public bool CalculateIfExcessGuideline(AnalyteGuidelineValue guideline, double?value, ComparisonOperation operation)
{
var decider = _factory.BuildDecider(guideline.GetType());
var isExcessed = decider.CalculateIfExcessGuideline(guideline, value, operation);
return(isExcessed);
}
public bool CalculateIfExcessGuideline(AnalyteGuidelineValue guideline, double?value, ComparisonOperation operation)
{
if (!IsSupported(guideline, operation))
{
throw new ArgumentException("guideine type or the comparison operation is not supported by the " + this.GetType().Name);
}
var castedGuideline = (SimpleGuidelineValue)guideline;
if (value.HasValue && castedGuideline.GuidelineValue.HasValue)
{
var operationSymbol = GetOperationSymbol(operation);
var expressionString = String.Format("{0} {1} {2}", value.Value, operationSymbol, castedGuideline.GuidelineValue.Value);
var expression = new Expression(expressionString);
var result = (bool)expression.Evaluate();
return(!result);
}
return(false);
}
public bool IsSupported(AnalyteGuidelineValue guideline, ComparisonOperation operation)
{
return((guideline is SimpleGuidelineValue) && Constants.LinearOperations.Contains(operation));
}