/// <summary>
 /// Parse the raw domain expression.
 /// </summary>
 /// <param name="rawExpression">Raw domain expression.</param>
 private void ParseUnit(string rawExpression)
 {
     if (!string.IsNullOrWhiteSpace(rawExpression))
     {
         var domainExpressionParser = new SharedDomainExpressionParser();
         var result = domainExpressionParser.Parse(rawExpression);
         if (result.Status == ParseStatus.Success)
         {
             Node = result.Root;
         }
         else
         {
             Node = null;
         }
     }
     else
     {
         Node = null;
     }
 }
 internal SharedDomainExpressionEvaluatorContext(SharedDomainExpressionNode theExpressionNode, WorkspaceModel theWorkspace)
 {
     DomainExpression = theExpressionNode;
     Workspace        = theWorkspace;
 }