ActiveJDBC instrumentation

[Aravind Kumar]

Hi there, 

I have been reading the ActiveJDBC source code.

I would like to know what this piece of code does ?

	CodeConverter conv = new CodeConverter();
	conv.redirectMethodCall(modelGetClass, newGetClass);
	for (CtMethod method : modelMethods) {
	int modifiers = method.getModifiers();
	if (Modifier.isStatic(modifiers)) {
	if (targetHasMethod(targetMethods, method)) {
	Instrumentation.log("Detected method: " + method.getName() + ", skipping delegate.");
	} else {
	CtMethod newMethod;
	if (Modifier.isProtected(modifiers) || Modifier.isPublic(modifiers)) {
	newMethod = CtNewMethod.copy(method, target, classMap);
	newMethod.instrument(conv);
	} else if ("modelClass".equals(method.getName())) {
	newMethod = newGetClass;
	} else {
	newMethod = CtNewMethod.delegator(method, target);
	}
	for (Object attr : method.getMethodInfo().getAttributes()) {
	if (attr instanceof SignatureAttribute) {
	newMethod.getMethodInfo().addAttribute((SignatureAttribute) attr);
	}
	}
	target.addMethod(newMethod);
	}
	}
	}

From what I understand,

• it copies `Model.modelClass()` method to the target class 
• Copies all the public and protected methods to target class and redirects the call to Model.modelClass() in the method body to Target.modelClass()
• Creates methods which forwards to a delegate in the Model class and adds it to the target class.

What confuses me is the third point, How does it create a forwarding method to the methods with private and package visibility in the Model class ? Is there any reason why I do not see any private static method in Model.java (except `Model.modelClass()`) ? 

[Igor Polevoy]

this code does what is described on this page: http://javalite.io/instrumentation

tx

On Sunday, April 5, 2015 at 3:21:25 AM UTC-5, Aravind Kumar wrote:

Hi there, 

I have been reading the ActiveJDBC source code.

I would like to know what this piece of code does ?

	CodeConverter conv = new CodeConverter();
	conv.redirectMethodCall(modelGetClass, newGetClass);
	for (CtMethod method : modelMethods) {
	int modifiers = method.getModifiers();
	if (Modifier.isStatic(modifiers)) {
	if (targetHasMethod(targetMethods, method)) {
	Instrumentation.log("Detected method: " + method.getName() + ", skipping delegate.");
	} else {
	CtMethod newMethod;
	if (Modifier.isProtected(modifiers) || Modifier.isPublic(modifiers)) {
	newMethod = CtNewMethod.copy(method, target, classMap);
	newMethod.instrument(conv);
	} else if ("modelClass".equals(method.getName())) {
	newMethod = newGetClass;
	} else {
	newMethod = CtNewMethod.delegator(method, target);
	}
	for (Object attr : method.getMethodInfo().getAttributes()) {
	if (attr instanceof SignatureAttribute) {
	newMethod.getMethodInfo().

...