Method method,
       Weaver.TargetSource targetSource,
       Recorder recorder)
         throws NonInstrumentableTypeException

Register a method for instrumentation.

Parameters:

target - Target object.

method - The method.

targetSource - The method parameter that identifies the target object..

recorder - The recorder to use.

Throws:

NonInstrumentableTypeException - If the method belongs to a non-instrumentable type.

isInstrumentable

boolean isInstrumentable(Class<?> targetClass)

Test whether a class can be instrumented.

Parameters:

targetClass - The class to test.

Returns:

true if the class can be instrumented.

applyChanges

void applyChanges()
                  throws WeavingException

Apply the changes queued with the add methods.

Throws:

WeavingException - If weaving failed.