| 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 |