private QAPData Load(QAPLIBParser parser)
{
var instance = new QAPData();
instance.Dimension = parser.Size;
instance.Distances = parser.Distances;
instance.Weights = parser.Weights;
return(instance);
}
public override QAPData ImportData(string path)
{
var parser = new QAPLIBParser();
parser.Parse(path);
var instance = Load(parser);
instance.Name = Path.GetFileName(path);
instance.Description = "Loaded from file \"" + path + "\" on " + DateTime.Now.ToString();
return(instance);
}
public override QAPData LoadData(IDataDescriptor id)
{
var descriptor = (QAPLIBDataDescriptor)id;
var instanceArchiveName = GetResourceName(FileName + @"\.dat\.zip");
using (var instancesZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(instanceArchiveName), ZipArchiveMode.Read)) {
var entry = instancesZipFile.GetEntry(descriptor.InstanceIdentifier);
using (var stream = entry.Open()) {
var parser = new QAPLIBParser();
parser.Parse(stream);
var instance = Load(parser);
instance.Name = id.Name;
instance.Description = id.Description;
if (!String.IsNullOrEmpty(descriptor.SolutionIdentifier))
{
var solutionsArchiveName = GetResourceName(FileName + @"\.sln\.zip");
using (var solutionsZipFile = new ZipArchive(GetType().Assembly.GetManifestResourceStream(solutionsArchiveName), ZipArchiveMode.Read)) {
entry = solutionsZipFile.GetEntry(descriptor.SolutionIdentifier);
using (var solStream = entry.Open()) {
var slnParser = new QAPLIBSolutionParser();
slnParser.Parse(solStream, true);
if (slnParser.Error != null)
{
throw slnParser.Error;
}
int[] assignment = slnParser.Assignment;
if (assignment != null && ReversedSolutions.Contains(instance.Name))
{
assignment = (int[])slnParser.Assignment.Clone();
for (int i = 0; i < assignment.Length; i++)
{
assignment[slnParser.Assignment[i]] = i;
}
}
instance.BestKnownAssignment = assignment;
instance.BestKnownQuality = slnParser.Quality;
}
}
}
return(instance);
}
}
}
