public interface TypeFactory {
    BaseType getService(String serviceName);
}

@Bean
        public ServiceLocatorFactoryBean typeFactory() {
                ServiceLocatorFactoryBean serviceLocatorFactoryBean = new ServiceLocatorFactoryBean();
                serviceLocatorFactoryBean.setServiceLocatorInterface(TypeFactory .class);
                return serviceLocatorFactoryBean;
        }

@Autowired
private TypeFactory typeFactory;

@Override
    public Response register(String type, String operatorId, String description) {
       BaseType typeService = typeFactory.getService(requestType);
       .......
}

@Scope(SCOPE_PROTOTYPE)
@Service("Activation_Type")
public class ActivationType extends BaseType {
    @Override
    public Map<String, Object> getParameters(BaseTypeParameter baseParam) {
         Business logic....
    }
}