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<?php
/**
* Generic interface providing Time-To-Live constants for expirable object storage
*
* 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 Cache
*/
namespace Wikimedia\LightweightObjectStore;
/**
* Generic interface providing Time-To-Live constants for expirable object storage
*
* @ingroup Cache
* @since 1.35
*/
interface ExpirationAwareness {
/** @var int One second, in seconds */
public const TTL_SECOND = 1;
/** @var int One minute, in seconds */
public const TTL_MINUTE = 60;
/** @var int One hour, in seconds */
public const TTL_HOUR = 3600;
/** @var int One day, in seconds */
public const TTL_DAY = 86400; // 24 * 3600
/** @var int One week, in seconds */
public const TTL_WEEK = 604800; // 7 * 24 * 3600
/** @var int One month, in seconds */
public const TTL_MONTH = 2592000; // 30 * 24 * 3600
/** @var int One year, in seconds */
public const TTL_YEAR = 31536000; // 365 * 24 * 3600
/** @var int Reasonably strict cache time that last the life of quick requests */
public const TTL_PROC_SHORT = 3;
/** @var int Loose cache time that can survive slow web requests */
public const TTL_PROC_LONG = 30;
/** @var int Idom for "store indefinitely" */
public const TTL_INDEFINITE = 0;
/** @var int Idiom for "do not store the newly generated result" */
public const TTL_UNCACHEABLE = -1;
}
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