import java.util.Optional;
import org.onap.aai.domain.yang.Customer;
+import org.onap.aai.domain.yang.Relationship;
import org.onap.aai.domain.yang.ServiceInstance;
import org.onap.aai.domain.yang.ServiceInstances;
import org.onap.aai.domain.yang.ServiceSubscription;
boolean patchServiceInstance(final String globalCustomerId, final String serviceType,
final String serviceInstanceId, final ServiceInstance serviceInstance);
+ Optional<Relationship> getRelationship(final String globalCustomerId, final String serviceType,
+ final String serviceInstanceId, final String vnfName);
+
+ Optional<ServiceInstance> addRelationShip(final String globalCustomerId, final String serviceType,
+ final String serviceInstanceId, final Relationship relationship);
+
void clearAll();
+
+
}