Is there a way to prohibit using a class as spring bean?

Question

Is there a way (any annotation of base class) using which i can mark a class such that spring throws an error on context initialization? Basically i have a class which is not thread safe by design and i do not want anybody to use it with spring as singleton bean. I know it can be used as prototype bean but can i prohibit, it being used as spring bean altogether?

Answer 1

Make its post-initialisation method throw.

Either implement InitializingBean

public final void afterPropertiesSet() {
    throw new UnsupportedOperationException();
}

Or use a JEE annotation

@PostConstruct
public final void forbidDependencyInjection() {
    throw new UnsupportedOperationException();
}