internal void ReregisterSubscribers(TopicSearchOptions searchOption)
{
try
{
_readerWriterLock.AcquireReaderLock(Timeout.Infinite);
if (_isDisposed)
{
return;
}
lock (_subscriptions)
{
switch (searchOption)
{
case TopicSearchOptions.ByName:
foreach (KeyValuePair <SubscriptionIdentifier, TopicSubscription> subscriptions in _subscriptions)
{
_cacheImpl.Subscribe(Name, subscriptions.Value.SubscriptionName, SubscriptionType.Subscriber, subscriptions.Value.CreationTime, subscriptions.Value.Expiration, subscriptions.Value.GetSubscriptionPolicyType);
}
break;
}
}
}
finally
{
_readerWriterLock.ReleaseReaderLock();
}
}
public TopicIdentity(string topicName, TopicSearchOptions searchOption)
{
if (topicName == null)
{
throw new ArgumentNullException(nameof(topicName));
}
this.TopicName = topicName;
this.SearchOption = searchOption;
}
public ITopic GetTopic(string topicName)
{
TopicSearchOptions searchOptions = TopicSearchOptions.ByName;
if (string.IsNullOrEmpty(topicName))
{
throw new ArgumentException("TopicName is null or empty string");
}
TopicIdentity topicPair = new TopicIdentity(topicName, TopicSearchOptions.ByName);
return(PubSubManager.GetOrCreateTopic(topicPair, TopicOperationType.Get, false));
}
internal ITopic GetOrCreateTopic(TopicIdentity topicPair, TopicOperationType type, bool internalOperation)
{
if (string.IsNullOrEmpty(topicPair.TopicName))
{
throw new ArgumentException("TopicName is null or empty string");
}
if (!internalOperation && IsDefaultTopicName(topicPair.TopicName))
{
throw new OperationFailedException(ErrorCodes.PubSub.DEFAULT_TOPICS, ErrorMessages.GetErrorMessage(ErrorCodes.PubSub.DEFAULT_TOPICS));
}
if (_cacheImpl == null)
{
throw new OperationFailedException(ErrorCodes.CacheInit.CACHE_NOT_INIT, ErrorMessages.GetErrorMessage(ErrorCodes.CacheInit.CACHE_NOT_INIT));
}
Topic topic = null;
if (_cacheImpl.GetOrCreate(topicPair.TopicName, type))
{
lock (this)
{
if (_topicsDic.TryGetValue(topicPair, out topic))
{
if (topic.IsClosed)
{
_topicsDic.TryRemove(topicPair, out topic);
TopicSearchOptions searchOptions = topic.SearchOptions;
topic = new Topic(topicPair.TopicName, _cacheImpl, _perfStatsCollector, this);
topic.SearchOptions = searchOptions;
}
topic.IncrementRefCount();
return(topic);
}
topic = new Topic(topicPair.TopicName, _cacheImpl, _perfStatsCollector, this);
topic.IncrementRefCount();
_topicsDic.TryAdd(topicPair, topic);
}
}
return(topic);
}
