/// <summary>
/// Visits the constant calculation.
/// </summary>
/// <param name="constantCalculation">The constant calculation.</param>
protected override void VisitConstantCalculation(ConstantCalculation constantCalculation)
{
if (currentIdx == hitIndex)
{
constantCalculation.SetValue(GetValue());
}
currentIdx++;
}
/// <summary>
/// Generates the calculation based on the given formation.
/// </summary>
/// <returns>
/// The <see cref="Calculation" /> being generated.
/// </returns>
/// <exception cref="InvalidOperationException">Cannot generate the equation: the given equation generation formation is not valid, please see ErrorMessages property for details.</exception>
public override Calculation Generate()
{
if (!this.IsValid)
{
throw new InvalidOperationException("Cannot generate the equation: the given equation generation formation is not valid, please see ErrorMessages property for details.");
}
Calculation result = null;
var numOfFactors = numOfFactors_min;
if (numOfFactors_max != 0)
{
numOfFactors = rnd.Next(numOfFactors_min, numOfFactors_max + 1);
}
for (var idx = 0; idx < numOfFactors; idx++)
{
long factor = rnd.Next(max + 1);
var @operator = Utils.GenerateRandomOperator(this.acceptableOperators);
Calculation left = result, right = new ConstantCalculation(factor);
if (@operator == Operator.Add || @operator == Operator.Mul)
{
var seed = rnd.Next(DateTime.Now.Millisecond);
if ((seed % 2) == 0)
{
left = new ConstantCalculation(factor);
right = result;
}
}
if (this.rules != null)
{
foreach (var rule in rules)
{
rule.Apply(left, right, Parameters, ref @operator);
}
}
result = Calculation.Merge(left, right, @operator);
}
return(result);
}
/// <summary>
/// Visits the constant calculation.
/// </summary>
/// <param name="constantCalculation">The constant calculation.</param>
protected virtual void VisitConstantCalculation(ConstantCalculation constantCalculation)
{
}
/// <summary>
/// Visits the constant calculation.
/// </summary>
/// <param name="constantCalculation">The constant calculation.</param>
protected override void VisitConstantCalculation(ConstantCalculation constantCalculation)
{
base.VisitConstantCalculation(constantCalculation);
this.numOfConstantCalculations++;
}
