1: <?php
 2: 
 3: namespace Alchemy\orm;
 4: use Alchemy\core\schema\Table;
 5: use Alchemy\util\DataTypeLexer;
 6: 
 7: 
 8: /**
 9:  * Defines a table aware of relationships and other abstractions
10:  */
11: class ORMTable extends Table {
12: 
13:     protected $relationships = array();
14: 
15: 
16:     public function getClass() {
17:         return $this->args['class'];
18:     }
19: 
20: 
21:     public function getRef() {
22:         return new ORMTableRef($this);
23:     }
24: 
25: 
26:     public function addRelationship($name, $rel) {
27:         if (is_string($rel)) {
28:             $type = new DataTypeLexer($rel);
29:             $t = $type->getType();
30:             $rel = Relationship::$t($type->getArgs(), $this, $name);
31:         }
32: 
33:         $this->args['relationships'][$name] = $rel;
34:         $this->relationships[$name] = $rel;
35:     }
36: 
37: 
38:     public function getRelationship($name) {
39:         if (!array_key_exists($name, $this->relationships)) {
40:             if (array_key_exists($name, $this->args['relationships'])) {
41:                 $this->addRelationship($name, $this->args['relationships'][$name]);
42:             } else {
43:                 throw new \Exception("Unknown relationship '{$this->name}.{$name}'");
44:             }
45:         }
46: 
47:         return $this->relationships[$name];
48:     }
49: 
50: 
51:     public function hasRelationship($name) {
52:         return array_key_exists($name, $this->args['relationships']);
53:     }
54: 
55: 
56:     public function listRelationships() {
57:         $this->resolve();
58:         return $this->relationships;
59:     }
60: 
61: 
62:     protected function resolve() {
63:         if ($this->resolved) return;
64:         parent::resolve();
65: 
66:         foreach ($this->args['relationships'] as $name => $rel) {
67:             $rel = $this->getRelationship($name);
68:         }
69:     }
70: }
71: