public Alignment buildAlignment(
      Statement stmt, AlignmentType alignmentType, ThesaurusConcept concept) {
    logger.debug("Building alignment " + stmt.getObject().toString());

    Alignment alignment = new Alignment();
    alignment.setIdentifier(generatorService.generate(Alignment.class));
    alignment.setAlignmentType(alignmentType);
    alignment.setAndRelation(false);
    alignment.setCreated(concept.getCreated());
    alignment.setModified(concept.getModified());
    alignment.setSourceConcept(concept);

    if (alignmentType.isResource()) {

      Set<AlignmentResource> targetResources = new HashSet<AlignmentResource>();
      AlignmentResource targetResource = new AlignmentResource();

      String externalTargetResource = stmt.getObject().toString();

      targetResource.setAlignment(alignment);
      targetResource.setExternalTargetResource(externalTargetResource);

      targetResources.add(targetResource);
      alignment.setTargetResources(targetResources);

    } else {

      Set<AlignmentConcept> targetConcepts = new HashSet<AlignmentConcept>();

      AlignmentConcept targetConcept = new AlignmentConcept();
      targetConcept.setAlignment(alignment);

      String targetConceptId = stmt.getObject().toString();
      ThesaurusConcept internalTargetConcept =
          thesaurusConceptService.getThesaurusConceptById(targetConceptId);
      if (internalTargetConcept != null) {
        targetConcept.setInternalTargetConcept(internalTargetConcept);
        alignment.setInternalTargetThesaurus(internalTargetConcept.getThesaurus());
      } else {
        // Check if the concept has an ark indentifier.

        Matcher arkMt = arkPt.matcher(targetConceptId);
        Matcher urlMt = urlPt.matcher(targetConceptId);

        if (arkMt.find()) {
          setExternalThesaurus(alignment, arkMt.group());
        } else if (urlMt.find()) {
          setExternalThesaurus(alignment, urlMt.group());
        }
        targetConcept.setExternalTargetConcept(targetConceptId);
      }

      targetConcepts.add(targetConcept);
      alignment.setTargetConcepts(targetConcepts);
    }
    return alignment;
  }
  @Transactional(readOnly = false)
  @Override
  public ThesaurusConcept updateThesaurusConcept(
      ThesaurusConcept object,
      List<ThesaurusTerm> terms,
      List<AssociativeRelationship> associatedConcepts,
      List<ConceptHierarchicalRelationship> hierarchicalRelationships,
      List<ThesaurusConcept> childrenConceptToDetach,
      List<ThesaurusConcept> childrenConceptToAttach,
      List<Alignment> alignments) {

    thesaurusTermUtils.checkTerms(terms);
    alignmentService.saveExternalThesauruses(alignments);

    if (StringUtils.isNotEmpty(object.getIdentifier())) {
      List<ThesaurusTerm> existingTerms =
          thesaurusTermDAO.findTermsByConceptId(object.getIdentifier());
      for (ThesaurusTerm existingTerm : existingTerms) {
        if (!terms.contains(existingTerm)) {
          ThesaurusTerm term = thesaurusTermDAO.getById(existingTerm.getIdentifier());
          term.setConcept(null);
          thesaurusTermDAO.update(term);
          logger.info("Marking Term with ID " + existingTerm.getIdentifier() + " as SandBoxed.");
        }
      }
    } else {
      object.setIdentifier(generatorService.generate(ThesaurusConcept.class));
      for (ConceptHierarchicalRelationship hierarchicalRelationship : hierarchicalRelationships) {
        hierarchicalRelationship.getIdentifier().setChildconceptid(object.getIdentifier());
      }
      for (AssociativeRelationship relation : associatedConcepts) {
        relation.getIdentifier().setConcept1(object.getIdentifier());
      }
    }
    List<ThesaurusConcept> allRecursiveChild =
        getRecursiveChildrenByConceptId(object.getIdentifier());
    List<ThesaurusConcept> allRecursiveParents =
        getRecursiveParentsByConceptId(object.getIdentifier());

    object =
        conceptHierarchicalRelationshipServiceUtil.saveHierarchicalRelationship(
            object,
            hierarchicalRelationships,
            allRecursiveParents,
            allRecursiveChild,
            childrenConceptToDetach,
            childrenConceptToAttach);

    if (object.getStatus() == ConceptStatusEnum.CANDIDATE.getStatus()) {
      // We can set status = candidate only if concept has not relation
      // (both hierarchical or associative)
      if (!associatedConcepts.isEmpty()
          || !object.getParentConcepts().isEmpty()
          || hasChildren(object.getIdentifier())) {
        throw new BusinessException(
            "A concept must not have a status candidate when it still have relations",
            "concept-status-candidate-relation");
      }
    }

    if (object.getStatus() == ConceptStatusEnum.VALIDATED.getStatus()) {
      // Test if parent concepts are validated
      Set<ThesaurusConcept> parents = object.getParentConcepts();
      for (ThesaurusConcept parent : parents) {
        if (parent.getStatus() != ConceptStatusEnum.VALIDATED.getStatus()) {
          throw new BusinessException(
              "A concept cannot have a parent which status is not validated",
              "concept-parent-not-validated");
        }
      }
    }

    ThesaurusConcept concept = thesaurusConceptDAO.update(object);
    updateConceptTerms(concept, terms);

    alignmentService.saveAlignments(concept, alignments);
    if (!alignments.isEmpty()) {
      alignmentService.deleteExternalThesauruses();
    }
    return thesaurusConceptDAO.update(saveAssociativeRelationship(concept, associatedConcepts));
  }