Package org.glassfish.api.deployment

Interface InstrumentableClassLoader

public interface InstrumentableClassLoader
Providers of class loaders for GlassFish applications can optionally implements this interface to indicate their class loader is capable of byte code enhancement.
Author:
Persistence Team

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    addTransformer(ClassFileTransformer transformer)
    Add a new ClassFileTransformer to this class loader.
    ClassLoader
    copy()
    Create and return a temporary loader with the same visibility as this loader.

  • Method Details

    • copy

      ClassLoader copy()
      Create and return a temporary loader with the same visibility as this loader. The temporary loader may be used to load resources or any other application classes for the purposes of introspecting them for annotations. The persistence provider should not maintain any references to the temporary loader, or any objects loaded by it.
      Returns:
      A temporary classloader with the same classpath as this loader

    • addTransformer

      void addTransformer(ClassFileTransformer transformer)
      Add a new ClassFileTransformer to this class loader. This transfomer should be called for each class loading event.
      Parameters:
      transformer - new class file transformer to do byte code enhancement.