/// returns the factory that corresponds to the given model
protected static UMLFactory getFactory(UMLModel model)
{
UMLFactory instance = null;
instances.TryGetValue(model, out instance);
return(instance);
}
private static void addFactory(UMLModel model, UMLFactory factory)
{
if (!instances.ContainsKey(model))
{
instances.Add(model, factory);
}
}
/// returns the singleton instance of the factory
public static UMLFactory getInstance(UMLModel model)
{
UMLFactory instance = getFactory(model);
if (instance == null)
{
instance = model.factory;
}
return(instance);
}
public UMLFactory(UMLModel model)
{
this.model = model;
UMLFactory.addFactory(model, this);
}