/// <summary>
/// The recursive method which implements the variable number of for-loops together with processing callbacks to the outerProductProcessor.
/// </summary>
/// <param name="dimensionIndex"></param>
/// <param name="outerProductProcessor"></param>
private void ProcessOuterProductRecursive(int dimensionIndex, IOuterProductProcessor outerProductProcessor)
{
if (dimensionIndex >= _numberElementsPerDimension.Length)
{
return;
}
var processingState = new OuterProductProcessingState(this, dimensionIndex);
for (int currentDimensionIndex = 0; currentDimensionIndex < _numberElementsPerDimension[dimensionIndex]; ++currentDimensionIndex)
{
DimensionIndices[dimensionIndex] = currentDimensionIndex;
outerProductProcessor.SetProcessingState(processingState);
bool continueProcessingBeforeLoop = outerProductProcessor.DoBeforeLoop();
if (!continueProcessingBeforeLoop)
{
break;
}
ProcessOuterProductRecursive(dimensionIndex + 1, outerProductProcessor);
outerProductProcessor.SetProcessingState(processingState);
bool continueProcessingAfterLoop = outerProductProcessor.DoAfterLoop();
if (!continueProcessingAfterLoop)
{
break;
}
++_numberElementsProcessed;
}
}
/// <summary>
/// Internal use only: Used by OuterProductIndexGenerator class to set the current <see cref="ProcessingState"/> before invoking a callback.
/// </summary>
/// <param name="processingState"></param>
public void SetProcessingState(OuterProductProcessingState processingState)
{
_processingState = processingState;
}