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Classes and Traits |
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CRAP | |
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NullLockManager | |
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doLock | |
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doUnlock | |
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5.03 |
1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | */ |
20 | |
21 | /** |
22 | * Simple lock management based on in-process reference counting. |
23 | * |
24 | * @since 1.19 |
25 | * @ingroup LockManager |
26 | */ |
27 | class NullLockManager extends LockManager { |
28 | protected function doLock( array $paths, $type ) { |
29 | foreach ( $paths as $path ) { |
30 | if ( isset( $this->locksHeld[$path][$type] ) ) { |
31 | ++$this->locksHeld[$path][$type]; |
32 | } else { |
33 | $this->locksHeld[$path][$type] = 1; |
34 | } |
35 | } |
36 | |
37 | return StatusValue::newGood(); |
38 | } |
39 | |
40 | protected function doUnlock( array $paths, $type ) { |
41 | $status = StatusValue::newGood(); |
42 | |
43 | foreach ( $paths as $path ) { |
44 | if ( isset( $this->locksHeld[$path][$type] ) ) { |
45 | if ( --$this->locksHeld[$path][$type] <= 0 ) { |
46 | unset( $this->locksHeld[$path][$type] ); |
47 | if ( !$this->locksHeld[$path] ) { |
48 | unset( $this->locksHeld[$path] ); // clean up |
49 | } |
50 | } |
51 | } else { |
52 | $status->warning( 'lockmanager-notlocked', $path ); |
53 | } |
54 | } |
55 | |
56 | return $status; |
57 | } |
58 | } |