/// <summary>
/// CreateEMSServerTopicPublisher creates the Topic we will need to publish to
/// and binds the Topic to a session and creates the publisher.
/// </summary>
private void CreateEMSServerTopicPublisher()
{
var topicname = "GeneralTopic";
Console.WriteLine("Createing a topic we can publish to: " + topicname);
TopicConnectionFactory factory = new TopicConnectionFactory("localhost");
publisherConnection = factory.CreateTopicConnection("", ""); // Username, password blank for dev instance
publisherSession = publisherConnection.CreateTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic generalTopic = publisherSession.CreateTopic("GeneralTopic");
emsServerPublisher = publisherSession.CreatePublisher(generalTopic);
publisherConnection.Start();
}
/// <summary>
/// CreateClientTopicSubscriber
/// </summary>
/// <param name="messageSelector"></param>
private void CreateClientTopicSubscriber(string messageSelector)
{
var topicname = "GeneralTopic";
Console.WriteLine("Createing a topic we can publish to: " + topicname);
TopicConnectionFactory factory = new TopicConnectionFactory("localhost");
subscriberConnection = factory.CreateTopicConnection("", ""); // Username, password
subscriberConnection.Start();
subscriberSession = subscriberConnection.CreateTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic clientTopic = subscriberSession.CreateTopic(topicname);
// using message selector to demostrate we can subscribe to a sepecific topic by using the
// textMessage.SetStringProperty("Owner", "HelloWorld");
// If the messageSelector does not match not message will be received: "Owner LIKE '%HelloWorld%'"
TopicSubscriber clientTopicSubscriber = subscriberSession.CreateSubscriber(clientTopic, messageSelector, true);
//Wireup an event handler for async message consumption
clientTopicSubscriber.MessageHandler += new EMSMessageHandler(event_MessageHandler);
}
