org.springframework.instrument.classloading

接口 LoadTimeWeaver

所有已知实现类:

DefaultContextLoadTimeWeaver, GlassFishLoadTimeWeaver, InstrumentationLoadTimeWeaver, JBossLoadTimeWeaver, ReflectiveLoadTimeWeaver, SimpleLoadTimeWeaver, TomcatLoadTimeWeaver, WebLogicLoadTimeWeaver, WebSphereLoadTimeWeaver

public interface LoadTimeWeaver

Defines the contract for adding one or more ClassFileTransformers to a ClassLoader.

Implementations may operate on the current context ClassLoader or expose their own instrumentable ClassLoader.

从以下版本开始:

2.0

作者:

Rod Johnson, Costin Leau

另请参阅:

ClassFileTransformer

方法概要

限定符和类型	方法和说明
void	addTransformer(ClassFileTransformer transformer) Add a ClassFileTransformer to be applied by this LoadTimeWeaver.
ClassLoader	getInstrumentableClassLoader() Return a ClassLoader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers.
ClassLoader	getThrowawayClassLoader() Return a throwaway ClassLoader, enabling classes to be loaded and inspected without affecting the parent ClassLoader.

方法详细资料

addTransformer

void addTransformer(ClassFileTransformer transformer)

Add a ClassFileTransformer to be applied by this LoadTimeWeaver.

参数:

transformer - the ClassFileTransformer to add

getInstrumentableClassLoader

ClassLoader getInstrumentableClassLoader()

Return a ClassLoader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers.

May be the current ClassLoader, or a ClassLoader created by this LoadTimeWeaver instance.

返回:

the ClassLoader which will expose instrumented classes according to the registered transformers

getThrowawayClassLoader

ClassLoader getThrowawayClassLoader()

Return a throwaway ClassLoader, enabling classes to be loaded and inspected without affecting the parent ClassLoader.

Should not return the same instance of the ClassLoader returned from an invocation of getInstrumentableClassLoader().

返回:

a temporary throwaway ClassLoader; should return a new instance for each call, with no existing state