/// <summary>
/// Converts network attributes to route attribute parameters.
/// </summary>
/// <param name="attrs">Network attributes.</param>
/// <param name="settings">Solver settings.</param>
/// <returns>Route attribute parameters.</returns>
private static RouteAttrParameters _ConvertAttrParameters(
ICollection <NetworkAttribute> attrs,
SolverSettings settings)
{
Debug.Assert(attrs != null);
Debug.Assert(settings != null);
var list = new List <RouteAttrParameter>();
foreach (NetworkAttribute attr in attrs)
{
foreach (NetworkAttributeParameter param in attr.Parameters)
{
object value = null;
if (settings.GetNetworkAttributeParameterValue(attr.Name, param.Name, out value))
{
// skip null value overrides, let the service to use defaults
if (value != null)
{
var p = new RouteAttrParameter();
p.AttrName = attr.Name;
p.ParamName = param.Name;
p.Value = value;
list.Add(p);
}
}
}
}
var res = new RouteAttrParameters();
res.Parameters = list.ToArray();
return(res);
}
/// <summary>
/// Get value for parameter.
/// </summary>
/// <param name="attributeName">Attribute name.</param>
/// <param name="parameterName">Parameter name.</param>
/// <param name="solverSettings">Solver settings from which
/// parameter value will be taken.</param>
/// <returns>Parameter value or empty string if no such parameter.</returns>
private string _GetParameterValue(string attributeName, string parameterName,
SolverSettings solverSettings)
{
object valueObj = null;
if (!solverSettings.GetNetworkAttributeParameterValue(attributeName,
parameterName, out valueObj))
valueObj = null;
return _ConvertValue2String(valueObj);
}
/// <summary>
/// Update parameter if it has been changed.
/// </summary>
/// <param name="solverSettings">Solver settings in which
/// parameter value will be updated.</param>
/// <param name="attribute">Network attribute, which parameter must be updated.</param>
/// <param name="parameterName">Name of the parameter which must be updated.</param>
/// <param name="parameterValue">Value, which must be set in parameter.</param>
/// <exception cref="System.ArgumentException">Is thrown when there is no
/// attribute with such parameter name in solver settings.</exception>
private void _UpdateParameterIfNeeded(SolverSettings solverSettings,
NetworkAttribute attribute, string parameterName, string parameterValue)
{
Debug.Assert(solverSettings != null);
Debug.Assert(attribute != null);
Debug.Assert(parameterName != null);
// Get parameter.
var parameter = attribute.Parameters.First(par => par.Name == parameterName);
// Get current parameter value.
object valueObj = null;
if (!solverSettings.GetNetworkAttributeParameterValue(attribute.Name, parameterName, out valueObj))
throw new ArgumentException("parameterName");
string value = _ConvertValue2String(valueObj);
// If value has changed - set new value.
if (!value.Equals(parameterValue, StringComparison.OrdinalIgnoreCase))
{
if (parameterValue != null)
{
try
{
solverSettings.SetNetworkAttributeParameterValue(attribute.Name,
parameter.Name, parameterValue);
}
// Inputed value is in wrong format - do not change solver settings.
catch
{
}
}
}
}
/// <summary>
/// Converts network attributes to route attribute parameters.
/// </summary>
/// <param name="attrs">Network attributes.</param>
/// <param name="settings">Solver settings.</param>
/// <returns>Route attribute parameters.</returns>
private static RouteAttrParameters _ConvertAttrParameters(
ICollection<NetworkAttribute> attrs,
SolverSettings settings)
{
Debug.Assert(attrs != null);
Debug.Assert(settings != null);
var list = new List<RouteAttrParameter>();
foreach (NetworkAttribute attr in attrs)
{
foreach (NetworkAttributeParameter param in attr.Parameters)
{
object value = null;
if (settings.GetNetworkAttributeParameterValue(attr.Name, param.Name, out value))
{
// skip null value overrides, let the service to use defaults
if (value != null)
{
var p = new RouteAttrParameter();
p.AttrName = attr.Name;
p.ParamName = param.Name;
p.Value = value;
list.Add(p);
}
}
}
}
var res = new RouteAttrParameters();
res.Parameters = list.ToArray();
return res;
}
