1: <?php
 2: /**
 3:  * PHP version 5
 4:  * @package    generalDriver
 5:  * @author     Christian Schiffler <c.schiffler@cyberspectrum.de>
 6:  * @author     Stefan Heimes <stefan_heimes@hotmail.com>
 7:  * @author     Tristan Lins <tristan.lins@bit3.de>
 8:  * @copyright  The MetaModels team.
 9:  * @license    LGPL.
10:  * @filesource
11:  */
12: 
13: namespace DcGeneral;
14: 
15: use DcGeneral\DataDefinition\ContainerInterface;
16: use DcGeneral\Exception\DcGeneralInvalidArgumentException;
17: 
18: /**
19:  * Default implementation of the data definition container.
20:  *
21:  * This container holds all created data definitions.
22:  *
23:  * @package DcGeneral
24:  */
25: class DataDefinitionContainer
26:     implements DataDefinitionContainerInterface
27: {
28:     /**
29:      * The definitions stored in the container.
30:      *
31:      * @var ContainerInterface[]
32:      */
33:     protected $definitions;
34: 
35:     /**
36:      * {@inheritDoc}
37:      */
38:     public function setDefinition($name, $definition)
39:     {
40:         if ($definition)
41:         {
42:             $this->definitions[$name] = $definition;
43:         }
44:         else
45:         {
46:             unset($this->definitions[$name]);
47:         }
48: 
49:         return $this;
50:     }
51: 
52:     /**
53:      * {@inheritDoc}
54:      */
55:     public function hasDefinition($name)
56:     {
57:         return isset($this->definitions[$name]);
58:     }
59: 
60:     /**
61:      * {@inheritDoc}
62:      *
63:      * @throws DcGeneralInvalidArgumentException When a definition is requested that is not contained.
64:      */
65:     public function getDefinition($name)
66:     {
67:         if (!$this->hasDefinition($name))
68:         {
69:             throw new DcGeneralInvalidArgumentException('Data definition ' . $name . ' is not contained.');
70:         }
71: 
72:         return $this->definitions[$name];
73:     }
74: }
75: