1: <?php
 2: 
 3: namespace Charcoal\Model\Service;
 4: 
 5: // From PSR-6
 6: use Psr\Cache\CacheItemPoolInterface;
 7: 
 8: // From 'charcoal-factory'
 9: use Charcoal\Factory\FactoryInterface;
10: 
11: // From 'charcoal-core'
12: use Charcoal\Model\Service\ModelLoader;
13: 
14: /**
15:  * Model Loader Builder.
16:  *
17:  * Build custom ModelLoader objects with a certain obj type / optional obj key.
18:  */
19: final class ModelLoaderBuilder
20: {
21:     /**
22:      * @var FactoryInterface
23:      */
24:     private $factory;
25: 
26:     /**
27:      * @var CacheItemPoolInterface
28:      */
29:     private $cachePool;
30: 
31:     /**
32:      * @param array $data Builder dependencies.
33:      */
34:     public function __construct(array $data)
35:     {
36:         $this->setFactory($data['factory']);
37:         $this->setCachePool($data['cache']);
38:     }
39: 
40:     /**
41:      * @param string $objType The object type of the ModelLoader.
42:      * @param string $objKey  Optional object key, to set on the ModelLoader.
43:      * @return ModelLoader
44:      */
45:     public function build($objType, $objKey = null)
46:     {
47:         return new ModelLoader([
48:             'factory'   => $this->factory,
49:             'cache'     => $this->cachePool,
50:             'obj_type'  => $objType,
51:             'obj_key'   => $objKey
52:         ]);
53:     }
54: 
55:     /**
56:      * The builder can be invoked (used as function).
57:      *
58:      * @param string $objType The object type of the ModelLoader.
59:      * @param string $objKey  Optional object key, to set on the ModelLoader.
60:      * @return ModelLoader
61:      */
62:     public function __invoke($objType, $objKey = null)
63:     {
64:         return $this->build($objType, $objKey);
65:     }
66: 
67:     /**
68:      * @param FactoryInterface $factory The factory to use to create models.
69:      * @return ModelLoaderBuilder Chainable
70:      */
71:     private function setFactory(FactoryInterface $factory)
72:     {
73:         $this->factory = $factory;
74: 
75:         return $this;
76:     }
77: 
78:     /**
79:      * @param CacheItemPoolInterface $cachePool The PSR-6 compliant cache pool.
80:      * @return ModelLoaderBuilder Chainable
81:      */
82:     private function setCachePool(CacheItemPoolInterface $cachePool)
83:     {
84:         $this->cachePool = $cachePool;
85: 
86:         return $this;
87:     }
88: }
89: