public void AsyncCallBackOperator(IAsyncResult ar)
{
try {
RemoteAsyncDelegateTuple del = (RemoteAsyncDelegateTuple)((AsyncResult)ar).AsyncDelegate;
del.EndInvoke(ar);
}catch {
buildWorkingOps();
if (workingOutputSources != null)
{
TrySend:
Console.WriteLine("FALLBACK");
if (this.workingOutputSources.Count > 0)
{
string nextOp = workingOutputSources[0];
try
{
RemoteOperator outputOperator = (RemoteOperator)Activator.GetObject(typeof(RemoteOperator), nextOp);
RemoteAsyncDelegateTuple RemoteDel = new RemoteAsyncDelegateTuple(outputOperator.receiveInput);
Console.WriteLine("SENDING CALLBACK - Result: " + result);
IAsyncResult RemAr = RemoteDel.BeginInvoke(this.result, null, null);
RemoteDel.EndInvoke(RemAr);
writeLog(this.op_id, this.type, this.op_url, "RESULT <" + result.ToString() + ">");
}
catch (Exception e1)
{
this.workingOutputSources.RemoveAt(0);
goto TrySend;
}
}
}
}
return;
}
public void sendResult()
{
if (this.result == null)
{
return;
}
// Writing on log throgh the output operator
if (String.Compare(this.op_url, this.output_op[0]) == 0)
{
writeLog(this.op_id, this.type, this.op_url, "RESULT <" + result.ToString() + ">");
}
else
{
RemoteOperator output_op = (RemoteOperator)Activator.GetObject(typeof(RemoteOperator), this.output_op[0]);
RemoteAsyncDelegateLog RemoteDelOutput = new RemoteAsyncDelegateLog(output_op.writeLog);
IAsyncResult RemArOutput = RemoteDelOutput.BeginInvoke(this.op_id, this.type, this.op_url, "RESULT <" + result.ToString() + ">", null, null);
}
Console.WriteLine("RESULT <" + result.ToString() + ">;\r\n");
if (this.outputSources == null)
{
return;
}
IDictionary options = new Hashtable();
options["name"] = this.type + "output" + (new Random()).Next(0, 10000);;
TcpChannel channel = new TcpChannel(options, null, null);
ChannelServices.RegisterChannel(channel, true);
String firstOp = this.getRoutingOperator();
RemoteOperator outputOperator = (RemoteOperator)Activator.GetObject(typeof(RemoteOperator), firstOp);
RemoteAsyncDelegateTuple RemoteDel = new RemoteAsyncDelegateTuple(outputOperator.receiveInput);
if (!semantic.Equals("at-most-once")) // semantic at-least-once, exactly-once
{
IAsyncResult RemAr = RemoteDel.BeginInvoke(this.result, AsyncCallBackOperator, this.result);
}
else // semantic at-most-once
{
IAsyncResult RemAr = RemoteDel.BeginInvoke(this.result, null, null);
}
//RemoteDel.EndInvoke(RemAr);
if (isFullLog) // Is full log, must send result to PuppetMaster
{
RemotePM pm = (RemotePM)Activator.GetObject(typeof(RemotePM), "tcp://localhost:10001/RemotePM");
string[] resultArray = { op_id, type, result.ToString() };
pm.receiveResult(resultArray);
}
ChannelServices.UnregisterChannel(channel);
}
public override void doOperation(Tuple input)
{
if (parameters.Length == 1)
{
int fieldNumber;
if (Int32.TryParse(parameters[0], out fieldNumber))
{
int uniqueCounter = 0;
this.tupleList.Add(input);
foreach (Tuple t in this.tupleList)
{
if (t.getField(fieldNumber).Equals(input.getField(fieldNumber)))
{
uniqueCounter++;
}
if (uniqueCounter > 1)
{
return;
}
}
result = input;
for (int i = 0; i < replicas_url.Length; i++)
{
if (String.Compare(op_url, replicas_url[i]) != 0)
{
Uniq count_op = (Uniq)Activator.GetObject(typeof(Uniq), replicas_url[i]);
RemoteAsyncDelegateTuple RemoteDel = new RemoteAsyncDelegateTuple(count_op.updateUniq);
IAsyncResult RemAr = RemoteDel.BeginInvoke(result, null, null);
}
}
}
else
{
throw new Exception("Invalid Argument Type");
}
}
else
{
throw new Exception("Invalid Argument Count");
}
}
