public BluedotDictionary(LazyLoadingBehaviour lazyLoading = null, DirtyTrackingBehaviour dirtyTracking = null, ReadOnlyBehaviour readOnly = null, WeakReferenceBehaviour weakReference = null)
{
LazyLoading = lazyLoading;
DirtyTracking = dirtyTracking;
ReadOnly = readOnly;
WeakReference = weakReference;
if (LazyLoading != null && LazyLoading.Values)
{
_lazyKeys = new HashSet <TKey>();
}
if (DirtyTracking != null && DirtyTracking.Values)
{
_dirtyKeys = new HashSet <TKey>();
}
if (WeakReference != null && WeakReference.Values)
{
_weakDictionary = new Dictionary <TKey, WeakReference <TValue> >();
}
else
{
_strongDictionary = new Dictionary <TKey, TValue>();
}
}
public static ISet <T> AsReadOnlySet <T>(this ISet <T> set, ReadOnlyBehaviour behaviour = ReadOnlyBehaviour.CreateProxy)
{
switch (behaviour)
{
case ReadOnlyBehaviour.CastIfPossible:
case ReadOnlyBehaviour.CreateProxy: return(new SetProxy <T>(set));
case ReadOnlyBehaviour.CopyElements: return(new SetProxy <T>(new HashSet <T>(set)));
default: throw new ArgumentException();
}
}
public static IReadOnlyList <T> AsReadOnly <T>(this IList <T> list, ReadOnlyBehaviour behaviour = ReadOnlyBehaviour.CastIfPossible)
{
switch (behaviour)
{
case ReadOnlyBehaviour.CastIfPossible: return(list as IReadOnlyList <T> ?? new ListProxy <T>(list));
case ReadOnlyBehaviour.CreateProxy: return(new ListProxy <T>(list));
case ReadOnlyBehaviour.CopyElements: return(new List <T>(list));
default: throw new ArgumentException();
}
}
public static IReadOnlyCollection <T> AsReadOnly <T>(this ICollection <T> collection, ReadOnlyBehaviour behaviour = ReadOnlyBehaviour.CastIfPossible)
{
switch (behaviour)
{
case ReadOnlyBehaviour.CastIfPossible: return(collection as IReadOnlyCollection <T> ?? new CollectionProxy <T>(collection));
case ReadOnlyBehaviour.CreateProxy: return(new CollectionProxy <T>(collection));
case ReadOnlyBehaviour.CopyElements: return(new List <T>(collection));
default: throw new ArgumentException();
}
}
public static IReadOnlyDictionary <TKey, TValue> AsReadOnly <TKey, TValue>(this IDictionary <TKey, TValue> dictionary, ReadOnlyBehaviour behaviour = ReadOnlyBehaviour.CastIfPossible)
{
switch (behaviour)
{
case ReadOnlyBehaviour.CastIfPossible: return(dictionary as IReadOnlyDictionary <TKey, TValue> ?? new DictionaryProxy <TKey, TValue>(dictionary));
case ReadOnlyBehaviour.CreateProxy: return(new DictionaryProxy <TKey, TValue>(dictionary));
case ReadOnlyBehaviour.CopyElements: return(new Dictionary <TKey, TValue>(dictionary));
default: throw new ArgumentException();
}
}
