code: private void addDependencyToGraph(final DbDependency dependency, final AbstractGraph graph, final int depth, final String parentId) {
          // In that case of Axway artifact we will add a module to the graph
          if (filters.getCorporateFilter().filter(dependency)) {
              final DbModule dbTarget = repoHandler.getModuleOf(dependency.getTarget());
  
              // if there is no module, add the artifact to the graph
              if(dbTarget == null){
                  LOG.error("Got missing reference: " + dependency.getTarget());
                  final DbArtifact dbArtifact = DataUtils.createDbArtifact(dependency.getTarget());
                  final String targetElementId = graph.getId(dbArtifact);
                  graph.addElement(targetElementId, dbArtifact.getVersion(), false);
                  graph.addDependency(parentId, targetElementId, dependency.getScope());
                  return;
              }
  
              // Add the element to the graph
              addModuleToGraph(dbTarget, graph, depth + 1);
  
              //Add the dependency to the graph
              final String moduleElementId = graph.getId(dbTarget);
              graph.addDependency(parentId, moduleElementId, dependency.getScope());
          }
          // In case a third-party we will add an artifact
          else {
              final DbArtifact dbTarget = repoHandler.getArtifact(dependency.getTarget());
              if(dbTarget == null){
                  LOG.error("Got missing artifact: " + dependency.getTarget());
                  return;
              }
  
              if(!graph.isTreated(graph.getId(dbTarget))){
                  final ModelMapper modelMapper = new ModelMapper(repoHandler);
                  final Artifact target = modelMapper.getArtifact(dbTarget);
                  final String targetElementId = graph.getId(target);
                  graph.addElement(targetElementId, target.getVersion(), false);
                  graph.addDependency(parentId, targetElementId, dependency.getScope());
              }
          }
      }
docs: Add a dependency to the graph
  
  @param dependency
  @param graph
  @param depth
  @param parentId