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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * @author: Doug Wilbourne (dougwilbourne@gmail.com) |
| 5 | */ |
| 6 | declare(strict_types=1); |
| 7 | |
| 8 | namespace pvc\struct\tree\node; |
| 9 | |
| 10 | use pvc\interfaces\struct\collection\CollectionFactoryInterface; |
| 11 | use pvc\interfaces\struct\collection\CollectionInterface; |
| 12 | use pvc\interfaces\struct\tree\node\TreenodeFactoryInterface; |
| 13 | use pvc\interfaces\struct\tree\node\TreenodeInterface; |
| 14 | use pvc\interfaces\struct\tree\tree\TreeInterface; |
| 15 | |
| 16 | /** |
| 17 | * Class TreenodeFactory |
| 18 | * |
| 19 | * Tree and TreenodeFactory are mutually dependent. The constructors are set up so that you create |
| 20 | * TreenodeFactory first without its tree dependency, use TreenodeFactory in the construction of a new tree, |
| 21 | * and then go back and set the tree property in TreenodeFactory. Tree factory does all this in the method |
| 22 | * makeTree. |
| 23 | * |
| 24 | * @template TreenodeType of TreenodeInterface |
| 25 | * @template CollectionType of CollectionInterface |
| 26 | * @template TreeType of TreeInterface |
| 27 | * @implements TreenodeFactoryInterface<TreenodeType, CollectionType> |
| 28 | */ |
| 29 | abstract class TreenodeFactory implements TreenodeFactoryInterface |
| 30 | { |
| 31 | /** |
| 32 | * @param CollectionFactoryInterface<TreenodeType, CollectionType> $collectionFactory |
| 33 | */ |
| 34 | public function __construct( |
| 35 | protected CollectionFactoryInterface $collectionFactory, |
| 36 | ) { |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * @return CollectionType |
| 41 | */ |
| 42 | public function makeCollection(): CollectionInterface |
| 43 | { |
| 44 | /** @var array<TreenodeType> $array */ |
| 45 | $array = []; |
| 46 | /** @var CollectionType $collection */ |
| 47 | $collection = $this->collectionFactory->makeCollection($array); |
| 48 | return $collection; |
| 49 | } |
| 50 | } |