code: public static ServiceName deploymentUnitName(String parent, String name, Phase phase) {
          return JBOSS_DEPLOYMENT_SUB_UNIT.append(parent, name, phase.name());
      }
docs: Get the service name of a subdeployment.
  
  @param parent the parent deployment name
  @param name the subdeployment name
  @param phase the deployment phase
  @return the service name