@Override
 protected void processRelationshipOperation(
     DeleteRelationshipOperation operation,
     NodeTemplate nodeTemplate,
     RelationshipTemplate relationshipTemplate) {
   Topology topology = EditionContextManager.getTopology();
   log.debug(
       "Removing the Relationship template <"
           + operation.getRelationshipName()
           + "> from the Node template <"
           + operation.getNodeName()
           + ">, Topology <"
           + topology.getId()
           + "> .");
   topologyService.unloadType(topology, relationshipTemplate.getType());
   nodeTemplate.getRelationships().remove(operation.getRelationshipName());
   workflowBuilderService.removeRelationship(
       topology, operation.getNodeName(), operation.getRelationshipName(), relationshipTemplate);
 }