1: <?php
 2: 
 3: namespace vierbergenlars\Forage\ODM\HydrationSettings;
 4: 
 5: use vierbergenlars\Forage\ODM\HydrationSettingsInterface;
 6: use Defer\Object as Defer;
 7: use vierbergenlars\Forage\ODM\SearchHit;
 8: 
 9: /**
10:  * Base class for hydration strategies that use vierbergenlars/defer to hydrate their objects
11:  */
12: abstract class DeferHydration implements HydrationSettingsInterface
13: {
14: 
15:     /**
16:      * Gets the properties to be injected in the object
17:      * @param string|int $id The id of the document received from the search query
18:      * @param array $document The document received from the search query
19:      * @return array A map of object properties to values
20:      */
21:     abstract public function getParameters($id, array $document);
22: 
23:     /**
24:      * Gets the class name of the object that will be hydrated
25:      * @param string|int $id The id of the document received from the search query
26:      * @param array $document The document received from the search query
27:      * @return string A fully qualified class name. (Should implement {@link Defer\Deferrable})
28:      */
29:     abstract public function getClass($id, array $document);
30: 
31:     /**
32:      * Gets the object from a document
33:      * @param array $document
34:      * @return object
35:      */
36:     public function getObject(SearchHit $hit)
37:     {
38:         $document = $hit->getDocument();
39:         array_walk($document, function(&$field) {
40:             if(is_array($field))
41:                 $field = new \ArrayObject($field);
42:         });
43:         $id = $hit->getId();
44:         $data = $this->getParameters($id, $document);
45:         $class = $this->getClass($id, $document);
46:         return Defer::defer($data, $class);
47:     }
48: 
49: }
50: