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GlassFishLoadTimeWeaver (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.instrument.classloading.glassfish
Class GlassFishLoadTimeWeaver

java.lang.Object
  extended by org.springframework.instrument.classloading.glassfish.GlassFishLoadTimeWeaver
All Implemented Interfaces:
LoadTimeWeaver

public class GlassFishLoadTimeWeaver
extends Object
implements LoadTimeWeaver

LoadTimeWeaver implementation for GlassFish's instrumentable ClassLoader.

Since:
2.0.1
Author:
Costin Leau, Juergen Hoeller
See Also:
InstrumentableClassLoader

Constructor Summary
GlassFishLoadTimeWeaver()
           
GlassFishLoadTimeWeaver(ClassLoader classLoader)
           
 
Method Summary
 void addTransformer(ClassFileTransformer transformer)
          Add a class file transformer to be applied by this load-time weaver.
protected  com.sun.enterprise.loader.InstrumentableClassLoader determineClassLoader(ClassLoader classLoader)
          Determine the GlassFish InstrumentableClassLoader for the given ClassLoader.
 ClassLoader getInstrumentableClassLoader()
          Return a class loader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers.
 ClassLoader getThrowawayClassLoader()
          Return a throwaway class loader, enabling classes to be loaded and inspected without affecting the parent class loader.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

GlassFishLoadTimeWeaver

public GlassFishLoadTimeWeaver()

GlassFishLoadTimeWeaver

public GlassFishLoadTimeWeaver(ClassLoader classLoader)
Method Detail

determineClassLoader

protected com.sun.enterprise.loader.InstrumentableClassLoader determineClassLoader(ClassLoader classLoader)
Determine the GlassFish InstrumentableClassLoader for the given ClassLoader.

Parameters:
classLoader - the ClassLoader to check
Returns:
the InstrumentableClassLoader, or null if none found

addTransformer

public void addTransformer(ClassFileTransformer transformer)
Description copied from interface: LoadTimeWeaver
Add a class file transformer to be applied by this load-time weaver.

Specified by:
addTransformer in interface LoadTimeWeaver
Parameters:
transformer - the class file transformer to add

getInstrumentableClassLoader

public ClassLoader getInstrumentableClassLoader()
Description copied from interface: LoadTimeWeaver
Return a class loader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers.

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

Specified by:
getInstrumentableClassLoader in interface LoadTimeWeaver
Returns:
a class loader that supports instrumentation through AspectJ-style load-time weaving based on user-defined ClassFileTransformers

getThrowawayClassLoader

public ClassLoader getThrowawayClassLoader()
Description copied from interface: LoadTimeWeaver
Return a throwaway class loader, enabling classes to be loaded and inspected without affecting the parent class loader.

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

Specified by:
getThrowawayClassLoader in interface LoadTimeWeaver
Returns:
a temporary throwaway class loader; should return a new instance for each call, with no existing state

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