public Nack(XidMessage inReplyTo, int error, String message, params Object[] args)
: base(inReplyTo)
{
if (message == null)
throw new ArgumentNullException("Message cannot be null");
this.error = (NackError)error;
this.message = message;
this.args = args;
}
private static String TextForErrorCode(NackError error)
{
switch (error)
{
case NackError.ParseError:
return "Syntax error";
case NackError.ExpisTrivial:
return "Trivial expression";
default:
return "Syntax error (" + error + ")";
}
}
public override void Decode(Stream inStream)
{
base.Decode(inStream);
error = (NackError)BinReader.ReadInt32(inStream);
message = XdrCoding.getString(inStream);
args = XdrCoding.getObjects(inStream);
}
/**
* Return the error text for a given NACK error code.
*/
public static String ErrorTextFor(NackError error)
{
switch (error)
{
case NackError.ProtIncompat:
return "Incompatible protocol";
case NackError.ProtError:
return "Communication protocol error";
case NackError.NoSuchSub:
return "Unknown subscription ID";
case NackError.ImplLimit:
return "Exceeded client connection resource limit";
case NackError.NotImpl:
return "Feature not implemented";
case NackError.ParseError:
return "Subscription parse error";
case NackError.ExpisTrivial:
return "Expression is trivial (constant)";
default:
return "Error code " + error;
}
}
