internal static DomainValue GetVariableBand(VariableModel theVariable)
{
Debug.Assert(!theVariable.DomainExpression.IsEmpty);
var variableDomainExpressionRoot = theVariable.DomainExpression.Node;
var evaluatorContext = new VariableDomainExpressionEvaluatorContext(variableDomainExpressionRoot, theVariable.Parent.Workspace);
return(VariableDomainExpressionEvaluator.Evaluate(evaluatorContext));
}
internal static DomainValue Evaluate(VariableDomainExpressionEvaluatorContext theContext)
{
var theDomainExpression = theContext.DomainExpression;
switch (theDomainExpression.Inner)
{
case SharedDomainReferenceNode domainReferenceNode:
return(DomainExpressionEvaluator.Evaluate(domainReferenceNode, theContext.Workspace));
case RangeDomainExpressionNode rangeExpressionNode:
return(DomainExpressionEvaluator.Evaluate(rangeExpressionNode, theContext.Model));
case ListDomainExpressionNode listDomainExpressionNode:
return(DomainExpressionEvaluator.Evaluate(listDomainExpressionNode));
case TableExpressionNode tableRangeNode:
return(new DomainExpressionEvaluator().Evaluate(tableRangeNode, theContext.Workspace));
default:
throw new NotImplementedException("Unknown variable domain expression.");
}
}