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1. Principle of agent mode Wrap the object with a proxy object and replace the original object with the proxy object. Any call to the original object must be called through the proxy object. The proxy object determines whether and when method calls are transferred to the original object. 2. Static proxy mode Here is an example of a clothing ...

The difference between static agent and dynamic agent According to the creation period of the agent, the agent class can be divided into two types: Static: programmers create proxy classes or specific tools to automatically generate source code and then compile it. The. Class file of the proxy class already exists before the program runs. Dyna ...

9.1 what is AOP AOP (Aspect Oriented Programming) means: Aspect Oriented Programming, which realizes the unified maintenance of program functions through precompiled mode and runtime dynamic agent. AOP is the continuation of OOP, a hot spot in software development, an important content in Spring framework, and a derivative paradigm of function ...

JDK dynamic agent   *JDK dynamic proxy creates proxy instances for interfaces (similar to creating implementation classes for interfaces) 1: It mainly involves the two classes Proxy and InvocationHandler in the java.lang.reflect package. InvocationHandler is an interface, which can be implemented by a user-defined class to define enhanced lo ...

What is the agent model? Proxy mode provides a proxy object for an object, and the proxy object controls the reference to the original object. Agent mode classification: Static agent and dynamic agent, and the implementation methods of dynamic agent - JDK dynamic agent and CGLIB dynamic agent. Static proxy: the bytecode file of the proxy cl ...

catalogue preface Several concepts of AOP Code example Several common scenarios for notification About @ Pointcut summary preface         The previous article talked about dynamic agents and interceptor chains, Spring - dynamic proxy and interceptor . Because dynamic proxy is the foundation of spring AOP, you can ...