/// <summary>
/// Create a copy of the current instance
/// </summary>
/// <returns></returns>
public RuminantFilter Clone()
{
RuminantFilter clone = new RuminantFilter()
{
Parameter = this.Parameter,
Operator = this.Operator,
Value = this.Value
};
return(clone);
}
/// <summary>
/// Filter extensions for herd list
/// </summary>
public static List <Ruminant> Filter(this IEnumerable <Ruminant> individuals, IModel filterGroup)
{
double proportionToUse = (filterGroup as IFilterGroup).Proportion;
if (proportionToUse <= 0)
{
proportionToUse = 1;
}
bool femaleProperties = false;
bool maleProperties = false;
var rules = new List <Rule>();
foreach (RuminantFilter filter in filterGroup.FindAllChildren <RuminantFilter>())
{
ExpressionType op = (ExpressionType)Enum.Parse(typeof(ExpressionType), filter.Operator.ToString());
// create rule list
string gender = "";
switch (filter.Parameter)
{
case RuminantFilterParameters.IsDraught:
case RuminantFilterParameters.IsSire:
case RuminantFilterParameters.IsCastrate:
maleProperties = true;
gender = "Male";
break;
case RuminantFilterParameters.IsBreeder:
case RuminantFilterParameters.IsPregnant:
case RuminantFilterParameters.IsLactating:
case RuminantFilterParameters.IsPreBreeder:
case RuminantFilterParameters.MonthsSinceLastBirth:
femaleProperties = true;
gender = "Female";
break;
default:
break;
}
if (gender != "")
{
RuminantFilter fltr = new RuminantFilter()
{
Parameter = RuminantFilterParameters.Gender,
Operator = FilterOperators.Equal,
Value = gender
};
rules.Add(new Rule(fltr.Parameter.ToString(), (ExpressionType)Enum.Parse(typeof(ExpressionType), fltr.Operator.ToString()), fltr.Value));
}
rules.Add(new Rule(filter.Parameter.ToString(), op, filter.Value));
}
if (femaleProperties && maleProperties)
{
return(new List <Ruminant>());
}
else
{
if (femaleProperties)
{
if ((filterGroup as IFilterGroup).CombinedRules is null)
{
(filterGroup as IFilterGroup).CombinedRules = CompileRule(new List <RuminantFemale>(), rules);
}
var result = GetItemsThatMatchAll <RuminantFemale>(individuals.Where(a => a.Gender == Sex.Female).Cast <RuminantFemale>(), (filterGroup as IFilterGroup).CombinedRules as List <Func <RuminantFemale, bool> >);
if (proportionToUse < 1)
{
int numberToUse = Convert.ToInt32(Math.Ceiling(result.Count() / proportionToUse));
return(result.OrderBy(x => RandomNumberGenerator.Generator.Next()).Take(numberToUse).ToList <Ruminant>());
}
else
{
return(result.ToList <Ruminant>());
}
}
else if (maleProperties)
{
if ((filterGroup as IFilterGroup).CombinedRules is null)
{
(filterGroup as IFilterGroup).CombinedRules = CompileRule(new List <RuminantMale>(), rules);
}
var result = GetItemsThatMatchAll <RuminantMale>(individuals.Where(a => a.Gender == Sex.Male).Cast <RuminantMale>(), (filterGroup as IFilterGroup).CombinedRules as List <Func <RuminantMale, bool> >);
if (proportionToUse < 1)
{
int numberToUse = Convert.ToInt32(Math.Ceiling(result.Count() / proportionToUse));
return(result.OrderBy(x => RandomNumberGenerator.Generator.Next()).Take(numberToUse).ToList <Ruminant>());
}
else
{
return(result.ToList <Ruminant>());
}
}
else
{
if ((filterGroup as IFilterGroup).CombinedRules is null)
{
(filterGroup as IFilterGroup).CombinedRules = CompileRule(new List <Ruminant>(), rules);
}
var result = GetItemsThatMatchAll <Ruminant>(individuals, (filterGroup as IFilterGroup).CombinedRules as List <Func <Ruminant, bool> >);
if (proportionToUse < 1)
{
int numberToUse = Convert.ToInt32(Math.Ceiling(result.Count() / proportionToUse));
return(result.OrderBy(x => RandomNumberGenerator.Generator.Next()).Take(numberToUse).ToList <Ruminant>());
}
else
{
return(result.ToList <Ruminant>());
}
}
}
}
/// <summary>
/// Filter extensions for herd list
/// </summary>
public static List <Ruminant> Filter(this IEnumerable <Ruminant> individuals, Model filterGroup)
{
bool femaleProperties = false;
bool maleProperties = false;
var rules = new List <Rule>();
foreach (RuminantFilter filter in Apsim.Children(filterGroup, typeof(RuminantFilter)))
{
ExpressionType op = (ExpressionType)Enum.Parse(typeof(ExpressionType), filter.Operator.ToString());
// create rule list
string gender = "";
switch (filter.Parameter)
{
case RuminantFilterParameters.Draught:
case RuminantFilterParameters.BreedingSire:
maleProperties = true;
gender = "Male";
break;
case RuminantFilterParameters.IsBreeder:
case RuminantFilterParameters.IsPregnant:
case RuminantFilterParameters.IsLactating:
case RuminantFilterParameters.IsHeifer:
case RuminantFilterParameters.MonthsSinceLastBirth:
femaleProperties = true;
gender = "Female";
break;
default:
break;
}
if (gender != "")
{
RuminantFilter fltr = new RuminantFilter()
{
Parameter = RuminantFilterParameters.Gender,
Operator = FilterOperators.Equal,
Value = gender
};
rules.Add(new Rule(fltr.Parameter.ToString(), (ExpressionType)Enum.Parse(typeof(ExpressionType), fltr.Operator.ToString()), fltr.Value));
}
rules.Add(new Rule(filter.Parameter.ToString(), op, filter.Value));
}
if (femaleProperties && maleProperties)
{
return(new List <Ruminant>());
}
else
{
if (femaleProperties)
{
if ((filterGroup as IFilterGroup).CombinedRules is null)
{
(filterGroup as IFilterGroup).CombinedRules = CompileRule(new List <RuminantFemale>(), rules);
}
return(GetItemsThatMatchAll <RuminantFemale>(individuals.Where(a => a.Gender == Sex.Female).Cast <RuminantFemale>(), (filterGroup as IFilterGroup).CombinedRules as List <Func <RuminantFemale, bool> >).ToList <Ruminant>());
}
else if (maleProperties)
{
if ((filterGroup as IFilterGroup).CombinedRules is null)
{
(filterGroup as IFilterGroup).CombinedRules = CompileRule(new List <RuminantMale>(), rules);
}
return(GetItemsThatMatchAll <RuminantMale>(individuals.Where(a => a.Gender == Sex.Male).Cast <RuminantMale>(), (filterGroup as IFilterGroup).CombinedRules as List <Func <RuminantMale, bool> >).ToList <Ruminant>());
}
else
{
if ((filterGroup as IFilterGroup).CombinedRules is null)
{
(filterGroup as IFilterGroup).CombinedRules = CompileRule(new List <Ruminant>(), rules);
}
return(GetItemsThatMatchAll <Ruminant>(individuals, (filterGroup as IFilterGroup).CombinedRules as List <Func <Ruminant, bool> >).ToList <Ruminant>());
}
}
}
