blob: bbb2a6b26a7337dc320ae21c2e818dea4844b8fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
<?php
/**
* SchemaVersion.php - schema version interface for migrations
*
* This interface provides an abstract way to retrieve and set the current
* version of a schema. Implementations of this interface need to define
* where the version information is actually stored (e.g. in a file).
*
* @author Marcus Lunzenauer <mlunzena@uos.de>
* @copyright 2007 - Marcus Lunzenauer <mlunzena@uos.de>
* @license GPL2 or any later version
* @package migrations
*/
interface SchemaVersion
{
/**
* Returns current schema version (as maximum number).
*
* @return int schema version
*/
public function get();
/**
* Returns whether the given version is already present for the given
* domain.
*
* @param int $version Version number
* @return bool
*/
public function contains($version);
/**
* Adds a schema version.
*
* @param int $version schema version
*/
public function add($version);
/**
* Removes a schema version.
*
* @param int $version schema version
*/
public function remove($version);
}
|