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Questions tagged [cglib]

CGLib (Code Generation Library) is a run time code generation library for the Java platform licensed under the Apache 2.0 license.

CGLib (Code Generation Library) is mainly used the generation of class proxies. This is achieved by creating subclasses at run time where method invocations are intercepted by user defined methods. Additionally, cglib offers different extension such as for example bean utilities. cglib is built on top of ASM.

Alternative code generation libraries for the JVM that are still under active development are:

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How to use Cglib to update fields of a class in runtime by reading a XML configuration?

Considering the commonality and flexibility of our project, we need to add fields and related get/set methods into a basic class with a array of columns from a XML configuration file. I was thinking of Cglib and did a study about it. I've learned…
Brady Zhu
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How to get Spring Controllers, AOP and JDK Proxy to work together

In my spring controllers, annotated with aspects, I am attempting to remove CGLib proxies and replace them with JDK dynamic proxies. I know that Spring AOP uses CGLib when the class does not implement an interface, since JDK dynamic proxies work…
DanielKWinsor
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CGLib proxy and none empty constructor

Let's consider that I have some Class A which has property of class B. public class ClassA{ private ClassB classB; public ClassA(ClassB classB){ this.classB = classB; } //some methods ommitted. } No I have CGLIB proxy: public class CGLibProxy…
danny.lesnik
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Dynamic proxies to auto-save models

I'm trying to make some auto-magic happen in java using proxies to track objects and saving them when a set* method is called. I started of using java's built in Proxy, and everything works just fine, but from what I can understand I need a…
atomman
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Using CGLIB proxy with Ehcache CacheManager

I want to use Spring AOP in my spring application. While creating AOP proxy for net.sf.ehcache.CacheManager, spring context initialization fails with the below exception: nested exception is org.springframework.aop.framework.AopConfigException:…
Swapnil
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Is there something wrong

I am learn cglib proxy, When I use Person class which declared in the DemoApplication class as the target of super class of enhancer, there will be a error like this. This is my code public class DemoApplication { public static void main(String[]…
Shao Junying
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Why doesn't spring method injection work in Kotlin?

I try to implement method injection using Spring 5.1.6 and Kotlin 1.3.20 When i implement method injection using Kotlin method getNotification isn't return new object of SchoolNotification. I get Kotlin NPE. @Component @Scope("prototype") open class…
Artyom Karnov
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cglib vs javaassit vs java refelection

I heard that cglib takes less time as compare to java reflection for runtime object creation but when I checked, it is taking 100 times more time than java reflection. Following is the result of my research Creating 10000 objects CGLIB:191…
zubair
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How to add multiple implementations to java class using cglib?

is it possible to support this solution using cglib? interface I { void foo(); void boo(); } abstract class B implements I { foo(); } abstract class C implements I { boo(); } abstract class D extends B { } The code D d = new…
Njax3SmmM2x2a0Zf7Hpd
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Some doubts about Spring AOP example

I am leargnin AOP in Spring Framework studying on this tutorial: http://www.tutorialspoint.com/spring/schema_based_aop_appoach.htm Differently from the previous tutorial I am not adding manually the needed jars file but I am using Maven. Initially I…
AndreaNobili
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Use of Dispatcher in cglib

Can someone please explain the use of Dispatcher in cglib proxies ?
Prasad Weera
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