add logger explicit;cleanup;correct cs

Client.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace FOQ\ElasticaBundle;
 
 use Elastica_Client;
@@ -8,13 +9,18 @@ use Elastica_Client;
  */
 class Client extends Elastica_Client
 {
+    protected $logger;
+
     public function setLogger($logger)
     {
         $this->logger = $logger;
     }
 
-    public function request($path, $method, $data = array()) {
-        $this->logger->logQuery($path, $method, $data);
+    public function request($path, $method, $data = array())
+    {
+        if (null !== $this->logger) {
+            $this->logger->logQuery($path, $method, $data);
+        }
 
         return parent::request($path, $method, $data);
     }

DataCollector/ElasticaDataCollector.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace FOQ\ElasticaBundle\DataCollector;
 
 use FOQ\ElasticaBundle\Logger\ElasticaLogger;

Logger/ElasticaLogger.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace FOQ\ElasticaBundle\Logger;
 
 use Symfony\Component\HttpKernel\Log\LoggerInterface;
@@ -70,5 +71,4 @@ class ElasticaLogger
     {
         return $this->queries;
     }
-
 }

Resources/config/config.xml

@@ -29,7 +29,6 @@
             <call method="setLogger">
                 <argument type="service" id="elastica.logger" />
             </call>
-            <tag name="monolog.logger" channel="elastica" />
         </service>
 
         <service id="foq_elastica.index_manager" class="FOQ\ElasticaBundle\IndexManager">