/**
   * Binds the fields of the form to the persistence model.
   *
   * @param enrollment the front end model
   * @param ticket the persistent model
   */
  public void bindToHibernate(EnrollmentType enrollment, Enrollment ticket) {
    ProviderInformationType provider = XMLUtility.nsGetProvider(enrollment);
    ProviderProfile profile = ticket.getDetails();

    List<AcceptedAgreements> hList = profile.getAgreements();

    ProviderType pt =
        getLookupService().findLookupByDescription(ProviderType.class, provider.getProviderType());
    List<AgreementDocument> activeList = getLookupService().findRequiredDocuments(pt.getCode());
    Map<String, AgreementDocument> documentMap = mapDocumentsById(activeList);

    // Retain any previously accepted agreements that is no longer shown in the page
    List<AcceptedAgreements> mergedList = filterOnlyInactive(hList, documentMap);
    Map<String, AcceptedAgreements> agreementsMap = mapAgreementsByDocumentId(hList);

    AcceptedAgreementsType acceptedAgreements = XMLUtility.nsGetAcceptedAgreements(enrollment);
    List<ProviderAgreementType> xList = acceptedAgreements.getProviderAgreement();

    for (ProviderAgreementType xAgreement : xList) { // for every item checked by theuser
      String documentId = xAgreement.getAgreementDocumentId();
      if (agreementsMap.get(documentId) != null) {
        // already accepted, just retain
        mergedList.add(agreementsMap.get(documentId));

      } else {
        // newly accepted
        AcceptedAgreements agreement = new AcceptedAgreements();
        agreement.setAcceptedDate(new Date());
        agreement.setAgreementDocument(documentMap.get(documentId));
        mergedList.add(agreement);
      }
    }

    profile.setAgreements(mergedList);

    ProviderStatementType xStatement = XMLUtility.nsGetProviderStatement(enrollment);
    ProviderStatement hStatement = profile.getStatement();
    if (hStatement == null) {
      hStatement = new ProviderStatement();
      profile.setStatement(hStatement);
    }

    hStatement.setName(xStatement.getName());
    hStatement.setTitle(xStatement.getTitle());
    hStatement.setDate(BinderUtils.toDate(xStatement.getSignDate()));
  }