/**
* Connect to a file. Open a StreamReader on the file and parse its contents.
*/
public ListOfTuples connectToFile(string path)
{
string line;
Tuple inputTuple;
List <string> listItems;
ListOfTuples result = new ListOfTuples();
System.IO.StreamReader file = new System.IO.StreamReader("..\\..\\doc\\" + path);
while ((line = file.ReadLine()) != null)
{
if (line.Length != 0)
{
listItems = new List <string>();
if ((!String.Equals(line[0].ToString(), "%")))
{
string[] fields = line.Split(',');
foreach (string item in fields)
{
listItems.Add(item.Trim(' ').Trim('"'));
}
inputTuple = new Tuple(listItems);
result.addToList(inputTuple);
}
}
}
file.Close();
return(result);
}
/**
* Connect to the input. This can either be a file or another operator.
*/
public void connectToInput()
{
printStatus();
// Collect all input Tuples from all input sources
foreach (string operatorInput in information.inputsource)
{
if (isOperator(operatorInput)) //operator in format OP1, OP2, ..., OPn
{
// Wait until signalled that the input is uploaded by the inputOperator
EventWaitHandle inputReadySignaller = new EventWaitHandle(false, EventResetMode.AutoReset, operatorInput + information.name + information.port);
inputReadySignaller.WaitOne();
}
else // input file
{
while (isreplicaIDuploaded == false)
{
Thread.Sleep(200);
}
Console.WriteLine("replicaID = " + replicaID);
input.addToList(connectToFile(operatorInput));
}
}
informationUploaded = true;
Console.WriteLine("INPUTS: --------");
input.showAll();
LogService.log("Operator: inputs", true);
foreach (Tuple s in input.tuplesArray)
{
LogService.log("Operator: input " + s.ToString(), true);
}
//chronological logic
checkIfFreeze();
checkIfStart();
checkIfFreeze();
createOutput();
}
