public MessageSource(Lazy <IConnection> lazyConnection,
IEnumerable <IMessageDeserializer <TMessage> > deserializers,
IDestination destination,
AcknowledgementMode mode = AcknowledgementMode.AutoAcknowledge,
string selector = null,
Func <IDictionary, bool> propertyFilter = null)
{
_deserializers = deserializers.ToDictionary(d => d.GetTypeName());
_lazyConnection = lazyConnection;
_destination = destination;
_mode = mode == AcknowledgementMode.ClientAcknowledge ? Apache.NMS.AcknowledgementMode.ClientAcknowledge : Apache.NMS.AcknowledgementMode.AutoAcknowledge;
_selector = selector;
_propertyFilter = propertyFilter;
}
/// <summary>
/// Creates a new session to work on this connection
/// </summary>
public Apache.NMS.ISession CreateSession(
Apache.NMS.AcknowledgementMode mode)
{
try
{
bool isTransacted =
(mode == Apache.NMS.AcknowledgementMode.Transactional);
return(XMSConvert.ToNMSSession(
this.xmsConnection.CreateSession(
isTransacted, XMSConvert.ToAcknowledgeMode(mode))));
}
catch (Exception ex)
{
ExceptionUtil.WrapAndThrowNMSException(ex);
return(null);
}
}
public MessageSource(Lazy <IConnection> lazyConnection,
IEnumerable <IMessageDeserializer <TMessage> > deserializers,
IDestination destination,
AcknowledgementMode mode = AcknowledgementMode.AutoAcknowledge,
string selector = null,
Func <IDictionary, bool> propertyFilter = null,
bool noLocal = false)
{
_deserializers = deserializers.ToDictionary(d => d.GetTypeName());
_lazyConnection = lazyConnection;
_destination = destination;
_mode = mode == AcknowledgementMode.ClientAcknowledge ? Apache.NMS.AcknowledgementMode.ClientAcknowledge : Apache.NMS.AcknowledgementMode.AutoAcknowledge;
_selector = selector;
_propertyFilter = propertyFilter;
_noLocal = noLocal;
var messages = Observable.Create <TMessage>(observer =>
{
var session = _lazyConnection.Value.CreateSession(_mode);
var subscription = session
.ToObservable(_destination, _selector, _noLocal)
.Where(PassesFilter)
.Select(message => new { message, deserializer = GetDeserializer(message) })
.Where(msg => msg.deserializer != null)
.Select(msg => DeserializeAndAcknowledge(msg.message, msg.deserializer))
.Subscribe(observer);
return(Disposable.Create(() =>
{
subscription.Dispose();
session.Close();
session.Dispose();
}));
});
// Can only do this optimization if we're on a topic
if (_destination.DestinationType == DestinationType.Topic)
{
messages = messages
.PublishRefCountRetriable();
}
Messages = messages;
}