eventData.put(Comment.COMMENT, comment);
eventData.put(Article.ARTICLE, article);
eventManager.fireEventSynchronously(new Event<JSONObject>(EventTypes.ADD_COMMENT_TO_ARTICLE_FROM_SYMPHONY, eventData));
transaction.commit();
ret.put(Keys.STATUS_CODE, true);
ret.put(Keys.OBJECT_ID, commentId);
ret.put(Keys.OBJECT_ID, articleId);
ret.put(Keys.MSG, "add a comment to an article from symphony succ");