/// <summary>
/// 通过话题获取话题控制器
/// </summary>
/// <param name="topic">话题</param>
/// <returns>话题控制器</returns>
public async Task<TopicController> GetTopicController(Topic topic)
{
if (topic == null)
{
return null;
}
//获取或创建控制器
TopicController topicController;
if (topicControllerDictionary.TryGetValue(topic.Name, out topicController) == false)
{
client.SubscribeTopic(topic);
topicController = new TopicController(db);
await topicController.SetTopic(topic);
topicControllerDictionary.TryAdd(topic.Name, topicController);
}
return topicController;
}
/// <summary>
/// 通过话题名获取话题控制器
/// </summary>
/// <param name="name">话题名</param>
/// <returns>话题控制器</returns>
public async Task<TopicController> GetTopicControllerByName(string name)
{
int index = instance.TopicList.IndexOf(new Topic(name));
if (index == -1)
{
return null;
}
//获取或创建控制器
TopicController topicController;
if (topicControllerDictionary.TryGetValue(name, out topicController) == false)
{
client.SubscribeTopic(instance.TopicList[index]);
topicController = new TopicController(db);
await topicController.SetTopic(instance.TopicList[index]);
topicControllerDictionary.TryAdd(name, topicController);
}
return topicController;
}