git-svn-id: https://msi/svn/firstRepo/Service/branches/Slim3@40 0f545695-f87b-41b6-9a03-7f16563b5454

Slim/Interfaces/InvocationStrategyInterface.php

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+<?php
+/**
+ * Slim Framework (http://slimframework.com)
+ *
+ * @link      https://github.com/slimphp/Slim
+ * @copyright Copyright (c) 2011-2015 Josh Lockhart
+ * @license   https://github.com/slimphp/Slim/blob/3.x/LICENSE.md (MIT License)
+ */
+namespace Slim\Interfaces;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+
+/**
+ * Defines a contract for invoking a route callable.
+ */
+interface InvocationStrategyInterface
+{
+    /**
+     * Invoke a route callable.
+     *
+     * @param callable               $callable The callable to invoke using the strategy.
+     * @param ServerRequestInterface $request The request object.
+     * @param ResponseInterface      $response The response object.
+     * @param array                  $routeArguments The route's placholder arguments
+     *
+     * @return ResponseInterface|string The response from the callable.
+     */
+    public function __invoke(callable $callable, ServerRequestInterface $request, ResponseInterface $response, array $routeArguments);
+}