public class EnhancingClassTransformerImpl extends java.lang.Object implements ClassTransformer
Constructor and Description |
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EnhancingClassTransformerImpl(EnhancementContext enhancementContext) |
Modifier and Type | Method and Description |
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byte[] |
transform(java.lang.ClassLoader loader,
java.lang.String className,
java.lang.Class<?> classBeingRedefined,
java.security.ProtectionDomain protectionDomain,
byte[] classfileBuffer)
Invoked when a class is being loaded or redefined to add hooks for persistence bytecode manipulation.
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public EnhancingClassTransformerImpl(EnhancementContext enhancementContext)
public byte[] transform(java.lang.ClassLoader loader, java.lang.String className, java.lang.Class<?> classBeingRedefined, java.security.ProtectionDomain protectionDomain, byte[] classfileBuffer) throws java.lang.instrument.IllegalClassFormatException
ClassTransformer
transform
in interface javax.persistence.spi.ClassTransformer
loader
- the defining class loaderof the class being transformed. It may be null if using bootstrap loaderclassName
- The name of the class being transformedclassBeingRedefined
- If an already loaded class is being redefined, then pass this as a parameterprotectionDomain
- ProtectionDomain of the class being (re)-definedclassfileBuffer
- The input byte buffer in class file formatjava.lang.instrument.IllegalClassFormatException
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