The user should implement the {@link #construct(ConstructorInvocation)} method to modify the originalbehavior. E.g. the following class implements a singleton interceptor (allows only one unique instance for the intercepted class):
class DebuggingInterceptor implements ConstructorInterceptor { Object instance=null; Object construct(ConstructorInvocation i) throws Throwable { if(instance==null) { return instance=i.proceed(); } else { throw new Exception("singleton does not allow multiple instance"); } } }
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