1 | <?php |
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11 | abstract class Orderable |
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12 | { |
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13 | /** |
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14 | * Will return an orderable configuration that does not allow ordering. |
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15 | * @return NoneOrderable |
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16 | */ |
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17 | public static function NONE() |
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21 | |||
22 | /** |
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23 | * Will return an orderable configuration that does allow ordering but only on asc. |
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24 | * @return AscOrderable |
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25 | */ |
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26 | public static function ASC() |
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30 | |||
31 | /** |
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32 | * Will return an orderable configuration that does allow ordering but only on desc. |
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33 | * @return DescOrderable |
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34 | */ |
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35 | public static function DESC() |
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39 | |||
40 | /** |
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41 | * Will return an orderable configuration that does allow ordering on both directions. |
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42 | * @return BothOrderable |
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43 | */ |
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44 | public static function BOTH() |
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48 | |||
49 | /** |
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50 | * Will determine if the current configuration allows ordering. |
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51 | * @return bool True if the column can be ordered, false if not. |
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52 | */ |
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53 | abstract public function isOrderable(); |
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54 | } |