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<?php
/**
* @copyright 2019, Georg Ehrke <oc.list@georgehrke.com>
*
* @author Georg Ehrke <oc.list@georgehrke.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCP\Calendar;
/**
* Interface IMetadataProvider
*
* Provider for metadata of a resource or a room
*
* @package OCP\Calendar
* @since 17.0.0
*/
interface IMetadataProvider {
/**
* Get a list of all metadata keys available for this room
*
* Room backends are allowed to return custom keys, beyond the ones
* defined in this class. If they do, they should make sure to use their
* own namespace.
*
* @return String[] - A list of available keys
* @since 17.0.0
*/
public function getAllAvailableMetadataKeys():array;
/**
* Get whether or not a metadata key is set for this room
*
* @param string $key - The key to check for
* @return bool - Whether or not key is available
* @since 17.0.0
*/
public function hasMetadataForKey(string $key):bool;
/**
* Get the value for a metadata key
*
* @param string $key - The key to check for
* @return string|null - The value stored for the key, null if no value stored
* @since 17.0.0
*/
public function getMetadataForKey(string $key):?string;
}
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