/// <summary>
/// Initializes a variable with a variable name.
/// </summary>
protected VariableModel(BundleModel bundle, ModelName variableName)
: base(variableName)
{
Workspace = bundle.Workspace;
Parent = bundle;
DomainExpression = new VariableDomainExpressionModel();
}
/// <summary>
/// Overrides a variable domain expression to a new domain expression.
/// </summary>
/// <param name="variableIndex">Variable index starts at zero.</param>
/// <param name="newDomainExpression">New domain expression.</param>
public void OverrideDomainTo(int variableIndex, VariableDomainExpressionModel newDomainExpression)
{
if (variableIndex >= Variables.Count() || variableIndex < 0)
{
throw new ArgumentOutOfRangeException(nameof(variableIndex));
}
var variableToOverride = (SingletonVariableModel)GetVariableByIndex(variableIndex);
var range = variableToOverride.GetVariableBand();
var newRange = GetRangeFrom(newDomainExpression);
if (!range.IntersectsWith(newRange))
{
throw new ArgumentException(nameof(newDomainExpression));
}
variableToOverride.DomainExpression = newDomainExpression;
}
/// <summary>
/// Get the domain range from the domain expression.
/// </summary>
/// <param name="theDomainExpression">Domain expression.</param>
/// <returns>Domain range.</returns>
private DomainValue GetRangeFrom(VariableDomainExpressionModel theDomainExpression)
{
var evaluatorContext = new VariableDomainExpressionEvaluatorContext(theDomainExpression.Node, Workspace);
return(VariableDomainExpressionEvaluator.Evaluate(evaluatorContext));
}
/// <summary>
/// Initializes a variable with a variable name.
/// </summary>
protected VariableModel(ModelModel theModel, ModelName variableName)
: base(variableName)
{
Parent = theModel;
DomainExpression = new VariableDomainExpressionModel();
}
/// <summary>
/// Initialize a new inline domain with an empty expression.
/// </summary>
public InlineDomainModel()
{
Expression = new VariableDomainExpressionModel();
}
/// <summary>
/// Initialize a new inline domain with a domain expression.
/// </summary>
public InlineDomainModel(string theExpression)
{
Expression = new VariableDomainExpressionModel(theExpression);
}
