public static List <Item> readFromCSV()
{
StopwatchTimer.Start("read");
List <Item> ItemList;
try
{
using (var stream = new StreamReader(Configuration.INPUT_FILE))
using (var csv = new CsvReader(stream, CultureInfo.InvariantCulture))
{
ItemList = new List <Item>();
csv.Configuration.HeaderValidated = (isValid, header, arg3, arg4) => Console.Write($"");
csv.Configuration.MissingFieldFound = (strings, i, arg3) => Console.Write("");
var records = csv.GetRecords <ParsedItem>();
foreach (ParsedItem parsedItem in records)
{
// Accessing Values by Column Index
int id, customer, priority, num_items, stackable_v, unloadingOrder, shipmentCode;
double width, height, depth, weight, taxability, vol;
bool stackable;
num_items = parsedItem.NumberOfItems;
for (int i = 0; i < num_items; i++)
{
depth = parsedItem.Length;
width = parsedItem.Width;
height = parsedItem.Height;
vol = parsedItem.Volume * Math.Pow(10, 6);
// TODO: Change this --> Done to avoid null items, I give them by default 50x50x50cm dimensions
if (depth == 0 && width == 0 && height == 0)
{
depth += 50;
width += 50;
height += 50;
}
weight = parsedItem.Weight / num_items;
if (weight == 0)
{
weight += 100;
}
stackable_v = parsedItem.Stackable;
if (stackable_v == 1)
{
stackable = true;
}
else
{
stackable = false;
}
unloadingOrder = parsedItem.UnloadingOrder;
priority = parsedItem.Priority;
taxability = parsedItem.Taxability / num_items;
shipmentCode = parsedItem.Shipment;
Item item = new Item(ItemList.Count, width, height, depth, weight, stackable, priority,
unloadingOrder, taxability, shipmentCode);
if (parsedItem.Loaded == 1)
{
companyItemsPacked++;
companyBound += taxability;
companyTotVol += vol;
companyTotWeight += weight;
}
// Randomization rotation
if (StaticRandom.NextDouble() >= 0.5)
{
item.rotate90();
// System.err.println("ROTATED");
ItemList.Add(item);
}
else
{
ItemList.Add(item);
}
}
}
}
}
catch (Exception ex)
{
throw;
}
StopwatchTimer.Stop("read");
return(ItemList);
}
public static List <Item> readFromCSVNoMultipleItems()
{
StopwatchTimer.Start("read");
List <Item> ItemList;
try
{
ItemList = new List <Item>();
using (var reader = new StreamReader(Configuration.INPUT_FILE))
using (var csv = new CsvReader(reader, CultureInfo.InvariantCulture))
{
var records = csv.GetRecords <ParsedItem>();
foreach (ParsedItem parsedItem in records)
{
// Accessing Values by Column Index
int id, customer, priority, num_items, stackable_v, unloadingOrder, shipmentCode;
double width, height, depth, weight, taxability;
bool stackable;
num_items = parsedItem.NumberOfItems;
if (num_items > 1)
{
if (num_items % 2 == 0)
{
if (num_items % 4 == 0)
{
depth = parsedItem.Length * (num_items / 4);
width = parsedItem.Weight * 4;
height = parsedItem.Height;
}
else
{
depth = parsedItem.Length * (num_items / 2);
width = parsedItem.Width * 2;
height = parsedItem.Height;
}
}
else
{
depth = parsedItem.Length * num_items;
width = parsedItem.Width;
height = parsedItem.Height;
}
if (depth == 0 && width == 0 && height == 0)
{
depth += 50;
width += 50;
height += 50;
}
weight = parsedItem.Weight;
if (weight == 0)
{
weight += 100;
}
stackable_v = parsedItem.Stackable;
if (stackable_v == 1)
{
stackable = true;
}
else
{
stackable = false;
}
unloadingOrder = parsedItem.UnloadingOrder;
priority = parsedItem.Priority;
taxability = parsedItem.Taxability;
shipmentCode = parsedItem.Shipment;
// To calculate company bound and then compare it with my bound
if (parsedItem.Loaded == 1)
{
companyBound += taxability;
}
Item item = new Item(ItemList.Count, width, height, depth, weight, stackable, priority,
unloadingOrder, taxability, shipmentCode);
// Randomization rotation
if (StaticRandom.NextDouble() >= 0.5)
{
item.rotate90();
ItemList.Add(item);
}
else
{
ItemList.Add(item);
}
}
else
{
depth = parsedItem.Length;
width = parsedItem.Width;
height = parsedItem.Height;
// TODO: Change this --> Done to avoid null items, I give them by default 50x50x50 dimensions
if (depth == 0 && width == 0 && height == 0)
{
depth += 50;
width += 50;
height += 50;
}
weight = parsedItem.Weight;
if (weight == 0)
{
weight += 100;
}
stackable_v = parsedItem.Stackable;
if (stackable_v == 1)
{
stackable = true;
}
else
{
stackable = false;
}
unloadingOrder = parsedItem.UnloadingOrder;
priority = parsedItem.Priority;
taxability = parsedItem.Taxability;
shipmentCode = parsedItem.Shipment;
// To calculate company bound and then compare it with my bound
if (parsedItem.Loaded == 1)
{
companyBound += taxability;
}
Item item = new Item(ItemList.Count, width, height, depth, weight, stackable, priority,
unloadingOrder, taxability, shipmentCode);
// Randomization rotation
if (StaticRandom.NextDouble() >= 0.5)
{
item.rotate90();
ItemList.Add(item);
}
else
{
ItemList.Add(item);
}
}
}
}
}
catch (Exception ex)
{
throw;
}
StopwatchTimer.Stop("read");
return(ItemList);
}