public Difference(string metric1, string metric2)
: base(0)
{
_expression1 = MetricEvaluationContext.ParseExpression(metric1);
_expression2 = MetricEvaluationContext.ParseExpression(metric2);
Values = new double[2];
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="metricName">the metric definition string, such as "MA[40](BAR.CP)"</param>
public GenericRuntimeMetric(string metricName)
{
if (string.IsNullOrWhiteSpace(metricName))
{
throw new ArgumentNullException();
}
_expression = MetricEvaluationContext.ParseExpression(metricName);
}
/// <summary>
/// Handles the AST node visit.
/// </summary>
/// <param name="astNode">AST node.</param>
public override void Visit(IdentifierTermAstNode astNode)
{
if (astNode.Name.Equals("total-time"))
{
ExpressionData = new MetricTotalTime();
}
else
{
ExpressionData = new MetricNumericFunction(astNode.Name);
}
}
/// <summary>
/// Handles the AST node visit.
/// </summary>
/// <param name="astNode">AST node.</param>
public override void Visit(FunctionTermAstNode astNode)
{
if (astNode.Name.Equals("total-time"))
{
ExpressionData = new MetricTotalTime();
}
else
{
MetricNumericFunction function = new MetricNumericFunction(astNode.Name);
astNode.Terms.ForEach(term => function.Terms.Add(MasterExporter.ToConstantTerm(term)));
ExpressionData = function;
}
}
/// <summary>
/// Handles the AST node visit.
/// </summary>
/// <param name="astNode">AST node.</param>
public override void Visit(NumericOpAstNode astNode)
{
MetricExpressions arguments = new MetricExpressions();
astNode.Arguments.ForEach(arg => arguments.Add(MasterExporter.ToMetricExpression(arg)));
switch (astNode.Operator)
{
case Traits.NumericOperator.PLUS:
{
ExpressionData = new MetricPlus(arguments);
break;
}
case Traits.NumericOperator.MINUS:
{
if (arguments.Count == 1)
{
ExpressionData = new MetricUnaryMinus(arguments[0]);
}
else
{
ExpressionData = new MetricMinus(arguments[0], arguments[1]);
}
break;
}
case Traits.NumericOperator.MUL:
{
ExpressionData = new MetricMultiply(arguments);
break;
}
case Traits.NumericOperator.DIV:
{
ExpressionData = new MetricDivide(arguments[0], arguments[1]);
break;
}
default:
{
Debug.Assert(false);
break;
}
}
}
/// <summary>
/// Handles the AST node visit.
/// </summary>
/// <param name="astNode">AST node.</param>
public override void Visit(MetricPreferenceViolationAstNode astNode)
{
ExpressionData = new MetricPreferenceViolation(astNode.Name);
}
/// <summary>
/// Handles the AST node visit.
/// </summary>
/// <param name="astNode">AST node.</param>
public override void Visit(NumberTermAstNode astNode)
{
ExpressionData = new MetricNumber(astNode.Number);
}
protected MetricBinaryOperator(MetricExpression operand1, MetricExpression operand2)
{
Operand1 = operand1;
Operand2 = operand2;
}
protected MetricUnaryOperator(MetricExpression operand)
{
Operand = operand;
}