public virtual ModelVariable this[Type type]
{
//Find first, fail if not found, although make it easier to debug
get
{
ModelVariables found = this.FindType(type);
if (found == null || found.Count <= 0)
{
throw new IndexOutOfRangeException(this.Name + "['" + type + "'] is not found");
}
return(found.First);
}
}
///<summary>Finds a model variable in this collection of the specified type</summary>
public virtual ModelVariables FindType(Type type)
{
//Find a matching variable, of the specified type
ModelVariables found = new ModelVariables();
foreach (ModelVariable variable in this)
{
if (variable.Type == type)
{
found.Add(variable);
}
}
return(found);
}
protected bool MeetsRequirements(ModelRequirements requirements, out ModelRequirement failedrequirement)
{
if (requirements != null)
{
//Loop over all requirements
foreach (ModelRequirement requirement in requirements)
{
//Ignore disabled requirements
if (requirement.Weight == 0 || requirement.Disabled)
{
continue;
}
//By default were just looking at this specific variable instance
//However if 'Global' is enabled, consider this variable on any models of this type
List <Object> currentValues = new List <Object>();
if (requirement.Global)
{
//Note: We do this check everytime, since models could have been added dynamically
if (requirement.Variable != null)
{
foreach (Model model in this.Models.FindType(requirement.Variable.Model.GetType()))
{
ModelVariables variables = model.Variables.Find(requirement.Variable.Name);
foreach (ModelVariable variable in variables)
{
currentValues.Add(variable.CachedValue);
}
}
}
else
{
currentValues.Add(true);
}
}
else
{
if (requirement.Variable == null)
{
throw new ModelException(this, "Variable is null?");
}
currentValues.Add(requirement.Variable.CachedValue);
}
//See if this requirement is met
bool matched = false;
foreach (Object value in currentValues)
{
if (requirement.Evaluate(value))
{
matched = true;
break;
}
}
//Stop on first mis-match, (ie: at least one requirement didn't match)
if (!matched)
{
//First failed requirement
//Note: This has to be order based, since production checks conditions in-order
//and will fail (and throw) according to the first one not meet
failedrequirement = requirement;
return(false);
}
}
}
failedrequirement = null;
return(true);
}
public override void Reload()
{
//Clear, so they will be dynamically setup by reflection again
_actions = null;
_variables = null;
}