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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCP;
/**
* Interface ILogger
* @package OCP
* @since 7.0.0
*
* This logger interface follows the design guidelines of PSR-3
* https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md#3-psrlogloggerinterface
*/
interface ILogger {
/**
* System is unusable.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function emergency($message, array $context = array());
/**
* Action must be taken immediately.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function alert($message, array $context = array());
/**
* Critical conditions.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function critical($message, array $context = array());
/**
* Runtime errors that do not require immediate action but should typically
* be logged and monitored.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function error($message, array $context = array());
/**
* Exceptional occurrences that are not errors.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function warning($message, array $context = array());
/**
* Normal but significant events.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function notice($message, array $context = array());
/**
* Interesting events.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function info($message, array $context = array());
/**
* Detailed debug information.
*
* @param string $message
* @param array $context
* @return null
* @since 7.0.0
*/
public function debug($message, array $context = array());
/**
* Logs with an arbitrary level.
*
* @param mixed $level
* @param string $message
* @param array $context
* @return mixed
* @since 7.0.0
*/
public function log($level, $message, array $context = array());
/**
* Logs an exception very detailed
* An additional message can we written to the log by adding it to the
* context.
*
* <code>
* $logger->logException($ex, [
* 'message' => 'Exception during background job execution'
* ]);
* </code>
*
* @param \Exception|\Throwable $exception
* @param array $context
* @return void
* @since 8.2.0
*/
public function logException($exception, array $context = array());
}
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