///<summary>Sends a "jms/stream-message"-encoded RPC request,
///and expects an RPC reply in the same format.</summary>
///<remarks>
///<para>
/// The arguments passed in must be of types that are
/// representable as JMS StreamMessage values, and so must the
/// results returned from the service in its reply message.
///</para>
///<para>
/// Calls OnTimedOut() and OnDisconnected() when a timeout or
/// disconnection, respectively, is detected when waiting for
/// our reply.
///</para>
///<para>
/// Returns null if the request timed out or if we were
/// disconnected before a reply arrived.
///</para>
///<para>
/// The reply message, if any, is acknowledged to the AMQP
/// server via Subscription.Ack().
///</para>
///</remarks>
///<see cref="IStreamMessageBuilder"/>
///<see cref="IStreamMessageReader"/>
public virtual object[] Call(params object[] args)
{
IStreamMessageBuilder builder = new StreamMessageBuilder(Model);
builder.WriteObjects(args);
IBasicProperties replyProperties;
byte[] replyBody = Call((IBasicProperties)builder.GetContentHeader(),
builder.GetContentBody(),
out replyProperties);
if (replyProperties == null)
{
return null;
}
if (replyProperties.ContentType != StreamMessageBuilder.MimeType)
{
throw new ProtocolViolationException
(string.Format("Expected reply of MIME type {0}; got {1}",
StreamMessageBuilder.MimeType,
replyProperties.ContentType));
}
IStreamMessageReader reader = new StreamMessageReader(replyProperties, replyBody);
return reader.ReadObjects();
}
