處理查詢結果，如果是 Collection 的話，第一筆沒處理就不處理了

src/main/java/org/ylhealth/ym/springtest/hibernate/I18NPostProcessor.java

@@ -23,10 +23,7 @@ import org.springframework.context.i18n.LocaleContextHolder;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
 
-/**
- * Spring data 取出後進行多國語系的替換
- * 快取多語資料 30 分鐘
- */
+/** Spring data 取出後進行多國語系的替換 快取多語資料 30 分鐘 */
 public class I18NPostProcessor implements MethodInterceptor {
   private Logger logger = LoggerFactory.getLogger(getClass());
   private EntityManager em;
@@ -45,19 +42,32 @@ public class I18NPostProcessor implements MethodInterceptor {
     process(result);
     return result;
   }
-  
+
+  /**
+   * 處理查詢結果，如果是 Collection 的話，第一筆沒處理就不處理了
+   * @param result
+   * @throws IllegalAccessException
+   * @throws InvocationTargetException
+   */
   private void process(Object result) throws IllegalAccessException, InvocationTargetException {
-    if(result instanceof Collection) {
-      for (Object entity : (Collection)result) {
-        processEntity(entity);
+    if (result instanceof Collection) {
+      for (Object entity : (Collection) result) {
+        if (!processEntity(entity)) break;
       }
     } else {
       processEntity(result);
     }
   }
 
-  private void processEntity(Object entity)
+  /**
+   * @param entity
+   * @return　是否有處理
+   * @throws IllegalAccessException
+   * @throws InvocationTargetException
+   */
+  private boolean processEntity(Object entity)
       throws IllegalAccessException, InvocationTargetException {
+    boolean result = false;
     I18NTranslates i18n = entity.getClass().getAnnotation(I18NTranslates.class);
     if (i18n != null) {
       logger.trace("I18n process: {}", entity);
@@ -75,11 +85,12 @@ public class I18NPostProcessor implements MethodInterceptor {
           }
         }
       }
+      result = true;
     }
+    return result;
   }
 
   /**
-   * 
    * @param i18n
    * @param entity
    * @param clazz
@@ -93,19 +104,20 @@ public class I18NPostProcessor implements MethodInterceptor {
     String language = LocaleContextHolder.getLocale().toString();
     String table = i18n.table();
     String idColumn = i18n.id();
-    
-    Map<String, Map<String, String>> translateTable = translateTable(table, language, i18n.mapping(), idColumn);
+
+    Map<String, Map<String, String>> translateTable =
+        translateTable(table, language, i18n.mapping(), idColumn);
 
     return translateTable.get(id);
   }
-  
-  private Map<String, Map<String, String>> translateTable(String table, String language, I18NTranslate[] mapping, String idColumn) {
+
+  private Map<String, Map<String, String>> translateTable(
+      String table, String language, I18NTranslate[] mapping, String idColumn) {
     String key = "Table:" + table + "_" + language;
     Map<String, Map<String, String>> result = cache.getIfPresent(key);
     if (result == null) {
       logger.trace("translate query, table: {}", table);
-      String sql =
-          String.format("select * from %s where languageCode = ?", table);
+      String sql = String.format("select * from %s where languageCode = ?", table);
       Query query = em.createNativeQuery(sql);
       SQLQuery query1 = query.unwrap(org.hibernate.SQLQuery.class);
       query1.setResultTransformer(Transformers.ALIAS_TO_ENTITY_MAP);