1: <?php
2:
3: /**
4: * This file is part of the Nette Framework (https://nette.org)
5: * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
6: */
7:
8: namespace Nette;
9:
10: use Nette;
11:
12:
13: /**
14: * Object that has a modifiable and a read-only (frozen) state.
15: *
16: * @author David Grudl
17: */
18: interface IFreezable
19: {
20:
21: /**
22: * Makes the object unmodifiable.
23: * @return void
24: */
25: function freeze();
26:
27: /**
28: * Is the object unmodifiable?
29: * @return bool
30: */
31: function isFrozen();
32:
33: }
34: