@FunctionalInterface public interface TargetSourceCreator
AbstractAutoProxyCreator can support a number of TargetSourceCreators, which will be applied in order.
@Nullable TargetSource getTargetSource(Class<?> beanClass, String beanName)
beanClass- the class of the bean to create a TargetSource for
beanName- the name of the bean
nullif this TargetSourceCreator isn't interested in the particular bean