ExceptionAwareMonitoringProvider.php

<?php

declare(strict_types=1);

/*
 * This file is part of the Composer package "cpsit/monitoring".
 *
 * Copyright (C) 2021 Elias Häußler <e.haeussler@familie-redlich.de>
 *
 * 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 3 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, see <https://www.gnu.org/licenses/>.
 */

namespace CPSIT\Monitoring\Provider;

use Throwable;

/**
 * ExceptionAwareMonitoringProvider.
 *
 * @author Elias Häußler <e.haeussler@familie-redlich.de>
 * @license GPL-3.0-or-later
 */
interface ExceptionAwareMonitoringProvider extends MonitoringProvider
{
    /**
     * Get last exception of status checks.
     *
     * Returns the last stored exception which occurred during status checks
     * made by {@see MonitoringProvider::isHealthy()} method.
     * If no exception occurred during any status check, this method will return NULL.
     *
     * @return Throwable|null Last stored exception or NULL if no exception occurred
     */
    public function getLastException(): ?Throwable;
}