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<?php
/**
* PluginFactory class.
*
* @link https://github.com/googleforcreators/web-stories-wp
*
* @copyright 2020 Google LLC
* @license https://www.apache.org/licenses/LICENSE-2.0 Apache License 2.0
*/
/**
* Copyright 2020 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
declare(strict_types = 1);
namespace Google\Web_Stories;
use Google\Web_Stories\Infrastructure\ServiceBasedPlugin;
/**
* PluginFactory class.
*
* The plugin factory is responsible for instantiating the plugin and returning
* that instance.
*
* It can decide whether to return a shared or a fresh instance as needed.
*
* To read more about why this is preferable to a Singleton,
*
* @since 1.11.0
*
* @see https://www.alainschlesser.com/singletons-shared-instances/
*/
class PluginFactory extends ServiceBasedPlugin {
/**
* Create and return an instance of the plugin.
*
* This always returns a shared instance. This way, outside code can always
* get access to the object instance of the plugin.
*
* @return Plugin Plugin instance.
*/
public static function create(): Plugin {
static $plugin = null;
if ( null === $plugin ) {
$plugin = new Plugin();
}
return $plugin;
}
}