/// <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
{
}
}
}
}
