public interface ClassTransformer
PersistenceUnitInfo.addTransformer
method. The supplied
transformer instance will get called to transform entity class files when they are loaded or redefined. The
transformation occurs before the class is defined by the JVM.Modifier and Type | Method and Description |
---|---|
byte[] |
transform(ClassLoader loader,
String className,
Class<?> classBeingRedefined,
ProtectionDomain protectionDomain,
byte[] classfileBuffer)
Invoked when a class is being loaded or redefined.
|
byte[] transform(ClassLoader loader, String className, Class<?> classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer) throws IllegalClassFormatException
loader
- the defining loader of the class to be transformed, may be null if the bootstrap loaderclassName
- the name of the class in the internal form of fully qualified class and interface namesclassBeingRedefined
- if this is a redefine, the class being redefined, otherwise nullprotectionDomain
- the protection domain of the class being defined or redefinedclassfileBuffer
- the input byte buffer in class file format - must not be modifiedIllegalClassFormatException
- if the input does not represent a well-formed class fileCopyright © 2016. All rights reserved.