owncloud/core

<?php
/**
 * @author Morris Jobke <hey@morrisjobke.de>
 * @author Robin Appelman <icewind@owncloud.com>
 * @author Thomas Müller <thomas.mueller@tmit.eu>
 * @author Piotr Mrowczynski <piotr@owncloud.com>
 *
 * @copyright Copyright (c) 2018, ownCloud GmbH
 * @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 OC\Diagnostics;

use OCP\Diagnostics\IEventLogger;

class EventLogger implements IEventLogger {
    /**
     * @var \OC\Diagnostics\Event[]
     */
    private $events = [];
    
    /**
     * @var bool - Module needs to be activated by some app
     */
    private $activated = false;

    /**
     * @inheritdoc
     */
    public function start($id, $description) {
        if ($this->activated) {
            $this->events[$id] = new Event($id, $description, \microtime(true));
        }
    }

    /**
     * @inheritdoc
     */
    public function end($id) {
        if ($this->activated && isset($this->events[$id])) {
            $timing = $this->events[$id];
            $timing->end(\microtime(true));
        }
    }

    /**
     * @inheritdoc
     */
    public function log($id, $description, $start, $end) {
        if ($this->activated) {
            $this->events[$id] = new Event($id, $description, $start);
            $this->events[$id]->end($end);
        }
    }

    /**
     * @inheritdoc
     */
    public function getEvents() {
        return $this->events;
    }
    
    /**
     * @inheritdoc
     */
    public function activate() {
        $this->activated = true;
    }
}