code: public List<ITopicNode> getTopicNodesForTopicID(final Integer topicId) {
          if (topics.containsKey(topicId)) {
              return topics.get(topicId);
          }
  
          return new LinkedList<ITopicNode>();
      }
docs: Get a List of all the SpecTopics in the Database for a Topic ID.
  
  @param topicId The Topic ID to find SpecTopics for.
  @return A List of SpecTopic objects whose Topic ID matches.