code: private static String objHashStr(Object o) {
          return o.getClass().getSimpleName() + "@" + Integer.toHexString(o.hashCode());
      }
docs: /*
  private ProvidedServiceInstance toProvidedInstance(ModelServiceInstance mInstance) {
  return new ProvidedServiceInstance(mInstance.getServiceName(), mInstance.getAddress(),
  mInstance.getUri(), mInstance.getStatus(),
  mInstance.getMetadata());
  }