org.jboss.aop.instrument
Class MethodExecutionTransformer

java.lang.Object
  org.jboss.aop.instrument.MethodExecutionTransformer

Direct Known Subclasses:

GeneratedAdvisorMethodExecutionTransformer, NonOptimizedMethodExecutionTransformer, OptimizedMethodExecutionTransformer

public abstract class MethodExecutionTransformer

extends Object

Comment

Version:

$Revision: 1.41 $

Author:

Bill Burke

Nested Class Summary

protected class

MethodExecutionTransformer.MethodTransformation

Field Summary

protected Instrumentor	instrumentor
static String	METHOD_INFO_CLASS_NAME

Constructor Summary

protected

MethodExecutionTransformer(Instrumentor instrumentor)

Method Summary

protected boolean	addInfoAsWeakReference()
protected String	addMethodInfoField(int modifiers, javassist.CtClass addTo, MethodExecutionTransformer.MethodTransformation trans) Adds a MethodInfo field to the passed in class
protected String	addMethodInfoField(int modifiers, javassist.CtClass addTo, MethodExecutionTransformer.MethodTransformation trans, javassist.CtField.Initializer init) Adds a MethodInfo field to the passed in class
protected JoinpointClassification[]	classifyMethods(javassist.CtClass clazz, ClassAdvisor advisor) Classifies the method execution joinpoints.
protected void	copyAnnotations(javassist.CtMethod src, javassist.CtMethod dest)
protected abstract void	doWrap(MethodExecutionTransformer.MethodTransformation trans, String methodInfoFieldName)
protected static String	getAopReturnStr(boolean isVoid)
protected static String	getAopReturnStr(javassist.CtMethod method)
protected JoinpointClassifier	getClassifier()
static String	getMethodInfoFieldName(String methodName, long methodHash)
static String	getMethodNameHash(String methodName, long methodHash)
protected static String	getReturnStr(boolean isVoid)
protected static String	getReturnStr(javassist.CtMethod method)
protected static WrapperTransformer	getWrapper()
void	instrument(javassist.CtClass clazz, ClassAdvisor advisor)
protected static String	methodInfoFromWeakReference(String localName, String methodInfoName)
protected abstract void	transformMethod(MethodExecutionTransformer.MethodTransformation trans, boolean wrap)
void	unwrap(javassist.CtClass clazz, Collection methodInfos) Unwraps the method executions contained in methodInfos.
void	wrap(javassist.CtClass clazz, Collection methodInfos) Wraps the method executions contained in methodInfos.

Methods inherited from class java.lang.Object

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

Field Detail

METHOD_INFO_CLASS_NAME

public static final String METHOD_INFO_CLASS_NAME

See Also:

Constant Field Values

instrumentor

protected Instrumentor instrumentor

Constructor Detail

MethodExecutionTransformer

protected MethodExecutionTransformer(Instrumentor instrumentor)

Method Detail

getWrapper

protected static WrapperTransformer getWrapper()

getClassifier

protected JoinpointClassifier getClassifier()

addMethodInfoField

protected String addMethodInfoField(int modifiers,
                                    javassist.CtClass addTo,
                                    MethodExecutionTransformer.MethodTransformation trans)
                             throws javassist.NotFoundException,
                                    javassist.CannotCompileException

Adds a MethodInfo field to the passed in class

Throws:

javassist.NotFoundException

javassist.CannotCompileException

addMethodInfoField

protected String addMethodInfoField(int modifiers,
                                    javassist.CtClass addTo,
                                    MethodExecutionTransformer.MethodTransformation trans,
                                    javassist.CtField.Initializer init)
                             throws javassist.NotFoundException,
                                    javassist.CannotCompileException

Adds a MethodInfo field to the passed in class

Throws:

javassist.NotFoundException

javassist.CannotCompileException

addInfoAsWeakReference

protected boolean addInfoAsWeakReference()

getMethodNameHash

public static String getMethodNameHash(String methodName,
                                       long methodHash)

getMethodInfoFieldName

public static String getMethodInfoFieldName(String methodName,
                                            long methodHash)

methodInfoFromWeakReference

protected static String methodInfoFromWeakReference(String localName,
                                                    String methodInfoName)

classifyMethods

protected JoinpointClassification[] classifyMethods(javassist.CtClass clazz,
                                                    ClassAdvisor advisor)
                                             throws javassist.NotFoundException

Classifies the method execution joinpoints.

Parameters:

clazz - the clazz whose methods will be classified.

advisor - the advisor associated to clazz.

Returns:

a classification array.

Throws:

javassist.NotFoundException

instrument

public void instrument(javassist.CtClass clazz,
                       ClassAdvisor advisor)
                throws javassist.NotFoundException,
                       javassist.CannotCompileException

Throws:

javassist.NotFoundException

javassist.CannotCompileException

wrap

public void wrap(javassist.CtClass clazz,
                 Collection methodInfos)
          throws Exception

Wraps the method executions contained in methodInfos.

Parameters:

clazz - the class being instrumented.

Throws:

Exception

unwrap

public void unwrap(javassist.CtClass clazz,
                   Collection methodInfos)
            throws Exception

Unwraps the method executions contained in methodInfos.

Parameters:

clazz - the class being instrumented.

Throws:

Exception

copyAnnotations

protected void copyAnnotations(javassist.CtMethod src,
                               javassist.CtMethod dest)

getAopReturnStr

protected static String getAopReturnStr(javassist.CtMethod method)
                                 throws javassist.NotFoundException

Throws:

javassist.NotFoundException

getAopReturnStr

protected static String getAopReturnStr(boolean isVoid)
                                 throws javassist.NotFoundException

Throws:

javassist.NotFoundException

getReturnStr

protected static String getReturnStr(javassist.CtMethod method)
                              throws javassist.NotFoundException

Throws:

javassist.NotFoundException

getReturnStr

protected static String getReturnStr(boolean isVoid)
                              throws javassist.NotFoundException

Throws:

javassist.NotFoundException

transformMethod

protected abstract void transformMethod(MethodExecutionTransformer.MethodTransformation trans,
                                        boolean wrap)
                                 throws javassist.CannotCompileException,
                                        javassist.NotFoundException

Throws:

javassist.CannotCompileException

javassist.NotFoundException

doWrap

protected abstract void doWrap(MethodExecutionTransformer.MethodTransformation trans,
                               String methodInfoFieldName)
                        throws javassist.NotFoundException,
                               Exception

Throws:

javassist.NotFoundException

Exception