TASK: Small refactoring $this is accessible in the callback function

Author: dfeyer

Classes/Flowpack/ElasticSearch/ContentRepositoryAdaptor/Indexer/NodeIndexer.php

@@ -195,10 +195,9 @@ public function indexNode(NodeInterface $node, $targetWorkspaceName = null)
                 return;
             }
 
-            $logger = $this->logger;
             $fulltextIndexOfNode = array();
-            $nodePropertiesToBeStoredInIndex = $this->extractPropertiesAndFulltext($node, $fulltextIndexOfNode, function ($propertyName) use ($logger, $contextPathHash) {
-                $logger->log(sprintf('NodeIndexer (%s) - Property "%s" not indexed because no configuration found.', $contextPathHash, $propertyName), LOG_DEBUG, null, 'ElasticSearch (CR)');
+            $nodePropertiesToBeStoredInIndex = $this->extractPropertiesAndFulltext($node, $fulltextIndexOfNode, function ($propertyName) use ($contextPathHash) {
+                $this->logger->log(sprintf('NodeIndexer (%s) - Property "%s" not indexed because no configuration found.', $contextPathHash, $propertyName), LOG_DEBUG, null, 'ElasticSearch (CR)');
             });
 
             $document = new ElasticSearchDocument($mappingType,
@@ -240,6 +239,8 @@ public function indexNode(NodeInterface $node, $targetWorkspaceName = null)
                 $indexer($node, $targetWorkspaceName);
             }
         }
+    }
+
     /**
      * @param NodeInterface $node
      * @param ElasticSearchDocument $document