Package org.datanucleus.api.jakarta

Class JakartaClassTransformer

java.lang.Object

org.datanucleus.api.jakarta.JakartaClassTransformer

All Implemented Interfaces:

jakarta.persistence.spi.Transformer

public class JakartaClassTransformer
extends Object
implements jakarta.persistence.spi.Transformer

ClassTransformer for runtime enhancement of classes to the Jakarta Persistence interface. A persistence provider supplies an instance of this interface to the 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.

Constructor Summary

Constructors

Constructor	Description
JakartaClassTransformer(Map contextProps)

Method Summary

Modifier and Type	Method	Description
byte[]	transform(String className, ClassLoader loader, Class classBeingRedefined, ProtectionDomain protectionDomain, byte[] classfileBuffer)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JakartaClassTransformer

public JakartaClassTransformer(Map contextProps)

Method Detail

transform

public byte[] transform(String className,
                        ClassLoader loader,
                        Class classBeingRedefined,
                        ProtectionDomain protectionDomain,
                        byte[] classfileBuffer)
                 throws jakarta.persistence.spi.TransformerException

Specified by:

transform in interface jakarta.persistence.spi.Transformer

Throws:

jakarta.persistence.spi.TransformerException