//-------------------------------------------------------------------------
public static bool GetIsDependencyAllowed(Type dependant, Type dependency)
{
if (AllowedDependencies.ContainsKey(dependant))
{
return(AllowedDependencies[dependant].Contains(dependency));
}
return(false);
}
//-------------------------------------------------------------------------
public static void AddAllowedDependency(Type dependant, Type dependency)
{
// Types must extend Entity class.
if (dependant.IsSubclassOf(typeof(Entity)) == false ||
dependency.IsSubclassOf(typeof(Entity)) == false)
{
throw new Exception("Dependant and dependency types must extend Entity.");
}
// First time a dependant of this type is used?
if (AllowedDependencies.ContainsKey(dependant) == false)
{
AllowedDependencies.Add(
dependant,
new List <Type>());
}
// Add the dependency for the dependant.
if (AllowedDependencies[dependant].Contains(dependency) == false)
{
AllowedDependencies[dependant].Add(dependency);
}
}