public String Calculate(Parameters parameters)
{
ParametersEntityModel parametersModel = _parser.GetParametersDBModel(parameters);
ParametersEntityModel alreadyExisting = _parametersRepository.FindOrReturnNull(parametersModel);
if (alreadyExisting == null)
//if(true)
{
_parametersRepository.InsertParameters(parametersModel);
var greedyAlgorithmBuilder = new GreedyAlgoritmBuilder();
var algorithm = greedyAlgorithmBuilder.GetAlgorithm(parameters);
var anwser = algorithm.CalculateString();
AnswerEntityModel anwserModel = new AnswerEntityModel
{
data = anwser.ToString(),
ParametersID = parametersModel.ParametersID
};
_anwserRepository.InsertAnswer(anwserModel);
return anwser.ToString();
}
else
{
return
_anwserRepository.GetAnswerList()
.Single(x => x.ParametersID == alreadyExisting.ParametersID).data;
}
}
public Parameters ParseAlgorithmParameters(Stream stream)
{
var parameters = new Parameters();
var reader = new StreamReader(stream);
try
{
reader.ReadLine();
parameters.Alpha = int.Parse(reader.ReadLine());
reader.ReadLine();
parameters.Betta = int.Parse(reader.ReadLine());
reader.ReadLine();
parameters.Q = int.Parse(reader.ReadLine());
reader.ReadLine();
parameters.DefaultPheromone = double.Parse(reader.ReadLine());
reader.ReadLine();
parameters.EvaporationRate = double.Parse(reader.ReadLine());
reader.ReadLine();
parameters.GreedyRate = double.Parse(reader.ReadLine());
reader.ReadLine();
parameters.Iterations = int.Parse(reader.ReadLine());
reader.ReadLine();
parameters.IterationsWithoutChanges = int.Parse(reader.ReadLine());
reader.ReadLine();
var tokens = new List<List<string>>();
tokens.Add(reader.ReadLine().Split().ToList());
for (var i = 1; i < tokens.First().Count; i++)
{
tokens.Add(reader.ReadLine().Split().ToList());
}
var matrix = new List<List<int>>();
for (var i = 0; i < tokens.Count; i++)
{
matrix.Add(new List<int>());
for (var j = 0; j < tokens.Count; j++)
{
matrix[i].Add(int.Parse(tokens[i][j]));
}
if (tokens[i].Count != tokens[0].Count)
{
throw new Exception();
}
}
parameters.Matrix = matrix;
}
catch (Exception)
{
throw new Exception();
}
finally
{
reader.Close();
}
return parameters;
}
public ParametersViewModel GetParametersViewModel(Parameters sourceParameters)
{
var parameters = new ParametersViewModel();
parameters.Alpha = sourceParameters.Alpha;
parameters.Betta = sourceParameters.Betta;
parameters.DefaultPheromone = sourceParameters.DefaultPheromone;
parameters.EvaporationRate = sourceParameters.EvaporationRate;
parameters.GreedyRate = sourceParameters.EvaporationRate;
parameters.Iterations = sourceParameters.Iterations;
parameters.IterationsWithoutChanges = sourceParameters.IterationsWithoutChanges;
parameters.Q = sourceParameters.Q;
parameters.MatrixString = MatrixToString(sourceParameters.Matrix);
return parameters;
}
public ParametersEntityModel GetParametersDBModel(Parameters parameters)
{
var model = new ParametersEntityModel();
model.Alpha = parameters.Alpha;
model.Betta = parameters.Betta;
model.DefaultPheromone = parameters.DefaultPheromone;
model.EvaporationRate = parameters.EvaporationRate;
model.GreedyRate = parameters.EvaporationRate;
model.Iterations = parameters.Iterations;
model.IterationsWithoutChanges = parameters.IterationsWithoutChanges;
model.Q = parameters.Q;
model.MatrixString = MatrixToString(parameters.Matrix);
return model;
}
public Parameters GetAlgorithmParameters(ParametersViewModel sourceParameters)
{
var parameters = new Parameters();
parameters.Alpha = sourceParameters.Alpha;
parameters.Betta = sourceParameters.Betta;
parameters.DefaultPheromone = sourceParameters.DefaultPheromone;
parameters.EvaporationRate = sourceParameters.EvaporationRate;
parameters.GreedyRate = sourceParameters.EvaporationRate;
parameters.Iterations = sourceParameters.Iterations;
parameters.IterationsWithoutChanges = sourceParameters.IterationsWithoutChanges;
parameters.Q = sourceParameters.Q;
parameters.Matrix = StringToMatrix(sourceParameters.MatrixString);
return parameters;
}
