code: protected void putItem(final ItemData data)
     {
        cache.put(new CacheId(data.getIdentifier()), new CacheValue(data, System.currentTimeMillis() + liveTime));
        cache.put(new CacheQPath(data.getParentIdentifier(), data.getQPath(), ItemType.getItemType(data)),
           new CacheValue(data, System.currentTimeMillis() + liveTime));
     }
docs: Put item in cache C.
  
  @param data