1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * @deprecated
15:  */
16: abstract class FreezableObject extends Object implements IFreezable
17: {
18:     /** @var bool */
19:     private $frozen = FALSE;
20: 
21: 
22:     /**
23:      * Makes the object unmodifiable.
24:      * @return void
25:      */
26:     public function freeze()
27:     {
28:         $this->frozen = TRUE;
29:     }
30: 
31: 
32:     /**
33:      * Is the object unmodifiable?
34:      * @return bool
35:      */
36:     public function isFrozen()
37:     {
38:         return $this->frozen;
39:     }
40: 
41: 
42:     /**
43:      * Creates a modifiable clone of the object.
44:      * @return void
45:      */
46:     public function __clone()
47:     {
48:         $this->frozen = FALSE;
49:     }
50: 
51: 
52:     /**
53:      * @return void
54:      */
55:     protected function updating()
56:     {
57:         if ($this->frozen) {
58:             $class = get_class($this);
59:             throw new InvalidStateException("Cannot modify a frozen object $class.");
60:         }
61:     }
62: 
63: }
64: