// Element cacheElement = WikiCache.retrieveFromCache(CACHE_TOPIC_VERSIONS,
// topicVersionId);
// if (cacheElement != null) {
// return (TopicVersion)cacheElement.getObjectValue();
// }
TopicVersion topicVersion = TopicVersionService.findById(topicVersionId);
// WikiCache.addToCache(CACHE_TOPIC_VERSIONS, topicVersionId, topicVersion);
return topicVersion;
}