Merge pull request #8 from yxie/master

This patch will reduce the TranslationImport command's running time from 45+ mins to 1.5 mins.

Author: robocoder

Command/ImportCommand.php

@@ -151,6 +151,8 @@ function ($translation) use ($locale) {
                 }
             }
 
+            $storage->flushAll();
+
             $this->output->writeln('<info>DONE</info>');
         }
     }

Storage/AbstractStorage.php

@@ -102,11 +102,19 @@ public function deleteTranslation($id)
     public function persist($entity)
     {
         $this->manager->persist($entity);
-        $this->manager->flush();
 
         return $entity;
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    public function flushAll()
+    {
+        $this->manager->flush();
+        $this->manager->clear();
+    }
+
     /**
      * Delete an entity based on its identifier.
      *
@@ -151,4 +159,4 @@ abstract protected function getEntryClassName();
      * @return string
      */
     abstract protected function getTranslationClassName();
-}
+}

Storage/StorageInterface.php

@@ -104,4 +104,9 @@ public function deleteTranslation($id);
      * @return object
      */
     public function persist($entity);
-}
+
+    /**
+     * Flushes all persisted entities, and clear the object manager
+     */
+    public function flushAll();
+}