<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\ServiceManager\Factory;

use Interop\Container\ContainerInterface;
use Interop\Container\Exception\ContainerException;
use Zend\ServiceManager\Exception\ServiceNotCreatedException;
use Zend\ServiceManager\Exception\ServiceNotFoundException;

/**
 * Delegator factory interface.
 *
 * Defines the capabilities required by a delegator factory. Delegator
 * factories are used to either decorate a service instance, or to allow
 * decorating the instantiation of a service instance (for instance, to
 * provide optional dependencies via setters, etc.).
 */
interface DelegatorFactoryInterface
{
    /**
     * A factory that creates delegates of a given service
     *
     * @param  ContainerInterface $container
     * @param  string             $name
     * @param  callable           $callback
     * @param  null|array         $options
     * @return object
     * @throws ServiceNotFoundException if unable to resolve the service.
     * @throws ServiceNotCreatedException if an exception is raised when
     *     creating a service.
     * @throws ContainerException if any other error occurs
     */
    public function __invoke(ContainerInterface $container, $name, callable $callback, array $options = null);
}
