/// <summary>
/// Initialize function. Sends integer array with value 1 to all mappers first time.
/// In recovery case, restore the state and iterations from task state.
/// </summary>
/// <returns>Map input</returns>
UpdateResult <int[], int[]> IUpdateFunction <int[], int[], int[]> .Initialize()
{
if (_taskState.Result != null)
{
Restore(_taskState.Result);
_iterations = _taskState.Iterations;
return(UpdateResult <int[], int[]> .Done(_intArr));
}
if (_taskState.Input != null)
{
Restore(_taskState.Input);
_iterations = _taskState.Iterations;
return(UpdateResult <int[], int[]> .AnotherRound(_intArr));
}
for (int i = 0; i < _dim; i++)
{
_intArr[i] = 1;
}
return(UpdateResult <int[], int[]> .AnotherRound(_intArr));
}
/// <summary>
/// Update function
/// </summary>
/// <param name="input">Input containing sum of all mappers arrays</param>
/// <returns>The Update Result</returns>
UpdateResult <int[], int[]> IUpdateFunction <int[], int[], int[]> .Update(int[] input)
{
Logger.Log(Level.Info, string.Format("Received value {0}", input[0]));
if (input[0] != (_iterations + 1) * _workers)
{
Exceptions.Throw(new Exception("Expected input to update functon not same as actual input"), Logger);
}
_iterations++;
if (_iterations < _maxIters)
{
for (int i = 0; i < _dim; i++)
{
_intArr[i] = _iterations + 1;
}
return(UpdateResult <int[], int[]> .AnotherRound(_intArr));
}
return(UpdateResult <int[], int[]> .Done(input));
}
/// <summary>
/// Update function
/// </summary>
/// <param name="input">Input containing sum of all mappers arrays</param>
/// <returns>The Update Result</returns>
UpdateResult <int[], int[]> IUpdateFunction <int[], int[], int[]> .Update(int[] input)
{
Logger.Log(Level.Info, "Received value {0} in iterations {1}.", input[0], _iterations + 1);
if (input[0] != (_iterations + 1) * _workers)
{
throw new Exception("Expected input to update function not same as actual input");
}
_iterations++;
if (_iterations < _maxIters)
{
for (int i = 0; i < _dim; i++)
{
_intArr[i] = _iterations + 1;
}
SaveState(_intArr);
return(UpdateResult <int[], int[]> .AnotherRound(_intArr));
}
SaveResult(input);
return(UpdateResult <int[], int[]> .Done(input));
}
/// <summary>
/// Update function
/// </summary>
/// <param name="input">Input containing sum of all mappers</param>
/// <returns>The Update Result with only result</returns>
public UpdateResult <int, int> Update(int input)
{
return(UpdateResult <int, int> .Done(input));
}
