[LockManager] Moved ScopedLock to its own file.
authorAaron Schulz <aschulz@wikimedia.org>
Fri, 14 Dec 2012 21:06:39 +0000 (13:06 -0800)
committerAaron Schulz <aschulz@wikimedia.org>
Fri, 14 Dec 2012 21:08:05 +0000 (13:08 -0800)
Change-Id: I7430604d3a23a25e8b82036b022336a73cbbc996

includes/AutoLoader.php
includes/filebackend/lockmanager/LockManager.php
includes/filebackend/lockmanager/ScopedLock.php [new file with mode: 0644]

index bd996a2..05929d2 100644 (file)
@@ -563,7 +563,7 @@ $wgAutoloadLocalClasses = array(
        'NullFileJournal' => 'includes/filebackend/filejournal/FileJournal.php',
        'LockManagerGroup' => 'includes/filebackend/lockmanager/LockManagerGroup.php',
        'LockManager' => 'includes/filebackend/lockmanager/LockManager.php',
-       'ScopedLock' => 'includes/filebackend/lockmanager/LockManager.php',
+       'ScopedLock' => 'includes/filebackend/lockmanager/ScopedLock.php',
        'FSLockManager' => 'includes/filebackend/lockmanager/FSLockManager.php',
        'DBLockManager' => 'includes/filebackend/lockmanager/DBLockManager.php',
        'LSLockManager' => 'includes/filebackend/lockmanager/LSLockManager.php',
index 07853f8..51454a4 100644 (file)
@@ -122,72 +122,6 @@ abstract class LockManager {
        abstract protected function doUnlock( array $paths, $type );
 }
 
-/**
- * Self-releasing locks
- *
- * LockManager helper class to handle scoped locks, which
- * release when an object is destroyed or goes out of scope.
- *
- * @ingroup LockManager
- * @since 1.19
- */
-class ScopedLock {
-       /** @var LockManager */
-       protected $manager;
-       /** @var Status */
-       protected $status;
-       /** @var Array List of resource paths*/
-       protected $paths;
-
-       protected $type; // integer lock type
-
-       /**
-        * @param $manager LockManager
-        * @param $paths Array List of storage paths
-        * @param $type integer LockManager::LOCK_* constant
-        * @param $status Status
-        */
-       protected function __construct(
-               LockManager $manager, array $paths, $type, Status $status
-       ) {
-               $this->manager = $manager;
-               $this->paths = $paths;
-               $this->status = $status;
-               $this->type = $type;
-       }
-
-       /**
-        * Get a ScopedLock object representing a lock on resource paths.
-        * Any locks are released once this object goes out of scope.
-        * The status object is updated with any errors or warnings.
-        *
-        * @param $manager LockManager
-        * @param $paths Array List of storage paths
-        * @param $type integer LockManager::LOCK_* constant
-        * @param $status Status
-        * @return ScopedLock|null Returns null on failure
-        */
-       public static function factory(
-               LockManager $manager, array $paths, $type, Status $status
-       ) {
-               $lockStatus = $manager->lock( $paths, $type );
-               $status->merge( $lockStatus );
-               if ( $lockStatus->isOK() ) {
-                       return new self( $manager, $paths, $type, $status );
-               }
-               return null;
-       }
-
-       function __destruct() {
-               $wasOk = $this->status->isOK();
-               $this->status->merge( $this->manager->unlock( $this->paths, $this->type ) );
-               if ( $wasOk ) {
-                       // Make sure status is OK, despite any unlockFiles() fatals
-                       $this->status->setResult( true, $this->status->value );
-               }
-       }
-}
-
 /**
  * Version of LockManager that uses a quorum from peer servers for locks.
  * The resource space can also be sharded into separate peer groups.
diff --git a/includes/filebackend/lockmanager/ScopedLock.php b/includes/filebackend/lockmanager/ScopedLock.php
new file mode 100644 (file)
index 0000000..5a80bee
--- /dev/null
@@ -0,0 +1,89 @@
+<?php
+/**
+ * Resource locking handling.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @ingroup LockManager
+ * @author Aaron Schulz
+ */
+
+/**
+ * Self-releasing locks
+ *
+ * LockManager helper class to handle scoped locks, which
+ * release when an object is destroyed or goes out of scope.
+ *
+ * @ingroup LockManager
+ * @since 1.19
+ */
+class ScopedLock {
+       /** @var LockManager */
+       protected $manager;
+       /** @var Status */
+       protected $status;
+       /** @var Array List of resource paths*/
+       protected $paths;
+
+       protected $type; // integer lock type
+
+       /**
+        * @param $manager LockManager
+        * @param $paths Array List of storage paths
+        * @param $type integer LockManager::LOCK_* constant
+        * @param $status Status
+        */
+       protected function __construct(
+               LockManager $manager, array $paths, $type, Status $status
+       ) {
+               $this->manager = $manager;
+               $this->paths = $paths;
+               $this->status = $status;
+               $this->type = $type;
+       }
+
+       /**
+        * Get a ScopedLock object representing a lock on resource paths.
+        * Any locks are released once this object goes out of scope.
+        * The status object is updated with any errors or warnings.
+        *
+        * @param $manager LockManager
+        * @param $paths Array List of storage paths
+        * @param $type integer LockManager::LOCK_* constant
+        * @param $status Status
+        * @return ScopedLock|null Returns null on failure
+        */
+       public static function factory(
+               LockManager $manager, array $paths, $type, Status $status
+       ) {
+               $lockStatus = $manager->lock( $paths, $type );
+               $status->merge( $lockStatus );
+               if ( $lockStatus->isOK() ) {
+                       return new self( $manager, $paths, $type, $status );
+               }
+               return null;
+       }
+
+       function __destruct() {
+               $wasOk = $this->status->isOK();
+               $this->status->merge( $this->manager->unlock( $this->paths, $this->type ) );
+               if ( $wasOk ) {
+                       // Make sure status is OK, despite any unlockFiles() fatals
+                       $this->status->setResult( true, $this->status->value );
+               }
+       }
+}