Remove uneeded loop argument and require connector

Author: clue

README.md

@@ -11,7 +11,7 @@ local redis server and send some requests:
 
 ```php
 
-$factory = new Factory($loop, $connector);
+$factory = new Factory($connector);
 $factory->createClient()->then(function (Client $client) use ($loop) {
     $client->SET('greeting', 'Hello world');
     $client->APPEND('greeting', '!');

example/cli.php

@@ -11,7 +11,7 @@
 $factory = new React\Dns\Resolver\Factory();
 $resolver = $factory->create('6.6.6.6', $loop);
 $connector = new React\SocketClient\Connector($loop, $resolver);
-$factory = new Factory($loop, $connector);
+$factory = new Factory($connector);
 
 echo '# connecting to redis...' . PHP_EOL;
 

example/client.php

@@ -9,7 +9,7 @@
 $factory = new React\Dns\Resolver\Factory();
 $resolver = $factory->create('6.6.6.6', $loop);
 $connector = new React\SocketClient\Connector($loop, $resolver);
-$factory = new Factory($loop, $connector);
+$factory = new Factory($connector);
 
 $factory->createClient()->then(function (Client $client) {
     $client->incr('test');

src/Clue/Redis/React/Factory.php

@@ -4,7 +4,6 @@
 
 use React\Socket\Server as ServerSocket;
 use React\Promise\When;
-use React\EventLoop\LoopInterface;
 use React\SocketClient\ConnectorInterface;
 use React\Stream\Stream;
 use Clue\Redis\React\Client;
@@ -16,13 +15,11 @@
 
 class Factory
 {
-    private $loop;
     private $connector;
     private $protocol;
 
-    public function __construct(LoopInterface $loop, ConnectorInterface $connector = null, ProtocolFactory $protocol = null)
+    public function __construct(ConnectorInterface $connector, ProtocolFactory $protocol = null)
     {
-        $this->loop = $loop;
         $this->connector = $connector;
 
         if ($protocol === null) {
@@ -96,10 +93,6 @@ private function connect($target)
             return When::reject($e);
         }
 
-        if ($this->connector === null) {
-            return When::reject(new BadMethodCallException('No Connector instance given in Factory constructor'));
-        }
-
         return $this->connector->create($parts['host'], $parts['port']);
     }