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

Related to #384 (closed)

src/main/java/at/ac/uibk/gitsearch/service/vocabulary/VocabularyService.java

 package at.ac.uibk.gitsearch.service.vocabulary;
 
+import at.ac.uibk.gitsearch.domain.vocabulary.VocabularyItem;
+import at.ac.uibk.gitsearch.domain.vocabulary.VocabularyItem.LanguageItem;
+import at.ac.uibk.gitsearch.repository.vocabulary.VocabularyRepository;
+import at.ac.uibk.gitsearch.service.vocabulary.VocabularyService.VocabularyServiceConfig.RequiredEnum;
+import at.ac.uibk.gitsearch.service.vocabulary.VocabularyService.VocabularyServiceConfig.VocabularySetting;
+import com.fasterxml.jackson.annotation.JsonGetter;
+import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.MapperFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.json.JsonMapper;
 import java.beans.IntrospectionException;
 import java.beans.PropertyDescriptor;
 import java.io.IOException;
@@ -12,9 +23,7 @@ import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
-
 import javax.annotation.PostConstruct;
-
 import org.apache.lucene.search.spell.LevenshteinDistance;
 import org.codeability.sharing.plugins.api.search.UserProvidedMetadataDTO;
 import org.codeability.sharing.plugins.api.search.UserProvidedMetadataDTO.InteractivityType;
@@ -24,19 +33,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import com.fasterxml.jackson.annotation.JsonGetter;
-import com.fasterxml.jackson.annotation.JsonSetter;
-import com.fasterxml.jackson.databind.DeserializationFeature;
-import com.fasterxml.jackson.databind.MapperFeature;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.json.JsonMapper;
-
-import at.ac.uibk.gitsearch.domain.vocabulary.VocabularyItem;
-import at.ac.uibk.gitsearch.domain.vocabulary.VocabularyItem.LanguageItem;
-import at.ac.uibk.gitsearch.repository.vocabulary.VocabularyRepository;
-import at.ac.uibk.gitsearch.service.vocabulary.VocabularyService.VocabularyServiceConfig.RequiredEnum;
-import at.ac.uibk.gitsearch.service.vocabulary.VocabularyService.VocabularyServiceConfig.VocabularySetting;
-
 @Service
 @Transactional
 public class VocabularyService {
@@ -83,7 +79,7 @@ public class VocabularyService {
 
     /**
      * validates the metadata
-     * 
+     *
      * @param metadata   the metadata to check
      * @param isTopLevel is metaData on topLevel
      * @return
@@ -97,10 +93,9 @@ public class VocabularyService {
                     setting.getGetter().invoke(metadata),
                     setting.getProperty(),
                     setting.getOEResourceType(),
-                        isTopLevel
-                                ? (setting.isRequired() == RequiredEnum.REQUIRED_ON_TOP_LEVEL
-                                        || setting.isRequired() == RequiredEnum.REQUIRED)
-                                : setting.isRequired() == RequiredEnum.REQUIRED,
+                    isTopLevel
+                        ? (setting.isRequired() == RequiredEnum.REQUIRED_ON_TOP_LEVEL || setting.isRequired() == RequiredEnum.REQUIRED)
+                        : setting.isRequired() == RequiredEnum.REQUIRED,
                     setting.getExtraEntries(),
                     result
                 );
@@ -257,8 +252,10 @@ public class VocabularyService {
         private VocabularySetting[] config;
 
         public enum RequiredEnum {
-            REQUIRED, REQUIRED_ON_TOP_LEVEL, OPTIONAL
-        };
+            REQUIRED,
+            REQUIRED_ON_TOP_LEVEL,
+            OPTIONAL,
+        }
 
         public static class VocabularySetting {