nextcloud/lib/public/IContainer.php

105 lines
3.0 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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/>
*
*/
/**
* Public interface of ownCloud for apps to use.
* Container interface
*
*/
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal ownCloud classes
namespace OCP;
use Closure;
use OCP\AppFramework\QueryException;
/**
* Class IContainer
*
* IContainer is the basic interface to be used for any internal dependency injection mechanism
*
* @package OCP
* @since 6.0.0
*/
interface IContainer {
/**
* If a parameter is not registered in the container try to instantiate it
* by using reflection to find out how to build the class
* @param string $name the class name to resolve
* @return \stdClass
* @since 8.2.0
* @throws QueryException if the class could not be found or instantiated
*/
public function resolve($name);
/**
* Look up a service for a given name in the container.
*
* @param string $name
* @return mixed
* @throws QueryException if the query could not be resolved
* @since 6.0.0
*/
public function query($name);
/**
* A value is stored in the container with it's corresponding name
*
* @param string $name
* @param mixed $value
* @return void
* @since 6.0.0
*/
public function registerParameter($name, $value);
/**
* A service is registered in the container where a closure is passed in which will actually
* create the service on demand.
* In case the parameter $shared is set to true (the default usage) the once created service will remain in
* memory and be reused on subsequent calls.
* In case the parameter is false the service will be recreated on every call.
*
* @param string $name
* @param \Closure $closure
* @param bool $shared
* @return void
* @since 6.0.0
*/
public function registerService($name, Closure $closure, $shared = true);
/**
* Shortcut for returning a service from a service under a different key,
* e.g. to tell the container to return a class when queried for an
* interface
* @param string $alias the alias that should be registered
* @param string $target the target that should be resolved instead
* @since 8.2.0
*/
public function registerAlias($alias, $target);
}