Resolve "Die Statistiken sollten auch in ElasticSearch hinterlegt werden."

Related to #384 (closed)

src/main/java/at/ac/uibk/gitsearch/repository/vocabulary/VocabularyRepository.java

@@ -2,6 +2,7 @@ package at.ac.uibk.gitsearch.repository.vocabulary;
 
 import at.ac.uibk.gitsearch.domain.vocabulary.VocabularyItem;
 import java.net.URI;
+import java.util.List;
 import java.util.Map;
 import org.springframework.stereotype.Repository;
 
@@ -31,4 +32,11 @@ public interface VocabularyRepository {
      * @return
      */
     VocabularyItem[] getVocabularyItemsFor(String subject);
+
+    /**
+     * returns the currently supported languages.
+     *
+     * @return
+     */
+    List<String> getSupportedLanguageCodes();
 }