private Action <TCase> GenerateSetter(AttributeSchema attributeSchema, AttributeDefinition attributeDefinition)
{
Func <Delegate, Action <TCase> > factory = SetterFactory <int>;
var setter = DynamicCodeUtils.GenerateSetter <TCase>(attributeDefinition);
return(DynamicCodeUtils.DelegateInvoke(factory, attributeDefinition.Type, setter, this));
Action <TCase> SetterFactory <T>(Delegate generatedSetter)
{
if (!(generatedSetter is Setter <TCase, T> setterDelegate))
{
throw new InvalidOperationException("Encountered incorrect setter type.");
}
var getter = cursor.GetAttributeGetter <T>(attributeSchema);
return(target =>
{
T value = default;
getter(ref value);
setterDelegate(target, value);
});
}
}
private Action <TCase> GenerateIdSetter()
{
var setter = DynamicCodeUtils.GenerateSetter <TCase>(definition.IdAttribute);
if (!(setter is Setter <TCase, string> setterDelegate))
{
throw new InvalidOperationException("Encountered incorrect ID setter type.");
}
return(target =>
{
var value = cursor.GetId();
setterDelegate(target, value);
});
}
private Action <TCase> GenerateSolutionSetter()
{
Func <Delegate, Action <TCase> > factory = SetterFactory <int>;
var setter = DynamicCodeUtils.GenerateSetter <TCase>(definition.SolutionAttribute);
return(DynamicCodeUtils.DelegateInvoke(factory, definition.SolutionAttribute.Type, setter, this));
Action <TCase> SetterFactory <T>(Delegate generatedSetter)
{
if (!(generatedSetter is Setter <TCase, T> setterDelegate))
{
throw new InvalidOperationException("Encountered incorrect solution setter type.");
}
return(target =>
{
var value = cursor.GetSolution <T>();
setterDelegate(target, value);
});
}
}
