public boolean hasShipType(String descricao) {
    Tbshiptype shipType = null;
    List<Tbshiptype> embarcacoes = null;

    try {

      embarcacoes = shipTypeService.getShipTypeByDescription(descricao);

      if (embarcacoes != null && !embarcacoes.isEmpty()) {

        FacesMessageUtil.addErrorMessage(
            FacesContext.getCurrentInstance(),
            "msgsGrowl",
            FacesMessageUtil.getMessage("label_embarcacao_ja_cadastrado", null),
            null);
        FacesContext.getCurrentInstance().validationFailed();
        return true;
        // FacesContext.getCurrentInstance().validationFailed();

      }

    } catch (Exception e) {

      FacesMessageUtil.addGlobalErrorMessage(
          FacesContext.getCurrentInstance(), e.getMessage(), null);
      e.printStackTrace();
    }

    return false;
  }
  public void updateShipType(Tbshiptype shipType) {
    try {
      shipTypeService.updateShipType(shipType);
      FacesMessageUtil.addInfoMessage(
          FacesContext.getCurrentInstance(),
          "msgsGrowl",
          FacesMessageUtil.getMessage("label_msg_sucesso_salvar_tipo_embarcacao", null),
          null);

    } catch (Exception e) {
      FacesMessageUtil.addGlobalErrorMessage(
          FacesContext.getCurrentInstance(), e.getMessage(), null);
      e.printStackTrace();
    }
  }
  public List<Tbshiptype> listShipsType() {
    List<Tbshiptype> shipsType = null;

    try {
      shipsType = shipTypeService.getAllShipsType();

    } catch (Exception e) {
      FacesMessageUtil.addGlobalErrorMessage(
          FacesContext.getCurrentInstance(), e.getMessage(), null);
      e.printStackTrace();
    }

    return shipsType;
  }