| 1 | <?php namespace GenericCollections\Internal; |
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| 3 | abstract class DataDoubleLinkedList implements StorageInterface |
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| 4 | { |
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| 5 | /** |
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| 6 | * Local storage for members |
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| 7 | * |
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| 8 | * @var DoubleLinkedList |
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| 9 | */ |
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| 10 | protected $storage; |
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| 11 | |||
| 12 | /** |
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| 13 | * Create a new empty DoubleLinkedList and set it |
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| 14 | * on protected variable $storage |
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| 15 | * |
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| 16 | * @return void |
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| 17 | */ |
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| 18 | abstract protected function createStorageObject(); |
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| 19 | |||
| 20 | 3 | public function clear() |
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| 24 | |||
| 25 | 78 | public function isEmpty() |
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| 29 | |||
| 30 | 66 | public function toArray() |
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| 38 | |||
| 39 | 87 | public function count() |
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| 43 | |||
| 44 | 3 | public function getIterator() |
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| 48 | } |
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| 49 |