|  | @@ -58,7 +58,7 @@ abstract class LuBusiness {
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			| 58 | 58 |       * @param $id int
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			| 59 | 59 |       * @return LuDbo
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			| 60 | 60 |       */
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			| 61 |  | -    public static function getById($id)
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			|  | 61 | +    public static function getSingleById($id)
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			| 62 | 62 |      {
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			| 63 | 63 |          $data = static::getDataAccess()->getSingleById($id);
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			| 64 | 64 |          if (is_null($data)) {
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			|  | @@ -71,13 +71,35 @@ abstract class LuBusiness {
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			| 71 | 71 |       * @param $id int
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			| 72 | 72 |       * @return LuDbo
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			| 73 | 73 |       */
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			| 74 |  | -    public static function deleteById($id)
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			|  | 74 | +    public static function deleteSingleById($id)
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			| 75 | 75 |      {
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			| 76 |  | -        $dbo = static::getById($id);
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			|  | 76 | +        $dbo = static::getSingleById($id);
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			| 77 | 77 |          static::getDataAccess()->deleteSingleById($id);
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			| 78 | 78 |          return $dbo;
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			| 79 | 79 |      }
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			| 80 | 80 |  
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			|  | 81 | +    /**
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			|  | 82 | +     * @param $dbo LuDbo
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			|  | 83 | +     * @return LuDbo
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			|  | 84 | +     */
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			|  | 85 | +    public static function addSingleId($dbo)
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			|  | 86 | +    {
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			|  | 87 | +        $id = static::getDataAccess()->addSingleId($dbo);
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			|  | 88 | +        return static::getSingleById($id);
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			|  | 89 | +    }
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			|  | 90 | +
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			|  | 91 | +    /**
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			|  | 92 | +     * @param $id int
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			|  | 93 | +     * @param $dbo LuDbo
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			|  | 94 | +     * @return LuDbo
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			|  | 95 | +     */
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			|  | 96 | +    public static function editSingleById($id, $dbo)
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			|  | 97 | +    {
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			|  | 98 | +        static::getSingleById($id);
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			|  | 99 | +        static::getDataAccess()->editSingleById($dbo, $id);
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			|  | 100 | +        return static::getSingleById($id);
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			|  | 101 | +    }
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			|  | 102 | +
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			| 81 | 103 |      /**
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			| 82 | 104 |       * @return LuDataAccess
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			| 83 | 105 |       */
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