/// <summary>
/// Creates a new BagNode for the specified PropBag, optionally using a collection of PropNodes as the source.
/// The source PropNodes are cloned. If the value of a PropNode cannot be cloned, an InvalidOperation exception will be thrown.
/// This is the core of IPropBag.Clone()
/// </summary>
/// <param name="objectId">The new globally unique Id to use for this new BagNode.</param>
/// <param name="propBag">The client IPropBag.</param>
/// <param name="template">A Collection of PropNodes to use as a template for the new PropBag's Child PropItems. Can be null.</param>
/// <param name="maxPropsPerObject">The maximum number of PropItems a single PropBag can have.</param>
/// <param name="callPSParentNodeChangedEventSubsCache">A reference to a service that caches Parent Node Change Event dispatchers.</param>
public BagNode(ObjectIdType objectId, IPropBag propBag, PropNodeCollectionIntInterface template, int maxPropsPerObject, ICacheDelegates <CallPSParentNodeChangedEventSubDelegate> callPSParentNodeChangedEventSubsCache)
{
CompKey = new SimpleExKey(objectId, 0);
PropBagProxy = new WeakRefKey <IPropBag>(propBag ?? throw new ArgumentNullException(nameof(propBag)));
_callPSParentNodeChangedEventSubsCache = callPSParentNodeChangedEventSubsCache ?? throw new ArgumentNullException(nameof(callPSParentNodeChangedEventSubsCache));
_parentNCSubscriberCollection = null;
if (template == null)
{
_propNodeCollection = new PropNodeCollection(maxPropsPerObject);
}
else
{
_propNodeCollection = ClonePropNodes(template, this);
//var x = EqualityComparer<WeakRefKey<PropModelType>?>.Default;
//bool propItemSetIdsMatch = x.Equals(_propNodeCollection.PropItemSetId, template.PropItemSetId);
//System.Diagnostics.Debug.Assert(EqualityComparer<WeakRefKey<PropModelType>?>.Default.Equals(_propNodeCollection.PropItemSetId, template.PropItemSetId), "PropItemSetIds don't match.");
bool propItemSetIdsMatch = _propNodeCollection.PropItemSetKey == template.PropItemSetKey;
System.Diagnostics.Debug.Assert(propItemSetIdsMatch, "PropItemSetIds don't match.");
System.Diagnostics.Debug.Assert(_propNodeCollection.IsFixed == template.IsFixed, "IsFixed doesn't match.");
}
}
public bool TryRemove(IPropBag propBag, PropIdType propId, out IPropGen propData)
{
SimpleExKey exKey = GetCompKey(propBag, propId);
bool result = _theGlobalStore.TryRemove(exKey, out propData);
return(result);
}
SimpleExKey GetCompKey(IPropBag propBag, PropIdType propId)
{
ObjectIdType objectId = GetAndCheckObjectRef(propBag);
CompositeKeyType cKey = _compKeyManager.JoinComp(objectId, propId);
SimpleExKey exKey = new SimpleExKey(cKey, _clientAccessToken, objectId, propId);
return(exKey);
}
public bool ContainsKey(IPropBag propBag, PropIdType propId)
{
SimpleExKey exKey = GetCompKey(propBag, propId);
bool result = _theGlobalStore.ContainsKey(exKey);
return(result);
}
public PropNode(PropIdType propId, IPropDataInternal propData_Internal, BagNode parent)
{
CompKey = new SimpleExKey(parent.ObjectId, propId);
PropData_Internal = propData_Internal ?? throw new ArgumentNullException(nameof(propData_Internal));
//parent.AddChild(this);
Parent = parent;
Child = null;
}
ObjectIdType GetAndCheckObjectRef(IPropBag propBag)
{
IPropBag client = SimpleExKey.UnwrapWeakRef(_clientAccessToken);
if (!object.ReferenceEquals(propBag, client))
{
throw new InvalidOperationException("This PropStoreAccessService can only service the PropBag object that created it.");
}
ObjectIdType result = _objectId;
return(result);
}
public IPropGen this[IPropBag propBag, PropIdType propId]
{
get
{
SimpleExKey exKey = GetCompKey(propBag, propId);
IPropGen result = _theGlobalStore[exKey];
return(result);
}
set
{
SimpleExKey exKey = GetCompKey(propBag, propId);
_theGlobalStore[exKey] = value;
}
}
SimpleExKey IHaveTheSimpleKey.GetTheKey(IPropBag propBag, PropIdType propId)
{
SimpleExKey result = GetCompKey(propBag, propId);
return(result);
}