/// <summary>
/// ConsumeRead gets tuple from bufferRead and processes it.
/// </summary>
public void ConsumeRead()
{
while (true)
{
while (operatorService.RepStatus.Equals("Unitialized"))
{
}
//Get tuple from bufferRead
Tuple t = bufferRead.Consume();
string log;
if (operatorService.Comments)
{
Console.WriteLine("Consumed tuple " + t.toString() + " from buffer of Read Tuples");
}
//Processing tuple
IList <Tuple> tuplesToProcess = operatorService.processTuple(t);
if (tuplesToProcess != null)
{
foreach (Tuple tuple in tuplesToProcess)
{
//Mark tuple as read
tuplesRead.Add(tuple);
if (!operatorService.RepInfo.Semantics.Equals("at-most-once"))
{//If the routing of this replica is primary we want to share the readtuples array
//in order to have consistency while counting or check if a tuple is unique
if (operatorService.RepInfo.Routing.Equals("primary"))
{
foreach (string url in operatorService.RepInfo.SiblingsUrls.ToArray())
{
if (url != null && !url.Equals(operatorService.RepInfo.MyUrl))
{
try
{
OperatorServices obj = (OperatorServices)Activator.GetObject(typeof(OperatorServices), url);
obj.addTupleRead(tuple);
}
catch (System.Net.Sockets.SocketException e)
{// if the other replica rejects the connection the tuple is not send to the sibling but there is no problem because it is dead
}
}
}
}
}
//Send log to PM
bufferProcessed.Produce(tuple);
Console.WriteLine("Processed tuple " + tuple.toString() + " and accepted.");
log = tuple.toString();
operatorService.NotifyPM("Tuple replica_URL: " + operatorService.RepInfo.MyUrl + ", " + "<" + log + ">");
//Checks availability to process a new tuple
while (operatorService.RepFreeze)
{
}
if (operatorService.RepCrash)
{
Console.WriteLine("HELP ME I AM GOING TO CRASH!! NOOOOO!!");
return;
}
Thread.Sleep(operatorService.RepInterval);
}
}
else
{
Console.WriteLine("Processed tuple " + t.toString() + " and rejected.");
}
}
}
