/// <summary>
/// Publish publishes the data argument to the given subject. The data
/// argument is left untouched and needs to be correctly interpreted on
/// the receiver. This API is asynchronous and handles the acknowledgement
/// or error from the NATS streaming server in the provided handler. An exception is thrown when
/// an error occurs during the send, the handler will process acknowledgments and errors.
/// </summary>
/// <typeparam name="TMessage">The message type.</typeparam>
/// <param name="connection">The conmnection.</param>
/// <param name="subject">Subject to publish the message to.</param>
/// <param name="data"></param>
/// <returns>The task object representing the asynchronous operation, containing the guid.</returns>
public static async Task <string> PublishAsync <TMessage>(this IStanConnection connection, string subject, TMessage data)
where TMessage : class, IRoundtripData, new()
{
Covenant.Requires <ArgumentNullException>(data != null);
return(await connection.PublishAsync(subject, data.ToBytes()));
}
public async Task PublishAsync()
{
Assert.Equal(ConnState.CONNECTED, connection.NATSConnection.State);
StanMsg <Person> received = null;
using (var subscription = connection.Subscribe <Person>("subject",
(sender, args) =>
{
received = args.Msg;
received.Ack();
}))
{
var jack = new Person()
{
Id = 1,
Name = "Jack",
Age = 10,
Data = new byte[] { 0, 1, 2, 3, 4 }
};
await connection.PublishAsync("subject", jack);
NeonHelper.WaitFor(() => received != null, TimeSpan.FromSeconds(5));
Assert.True(received.Data == jack);
}
}
public void PublishAsync(string subject, byte[] data)
{
if (conn != null && conn.NATSConnection.State == ConnState.CONNECTED)
{
subject = $"{producID}_{subject}";
conn.PublishAsync(subject, data);
}
}
public void PublishAsync(string subject, byte[] data)
{
if (conn != null &&
conn.NATSConnection.State == ConnState.CONNECTED &&
scApp.getEQObjCacheManager().getLine().ServiceMode == SCAppConstants.AppServiceMode.Active)
{
subject = $"{producID}_{subject}";
conn.PublishAsync(subject, data);
}
}
public async Task SendAsync(string topic, object message)
{
await _connection.PublishAsync(topic, message.SerializeToByteArray());
}
public async Task <string> PublishAsync(string subject, T data)
{
return(await _stanClient.PublishAsync(subject, Encoding.UTF8.GetBytes(JsonSerializer.Serialize <T>(data))));
}
