public bool TryGet(out RabbitConnectionFactory factory)
{
rwLock.EnterReadLock();
RabbitConnectionFactory tempFactory = null;
try
{
while (!_queue.IsEmpty)
{
if (_queue.TryDequeue(out tempFactory))
{
if (tempFactory.Connection != null)
{
_queue.Enqueue(tempFactory);
factory = tempFactory;
return(true);
}
}
}
}
finally
{
rwLock.ExitReadLock();
}
factory = tempFactory;
return(false);
}
public void Add(IConnectOptions key, RabbitConnectionFactory factory)
{
rwLock.EnterWriteLock();
IConnectOptions connectOptions = null;
try
{
if (_keys.TryGetValue(key.TagName, out connectOptions))
{
//但是属性已发生变更
if (connectOptions.CompareTo(key) == 0)
{
RabbitConnectionFactory oldFactory = null;
_keys.Remove(key.TagName);
_queue.TryDequeue(out oldFactory);
//重新入队
_keys.Add(key.TagName, key);
_queue.Enqueue(factory);
}
}
else
{
_keys.Add(key.TagName, key);
_queue.Enqueue(factory);
}
}
finally {
rwLock.ExitWriteLock();
}
}