/** Clean up data. */
 public void cleanUpData() {
   Long aWeekAgo = System.currentTimeMillis() - 604800000;
   List<Chatter> chatterList = selectAllChatter(aWeekAgo);
   for (Chatter c : chatterList) {
     deleteSingleData(c.getId());
   }
 }
 /**
  * Update data.
  *
  * @param chatter the chatter
  */
 public void updateChatter(Chatter chatter) {
   ContentValues vals = new ContentValues();
   vals.put("chatterId", chatter.getChatterId());
   vals.put("actor", chatter.getActor());
   vals.put("post", chatter.getPost());
   vals.put("commentCount", chatter.getCommentCount());
   vals.put("likeCount", chatter.getLikeCount());
   vals.put("createTime", System.currentTimeMillis());
   this.db.update(TABLE_CHATTER, vals, "id=" + chatter.getId(), null);
 }