public SimpleMessageQueue(DirectoryInfo directory)
{
if (directory == null)
throw new ArgumentNullException("directory");
if (!directory.Exists)
throw new ArgumentException("directory does not exist");
_innerQueue = MemoryQueueLookup.Current.CreateOrGetQueue(directory.FullName);
Formatter = new BinaryFormatter();
}
public void UnSubscribe(InnerSimpleQueue queue)
{
lock (typeof(MemoryQueueLookup)) {
InnerSimpleQueue innerQueue;
if (!_lookupTable.TryGetValue(queue.DirectoryPath, out innerQueue))
return;
innerQueue.Subscribers--;
if (innerQueue.AnySubscribers)
return;
TearDownQueue(innerQueue);
}
}
public SimpleMessageQueue(DirectoryInfo directory)
{
if (directory == null)
{
throw new ArgumentNullException("directory");
}
if (!directory.Exists)
{
throw new ArgumentException("directory does not exist");
}
_innerQueue = MemoryQueueLookup.Current.CreateOrGetQueue(directory.FullName);
Formatter = new BinaryFormatter();
}
public void UnSubscribe(InnerSimpleQueue queue)
{
lock (typeof(MemoryQueueLookup)) {
InnerSimpleQueue innerQueue;
if (!_lookupTable.TryGetValue(queue.DirectoryPath, out innerQueue))
{
return;
}
innerQueue.Subscribers--;
if (innerQueue.AnySubscribers)
{
return;
}
TearDownQueue(innerQueue);
}
}
public InnerSimpleQueue CreateOrGetQueue(string directoryPath)
{
if (string.IsNullOrEmpty(directoryPath))
throw new ArgumentNullException("directoryPath");
lock (typeof(MemoryQueueLookup)) {
InnerSimpleQueue innerQueue;
if (_lookupTable.TryGetValue(directoryPath, out innerQueue)) {
innerQueue.Subscribers++;
return innerQueue;
}
innerQueue = new InnerSimpleQueue(new BlockingCollection<SimpleQueueMessage>(), directoryPath);
innerQueue.Subscribers++;
innerQueue.Initialize();
_lookupTable.Add(directoryPath, innerQueue);
return innerQueue;
}
}
public InnerSimpleQueue CreateOrGetQueue(string directoryPath)
{
if (string.IsNullOrEmpty(directoryPath))
{
throw new ArgumentNullException("directoryPath");
}
lock (typeof(MemoryQueueLookup)) {
InnerSimpleQueue innerQueue;
if (_lookupTable.TryGetValue(directoryPath, out innerQueue))
{
innerQueue.Subscribers++;
return(innerQueue);
}
innerQueue = new InnerSimpleQueue(new BlockingCollection <SimpleQueueMessage>(), directoryPath);
innerQueue.Subscribers++;
innerQueue.Initialize();
_lookupTable.Add(directoryPath, innerQueue);
return(innerQueue);
}
}
private void TearDownQueue(InnerSimpleQueue queue)
{
_lookupTable.Remove(queue.DirectoryPath);
queue.Dispose();
}
private void TearDownQueue(InnerSimpleQueue queue)
{
_lookupTable.Remove(queue.DirectoryPath);
queue.Dispose();
}
