beginTransaction(); try { $result = $fn(); $db->commit(); return $result; } catch (Throwable $e) { $db->rollBack(); throw $e; } } /** * Wrapper around atomic() to retry after a retryable exception occurred * * Certain transactions might need to be retried. This is especially useful * in highly concurrent requests where a deadlocks is thrown by the database * without waiting for the lock to be freed (e.g. due to MySQL/MariaDB deadlock * detection) * * @template T * @param callable $fn * @psalm-param callable():T $fn * @param IDBConnection $db * @param int $maxRetries * * @return mixed the result of the passed callable * @psalm-return T * * @throws Exception for possible errors of commit or rollback or the custom operations within the closure * @throws Throwable any other error caused by the closure * * @since 27.0.0 */ protected function atomicRetry(callable $fn, IDBConnection $db, int $maxRetries = 3): mixed { for ($i = 0; $i < $maxRetries; $i++) { try { return $this->atomic($fn, $db); } catch (DbalException $e) { if (!$e->isRetryable() || $i === ($maxRetries - 1)) { throw $e; } logger('core')->warning('Retrying operation after retryable exception.', [ 'exception' => $e ]); } } } } n value='add-VersionCreatedEvent'>add-VersionCreatedEvent Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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<?xml version="1.0"?>
<psalm
	errorLevel="4"
	resolveFromConfigFile="true"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="https://getpsalm.org/schema/config"
	xsi:schemaLocation="https://getpsalm.org/schema/config"
    errorBaseline="build/psalm-baseline.xml"
>
	<plugins>
		<plugin filename="build/psalm/AppFrameworkTainter.php" />
	</plugins>
	<projectFiles>
		<directory name="apps/admin_audit"/>
		<directory name="apps/cloud_federation_api"/>
		<directory name="apps/comments"/>
		<directory name="apps/contactsinteraction"/>
		<directory name="apps/dashboard"/>
		<directory name="apps/dav"/>
		<directory name="apps/encryption"/>
		<directory name="apps/federatedfilesharing"/>
		<directory name="apps/federation"/>
		<directory name="apps/files"/>
		<directory name="apps/files_external"/>
		<directory name="apps/files_sharing"/>
		<directory name="apps/files_trashbin"/>
		<directory name="apps/files_versions"/>
		<directory name="apps/lookup_server_connector"/>
		<directory name="apps/oauth2"/>
		<directory name="apps/provisioning_api"/>
		<directory name="apps/settings"/>
		<directory name="apps/sharebymail"/>
		<directory name="apps/systemtags"/>
		<directory name="apps/testing"/>
		<directory name="apps/theming"/>
		<directory name="apps/twofactor_backupcodes"/>
		<directory name="apps/updatenotification"/>
		<directory name="apps/user_ldap"/>
		<directory name="apps/user_status"/>
		<directory name="apps/weather_status"/>
		<directory name="apps/workflowengine"/>
		<directory name="core"/>
		<directory name="lib"/>
		<directory name="ocm-provider"/>
		<directory name="ocs"/>
		<directory name="ocs-provider"/>
		<file name="index.php"/>
		<file name="public.php"/>
		<file name="remote.php"/>
		<file name="status.php"/>
		<file name="version.php"/>
		<ignoreFiles>
			<directory name="apps/**/composer"/>
			<directory name="apps/**/tests"/>
			<directory name="apps/files_external/3rdparty"/>
			<directory name="lib/composer"/>
			<directory name="lib/l10n"/>
		</ignoreFiles>
	</projectFiles>
	<extraFiles>
		<directory name="3rdparty"/>
		<directory name="apps/files_external/3rdparty"/>
	</extraFiles>
	<stubs>
		<file name="build/stubs/apcu.php"/>
		<file name="build/stubs/gd.php"/>
		<file name="build/stubs/imagick.php"/>
		<file name="build/stubs/intl.php"/>
		<file name="build/stubs/IntlChar.php"/>
		<file name="build/stubs/ldap.php"/>
		<file name="build/stubs/memcached.php"/>
		<file name="build/stubs/redis.php"/>
		<file name="build/stubs/redis_cluster.php"/>
		<file name="build/stubs/sftp.php"/>
		<file name="build/stubs/ssh2.php"/>
		<file name="build/stubs/xsl.php"/>
		<file name="build/stubs/ftp.php"/>
		<file name="build/stubs/pcntl.php"/>
		<file name="build/stubs/zip.php"/>
	</stubs>
	<issueHandlers>
		<UndefinedClass>
			<errorLevel type="suppress">
				<referencedClass name="OCA\GroupFolders\Mount\GroupFolderStorage"/>
				<referencedClass name="OCA\TwoFactorNextcloudNotification\Controller\APIController"/>
			</errorLevel>
		</UndefinedClass>
		<UndefinedFunction>
			<errorLevel type="suppress">
				<!-- template functions: https://github.com/nextcloud/server/blob/6e8e34fef920a073118c22111f0f31eb3b3a91dc/lib/private/legacy/template/functions.php -->
				<referencedFunction name="p"/>
				<referencedFunction name="emit_css_tag"/>
				<referencedFunction name="emit_css_loading_tags"/>
				<referencedFunction name="emit_script_tag"/>
				<referencedFunction name="emit_script_loading_tags"/>
				<referencedFunction name="print_unescaped"/>
				<referencedFunction name="script"/>
				<referencedFunction name="vendor_script"/>
				<referencedFunction name="style"/>
				<referencedFunction name="vendor_style"/>
				<referencedFunction name="translation"/>
				<referencedFunction name="component"/>
				<referencedFunction name="link_to"/>
				<referencedFunction name="link_to_docs"/>
				<referencedFunction name="image_path"/>
				<referencedFunction name="mimetype_icon"/>
				<referencedFunction name="preview_icon"/>
				<referencedFunction name="publicPreview_icon"/>
				<referencedFunction name="human_file_size"/>
				<referencedFunction name="strip_time"/>
				<referencedFunction name="relative_modified_date"/>
				<referencedFunction name="html_select_options"/>
			</errorLevel>
		</UndefinedFunction>
		<UndefinedGlobalVariable>
			<errorLevel type="suppress">
				<referencedVariable name="$_"/>
				<referencedVariable name="$l"/>
				<referencedVariable name="$theme"/>
				<!-- false positive: https://github.com/nextcloud/server/blob/cb057829f72c70e819f456edfadbb29d72dba832/lib/private/Console/Application.php#L92 -->
				<file name="core/register_command.php" />
			</errorLevel>
		</UndefinedGlobalVariable>
		<UndefinedDocblockClass>
			<errorLevel type="suppress">
				<!-- Helper classes for sharing API integration from other apps -->
				<referencedClass name="OCA\Deck\Sharing\ShareAPIHelper" />
				<referencedClass name="OCA\Talk\Share\Helper\DeletedShareAPIController" />
			</errorLevel>
		</UndefinedDocblockClass>
	</issueHandlers>
</psalm>