JPAWeavingHook.java 文件源码

@Override
public void weave(WovenClass wovenClass) {
    BundleWiring wiring = wovenClass.getBundleWiring();
    Bundle bundle = wiring.getBundle();
    ClassLoader cl = wiring.getClassLoader();
    Collection<ClassTransformer> transformersToTry = getTransformers(bundle);
    for (ClassTransformer transformer : transformersToTry) {
        if (transformClass(wovenClass, cl, transformer)) {
            LOGGER.info("Weaving " + wovenClass.getClassName() + " using " + transformer.getClass().getName());
            break;
        }
    }
    Class<?> dClass = wovenClass.getDefinedClass();
    if (transformersToTry.isEmpty() && dClass != null && dClass.getAnnotation(Entity.class) != null) {
        LOGGER.warn("Loading " + wovenClass.getClassName() + " before transformer is present");
    }
}