/// <summary>
/// Instantiates the given request message type.
/// </summary>
/// <param name="messageDescription">The message description.</param>
/// <param name="request">The request that resulted in this response.</param>
/// <returns>The instantiated message. Never null.</returns>
protected virtual IDirectResponseProtocolMessage InstantiateAsResponse(MessageDescription messageDescription, IDirectedProtocolMessage request)
{
Requires.NotNull(messageDescription, "messageDescription");
Requires.NotNull(request, "request");
Type requestType = request.GetType();
var ctors = this.FindMatchingResponseConstructors(messageDescription, requestType);
ConstructorInfo ctor = null;
try {
ctor = ctors.Single();
} catch (InvalidOperationException) {
if (ctors.Any())
{
ErrorUtilities.ThrowInternal("More than one matching constructor for request type " + requestType.Name + " and response type " + messageDescription.MessageType.Name);
}
else
{
ErrorUtilities.ThrowInternal("Unexpected request message type " + requestType.FullName + " for response type " + messageDescription.MessageType.Name);
}
}
return((IDirectResponseProtocolMessage)ctor.Invoke(new object[] { request }));
}