@Override
  public void removeRequest(Requests request) {
    if (null != request) {

      org.hibernate.Session sess = sessionFactory.getCurrentSession();
      request = (Requests) sess.get(Requests.class, request.getId());
      List<Contacts> contTemp = request.getContacts();
      List<Products> prodTemp = request.getProducts();

      if (contTemp != null && contTemp.size() != 0) {

        sess.enableFetchProfile("requests-with-products");
        contTemp = contactsDAO.getFromProxy(contTemp);
        for (Contacts contact : contTemp) {
          contact.getConnectedRequests().remove(request);
          sess.update(contact);
        }
      }
      if (prodTemp != null && prodTemp.size() != 0) {
        sess.enableFetchProfile("requests-with-products");
        prodTemp = productsDAO.getFromProxy(prodTemp);
        for (Products product : prodTemp) {
          product.getRequestsForProduct().remove(request);
          sess.update(product);
        }
      }
      sess.update(request);
      sessionFactory.getCurrentSession().delete(request);
    }
  }
  @Override
  public void addRequest(Requests request) {

    sessionFactory.getCurrentSession().save(request);
    List<Contacts> contTemp = request.getContacts();
    List<Products> prodTemp = request.getProducts();

    if (contTemp != null && contTemp.size() != 0) {
      org.hibernate.Session sess = sessionFactory.getCurrentSession();
      sess.enableFetchProfile("requests-with-products");
      contTemp = contactsDAO.getFromProxy(contTemp);
      for (Contacts contact : contTemp) {
        contact.getConnectedRequests().add(request);
        contactsDAO.changeContact(contact);
      }
    }
    if (prodTemp != null && prodTemp.size() != 0) {
      org.hibernate.Session sess = sessionFactory.getCurrentSession();
      sess.enableFetchProfile("requests-with-products");
      prodTemp = productsDAO.getFromProxy(prodTemp);
      for (Products product : prodTemp) {
        product.getRequestsForProduct().add(request);
        productsDAO.changeProduct(product);
      }
    }
  }