public List<Role> getRoleList() {

    if (roleList == null || insertDelete == true) {

      roleList = roleService.findAll();
    }
    return roleList;
  }
  public void searchRolename() {

    if (getSearchRoleName() == null || getSearchRoleName().trim().equals("")) {
      this.roleList = null;
      this.roleDataModel = null;
    } else {
      this.roleList = roleService.findRoleByRoleName(getSearchRoleName());
      this.roleDataModel = null;
    }
  }