/// <summary>
/// Adds a message to the subscription store.
/// </summary>
public void Add(Address subscriber, MessageType messageType)
{
var toSend = new Message {Formatter = q.Formatter, Recoverable = true, Label = subscriber.ToString(), Body = messageType.TypeName + ", Version=" + messageType.Version};
q.Send(toSend, GetTransactionType());
AddToLookup(subscriber, messageType, toSend.Id);
}
/// <summary>
/// Adds a message to the subscription store.
/// </summary>
public void Add(Address subscriber, MessageType messageType)
{
var toSend = new Message {
Formatter = q.Formatter, Recoverable = true, Label = subscriber.ToString(), Body = messageType.TypeName + ", Version=" + messageType.Version
};
q.Send(toSend, GetTransactionType());
AddToLookup(subscriber, messageType, toSend.Id);
}
/// <summary>
/// Removes a message from the subscription store.
/// </summary>
public void Remove(Address subscriber, MessageType messageType)
{
var messageId = RemoveFromLookup(subscriber, messageType);
if (messageId == null)
{
return;
}
q.ReceiveById(messageId, GetTransactionType());
}
/// <summary>
/// Adds a message to the lookup to find message from
/// subscriber, to message type, to message id
/// </summary>
private void AddToLookup(Address subscriber, MessageType typeName, string messageId)
{
lock (lookup)
{
if (!lookup.ContainsKey(subscriber))
{
lookup.Add(subscriber, new Dictionary <MessageType, string>());
}
if (!lookup[subscriber].ContainsKey(typeName))
{
lookup[subscriber].Add(typeName, messageId);
}
}
}
void ISubscriptionStorage.Init()
{
string path = MsmqUtilities.GetFullPath(Queue);
q = new MessageQueue(path);
bool transactional;
try
{
transactional = q.Transactional;
}
catch (Exception ex)
{
throw new ArgumentException(string.Format("There is a problem with the subscription storage queue {0}. See enclosed exception for details.", Queue), ex);
}
if (!transactional && SettingsHolder.Get <bool>("Transactions.Enabled"))
{
throw new ArgumentException("Queue must be transactional (" + Queue + ").");
}
var mpf = new MessagePropertyFilter();
mpf.SetAll();
q.Formatter = new XmlMessageFormatter(new[] { typeof(string) });
q.MessageReadPropertyFilter = mpf;
foreach (var m in q.GetAllMessages())
{
var subscriber = Address.Parse(m.Label);
var messageTypeString = m.Body as string;
var messageType = new MessageType(messageTypeString); //this will parse both 2.6 and 3.0 type strings
entries.Add(new Entry {
MessageType = messageType, Subscriber = subscriber
});
AddToLookup(subscriber, messageType, m.Id);
}
}
string RemoveFromLookup(Address subscriber, MessageType typeName)
{
string messageId = null;
lock (lookup)
{
Dictionary <MessageType, string> endpoints;
if (lookup.TryGetValue(subscriber, out endpoints))
{
if (endpoints.TryGetValue(typeName, out messageId))
{
endpoints.Remove(typeName);
if (endpoints.Count == 0)
{
lookup.Remove(subscriber);
}
}
}
}
return(messageId);
}
void ISubscriptionStorage.Init()
{
string path = MsmqUtilities.GetFullPath(Queue);
q = new MessageQueue(path);
bool transactional;
try
{
transactional = q.Transactional;
}
catch (Exception ex)
{
throw new ArgumentException(string.Format("There is a problem with the subscription storage queue {0}. See enclosed exception for details.", Queue), ex);
}
if (!transactional && SettingsHolder.Get<bool>("Transactions.Enabled"))
throw new ArgumentException("Queue must be transactional (" + Queue + ").");
var mpf = new MessagePropertyFilter();
mpf.SetAll();
q.Formatter = new XmlMessageFormatter(new[] { typeof(string) });
q.MessageReadPropertyFilter = mpf;
foreach (var m in q.GetAllMessages())
{
var subscriber = Address.Parse(m.Label);
var messageTypeString = m.Body as string;
var messageType = new MessageType(messageTypeString); //this will parse both 2.6 and 3.0 type strings
entries.Add(new Entry { MessageType = messageType, Subscriber = subscriber });
AddToLookup(subscriber, messageType, m.Id);
}
}
string RemoveFromLookup(Address subscriber, MessageType typeName)
{
string messageId = null;
lock (lookup)
{
Dictionary<MessageType, string> endpoints;
if (lookup.TryGetValue(subscriber, out endpoints))
{
if (endpoints.TryGetValue(typeName, out messageId))
{
endpoints.Remove(typeName);
if (endpoints.Count == 0)
{
lookup.Remove(subscriber);
}
}
}
}
return messageId;
}
/// <summary>
/// Adds a message to the lookup to find message from
/// subscriber, to message type, to message id
/// </summary>
private void AddToLookup(Address subscriber, MessageType typeName, string messageId)
{
lock (lookup)
{
if (!lookup.ContainsKey(subscriber))
lookup.Add(subscriber, new Dictionary<MessageType, string>());
if (!lookup[subscriber].ContainsKey(typeName))
lookup[subscriber].Add(typeName, messageId);
}
}
/// <summary>
/// Removes a message from the subscription store.
/// </summary>
public void Remove(Address subscriber, MessageType messageType)
{
var messageId = RemoveFromLookup(subscriber, messageType);
if (messageId == null)
return;
q.ReceiveById(messageId, GetTransactionType());
}
