private CellAddress findNextMinimum(ProblemTable problemTable, ResolvedTable resolvedTable)
{
double minimum = Double.MaxValue;
CellAddress minCellAddress = null;
double[,] prices = problemTable.prices;
for (int i = 0; i < prices.GetLength(0); i++)
{
if (resolvedTable.warehouses[i].getTotal() == 0)
{
continue;
}
for (int j = 0; j < prices.GetLength(1); j++)
{
if (resolvedTable.consumers[j].getRequired() == 0)
{
continue;
}
if (minimum > prices[i, j] && resolvedTable.consumed[i, j].getUsage() == 0)
{
minimum = prices[i, j];
minCellAddress = new CellAddress(i, j);
}
}
}
if (minCellAddress == null)
{
throw new InvalidOperationException("The resolved table is full");
}
return(minCellAddress);
}
ResolvedTable ITransportProblem.calculate(ProblemTable problemTable)
{
ResolvedTable resolvedTable = new ResolvedTable(problemTable);
while (!resolvedTable.isResolved())
{
CellAddress minAddress = findNextMinimum(problemTable, resolvedTable);
int usage = Math.Min(
resolvedTable.warehouses[minAddress.row].getTotal(),
resolvedTable.consumers[minAddress.column].getRequired()
);
resolvedTable.consumed[minAddress.row, minAddress.column].setUsage(usage);
resolvedTable.warehouses[minAddress.row].resolveByValue(usage);
resolvedTable.consumers[minAddress.column].resolveByValue(usage);
}
return(resolvedTable);
}
public IDictionary <string, string> Execute(IEnumerable <ResolvedTable> inputTables,
IEnumerable <ResolvedTable> outputTables, IDictionary <string, string> extendedProperties, IActivityLogger logger)
{
logger.Write(System.Diagnostics.TraceEventType.Information, "Start activity");
modelid = extendedProperties["modelid"];
accountKey = extendedProperties["accountKey"];
baseUri = extendedProperties["baseuri"];
logger.Write(System.Diagnostics.TraceEventType.Information, "modelId: {0}; AccountKey:{1}; BaseUri: {2}", modelid, accountKey, baseUri);
logger.Write(System.Diagnostics.TraceEventType.Information, "Start with Export");
try
{
ResolvedTable inputDataset = datasets.Single(dataset => dataset.Name == activity.Inputs.Single().Name);
ResolvedTable = datasets.Single(dataset => dataset.Name == activity.Outputs.Single().Name);
RecommendationsApiWrapper api = new RecommendationsApiWrapper(accountKey, baseUri);
}
catch (Exception ex)
{
logger.Write(System.Diagnostics.TraceEventType.Error, "Error occurred: {0} - {1}", ex.Message, ex.InnerException.ToString());
}
logger.Write(System.Diagnostics.TraceEventType.Information, "end");
return(new Dictionary <string, string>());
}
