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From slyfox <bobby.richa...@gmail.com>
Subject My NMS topic consumer dies after 1 message
Date Thu, 28 Jan 2010 01:01:18 GMT

Working fine in java but switched a client over to C#, producer worked,
consumer works, just dies after 1 message:

##############################
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using Apache.NMS;
using Apache.NMS.ActiveMQ;
using Apache.NMS.Util;

namespace QuoteProvider
{
    public class JMSQuoteProvider : IJMSQuoteSource
    {
        protected static AutoResetEvent semaphore = new
AutoResetEvent(false);
        protected static ITextMessage message = null;
        protected static TimeSpan receiveTimeout = TimeSpan.FromSeconds(10);

        public event Action<IncomingQuote> QuoteArrived;

        public JMSQuoteProvider()
        {
            Thread JMSQuotes = new Thread(new ThreadStart(run));
            JMSQuotes.IsBackground = true;
            JMSQuotes.Priority = ThreadPriority.Normal;
            JMSQuotes.Start();
        }

        private void run() 
        {
            Uri connecturi = new
Uri("activemq:tcp://127.0.0.1:61616?consumer.dispatchAsync=true");
            IConnectionFactory factory = new
NMSConnectionFactory(connecturi);
            using (IConnection connection = factory.CreateConnection())
            using (ISession session = connection.CreateSession())
            {
                IDestination destination = session.GetTopic("PX.UPDATE");

                using (IMessageConsumer consumer =
session.CreateConsumer(destination))
                {
                    connection.Start();
                    
                    consumer.Listener += new MessageListener(OnMessage);

                    semaphore.WaitOne();
                    if (message != null)
                    {
                        crack(message.Text.ToString());
                    }
                    
                }
            }
        }

        private void crack(String msg)
        {
            // crack logic //

            IncomingQuote tempQuote = new IncomingQuote(symbol, bid, ask,
stamp);
            QuoteArrived(tempQuote);           
        }

        protected static void OnMessage(IMessage receivedMsg)
        {
            message = receivedMsg as ITextMessage;
            semaphore.Set();
        }

        #region IJMSQuoteSource Members

        protected virtual void OnQuoteArrived(IncomingQuote quote)
        {
            if (QuoteArrived != null)
                QuoteArrived(quote);
        }

        #endregion

    }
}


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