/// <summary>
/// Try and parse a frequency line and return an instance of a IReportFrequency.
/// </summary>
/// <param name="line">The line to parse.</param>
/// <param name="report">An instance of a report model.</param>
/// <param name="events">An instance of an events publish/subcribe interface.</param>
/// <param name="compiler">An instance of a c# compiler.</param>
/// <returns>true if line was able to be parsed.</returns>
public static bool TryParse(string line, Report report, IEvent events, ScriptCompiler compiler)
{
if (CSharpExpressionFunction.Compile(line, report, compiler, out IBooleanFunction function, out string errorMessages))
{
new ExpressionReportFrequency(report, events, function);
return(true);
}
return(false);
}
private void OnSimulationCommencing(object sender, EventArgs e)
{
if (forages == null)
{
throw new Exception("No forages component found in simulation.");
}
var parentZone = Parent as Zone;
if (parentZone == null)
{
throw new Exception("SimpleGrazing is not in a zone");
}
allForages = forages.ModelsWithDigestibleBiomass.Where(forage => forage.Zone == parentZone).ToList();
ProportionOfTotalDM = new double[allForages.Count()];
if (GrazingRotationType == GrazingRotationTypeEnum.TargetMass)
{
if (PreGrazeDMArray == null || PreGrazeDMArray.Length != 12)
{
throw new Exception("There must be 12 values input for the pre-grazing DM");
}
if (PostGrazeDMArray == null || PostGrazeDMArray.Length != 12)
{
throw new Exception("There must be 12 values input for the post-grazing DM");
}
}
else if (GrazingRotationType == GrazingRotationTypeEnum.Flexible)
{
if (string.IsNullOrEmpty(FlexibleExpressionForTimingOfGrazing))
{
throw new Exception("You must specify an expression for timing of grazing.");
}
if (CSharpExpressionFunction.Compile(FlexibleExpressionForTimingOfGrazing, this, compiler, out IBooleanFunction f, out string errors))
{
expressionFunction = f;
}
else
{
throw new Exception(errors);
}
}