@Transactional
  @Override
  public CommandProcessingResult createOffice(final JsonCommand command) {

    try {
      final AppUser currentUser = context.authenticatedUser();

      this.fromApiJsonDeserializer.validateForCreate(command.json());

      Long parentId = null;
      if (command.parameterExists("parentId")) {
        parentId = command.longValueOfParameterNamed("parentId");
      }

      final Office parent = validateUserPriviledgeOnOfficeAndRetrieve(currentUser, parentId);
      final Office office = Office.fromJson(parent, command);

      // pre save to generate id for use in office hierarchy
      this.officeRepository.save(office);

      office.generateHierarchy();

      this.officeRepository.save(office);

      return new CommandProcessingResultBuilder() //
          .withCommandId(command.commandId()) //
          .withEntityId(office.getId()) //
          .withOfficeId(office.getId()) //
          .build();
    } catch (DataIntegrityViolationException dve) {
      handleOfficeDataIntegrityIssues(command, dve);
      return CommandProcessingResult.empty();
    }
  }
  @Transactional
  @Override
  @Caching(
      evict = {
        @CacheEvict(
            value = "offices",
            key =
                "T(org.mifosplatform.infrastructure.core.service.ThreadLocalContextUtil).getTenant().getTenantIdentifier().concat(#root.target.context.authenticatedUser().getOffice().getHierarchy()+'of')"),
        @CacheEvict(
            value = "officesForDropdown",
            key =
                "T(org.mifosplatform.infrastructure.core.service.ThreadLocalContextUtil).getTenant().getTenantIdentifier().concat(#root.target.context.authenticatedUser().getOffice().getHierarchy()+'ofd')")
      })
  public CommandProcessingResult createOffice(final JsonCommand command) {

    try {
      final AppUser currentUser = context.authenticatedUser();

      this.fromApiJsonDeserializer.validateForCreate(command.json());

      Long parentId = null;
      if (command.parameterExists("parentId")) {
        parentId = command.longValueOfParameterNamed("parentId");
      }

      final Office parent = validateUserPriviledgeOnOfficeAndRetrieve(currentUser, parentId);
      final Office office = Office.fromJson(parent, command);

      // pre save to generate id for use in office hierarchy
      this.officeRepository.save(office);

      office.generateHierarchy();

      this.officeRepository.save(office);

      return new CommandProcessingResultBuilder() //
          .withCommandId(command.commandId()) //
          .withEntityId(office.getId()) //
          .withOfficeId(office.getId()) //
          .build();
    } catch (DataIntegrityViolationException dve) {
      handleOfficeDataIntegrityIssues(command, dve);
      return CommandProcessingResult.empty();
    }
  }