public bool Equals(WeakRefKey <T> other)
{
//if (_weakRef == null && other._weakRef == null) return true;
//if (_weakRef == null || other._weakRef == null) return false;
//T c1 = Target;
//T c2 = other.Target;
//if (c1 != null && c2 != null)
// return (c1 == c2); // Reference Equality, could have used ReferenceEquals(c1, c2)
//else
// return (_weakRef == other._weakRef);
T c1 = Target;
T c2 = other.Target;
if (c1 != null && c2 != null)
{
return(ReferenceEquals(c1, c2));
}
else
{
return(ReferenceEquals(_weakRef, other._weakRef));
}
}
public PropItemSetKey()
{
PropModel_wrKey = default(WeakRefKey <IPropModel <L2TRaw> >);
FullClassName = null;
GenerationId = 0;
IsFixed = false;
}
// Target and Method. Also used for TypeDelegate and TypedAction.
public SubscriptionKeyGen(ExKeyT sourcePropId, Type propertyType,
object target, MethodInfo method,
SubscriptionKind kind,
SubscriptionPriorityGroup subscriptionPriorityGroup,
bool keepRef,
Func <ISubscriptionKeyGen, IProvideHandlerDispatchDelegateCaches, ISubscription> subscriptionFactory)
{
OwnerPropId = sourcePropId;
PropertyType = propertyType;
SubscriptionKind = kind;
SubscriptionPriorityGroup = subscriptionPriorityGroup;
//SubscriptionTargetKind = GetKindOfTarget(target, keepRef);
//GenDoWhenChanged = null;
//Action = null;
if (target == null)
{
throw new ArgumentNullException(nameof(target));
}
Target_Wrk = new WeakRefKey(target);
Method = method ?? throw new ArgumentNullException(nameof(method));
SubscriptionFactory = subscriptionFactory ?? CreateSubscriptionGen;
BindingFactory = null;
HasBeenUsed = false;
}
public PSAccessServiceInterface CreatePropStoreService(IPropBag propBag, PropNodeCollectionInternalInterface propNodes, out BagNode newBagNode)
{
// Issue a new, unique Id for this propBag.
ObjectIdType objectId = NextObjectId;
// Create a new PropStoreNode for this PropBag
newBagNode = new BagNode(objectId, propBag, propNodes, MaxPropsPerObject, _handlerDispatchDelegateCacheProvider.CallPSParentNodeChangedEventSubsCache);
WeakRefKey <IPropBag> propBagProxy = newBagNode.PropBagProxy;
lock (_sync)
{
// Add the node to the global store.
_store.Add(propBagProxy, newBagNode);
// If the PropNodeCollection is fixed, update our Store By Type (for fast lookups.)
if (newBagNode.PropNodeCollection.IsFixed)
{
AddFixedPropCollection(newBagNode.PropNodeCollection);
}
}
// Create the access service.
PSAccessServiceInterface result = new SimplePropStoreAccessService
(
newBagNode,
this,
_handlerDispatchDelegateCacheProvider
);
// Add one more to the total count of PropStoreAccessServices created.
IncAccessServicesCreated();
return(result);
}
public object GetValueFast(WeakRefKey <IPropBag> propBag_wrKey, PropIdType propId, PropItemSetKeyType propItemSetKey)
{
BagNode propBagNode = GetBagAndChild(propBag_wrKey, propItemSetKey, propId, out PropNode child);
object result = child.PropData_Internal.TypedProp.TypedValueAsObject;
return(result);
}
public PropItemSetKey(IPropModel <L2TRaw> propModel)
{
PropModel_wrKey = new WeakRefKey <IPropModel <L2TRaw> >(propModel);
FullClassName = propModel.FullClassName ?? throw new ArgumentNullException("The propModel must have a non-null FullClassName.");
GenerationId = propModel.GenerationId;
IsFixed = propModel.IsFixed;
_hashCode = ComputetHashCode();
}
public bool TryGetPropBagNode(IPropBag propBag, out BagNode propBagNode)
{
WeakRefKey <IPropBag> propBag_wrKey = new WeakRefKey <IPropBag>(propBag);
bool result = TryGetPropBagNode(propBag_wrKey, out propBagNode);
if (!result)
{
System.Diagnostics.Debug.WriteLine($"The PropStore could not retreive a BagNode for the PropBag with full classname = {propBag.FullClassName}.");
}
return(result);
}
public ParentNCSubscriptionRequest(ExKeyT sourcePropId, EventHandler <PSNodeParentChangedEventArgs> handler)
{
OwnerPropId = sourcePropId;
object target = handler.Target ?? throw new ArgumentNullException(nameof(handler.Target));
Target_Wrk = new WeakRefKey(target);
Method = handler.Method ?? throw new ArgumentNullException(nameof(handler.Method));
SubscriptionFactory = CreateSubscriptionGen;
HasBeenUsed = false;
}
internal bool TryGetPropBagNode(WeakRefKey <IPropBag> propBag_wrKey, out BagNode propBagNode)
{
lock (_sync)
{
if (_store.TryGetValue(propBag_wrKey, out propBagNode))
{
return(true);
}
}
propBagNode = null;
return(false);
}
public bool SetValueFast(WeakRefKey <IPropBag> propBag_wrKey, PropIdType propId, PropItemSetKeyType propItemSetKey, object value)
{
if (!propBag_wrKey.TryGetTarget(out IPropBag component))
{
// The target has been Garbage Collected, its ok to simply return false since the client is no longer waiting for our result.
return(false);
}
BagNode propBagNode = GetBagAndChild(propBag_wrKey, propItemSetKey, propId, out PropNode child);
bool result = SetPropValue(component, child, propId, value);
return(result);
}
public bool SetValueFast(IPropBag component, PropIdType propId, PropItemSetKeyType propItemSetKey, object value)
{
if (component is IPropBagInternal ipbi)
{
if (ipbi is IHaveTheStoreNode ihtsn)
{
BagNode propBagNode = (ipbi as IHaveTheStoreNode)?.PropBagNode;
bool result1 = _propStoreAccessServiceProvider.SetValueFast(propBagNode, propId, propItemSetKey, value);
return(result1);
}
}
//ExKeyT compKey = GetCompKey(component, propId);
WeakRefKey <IPropBag> propBag_wrKey = new WeakRefKey <IPropBag>(component);
bool result2 = _propStoreAccessServiceProvider.SetValueFast(propBag_wrKey, propId, propItemSetKey, value);
return(result2);
}
public object GetValueFast(IPropBag component, PropIdType propId, PropItemSetKeyType propItemSetKey)
{
if (component is IPropBagInternal ipbi)
{
//if(ipbi.ItsStoreAccessor is IHaveTheStoreNode ihtsn)
//{
// BagNode propBagNode = ihtsn.PropBagNode;
// object result1 = _propStoreAccessServiceProvider.GetValueFast(propBagNode, propId, propItemSetKey);
// return result1;
//}
BagNode propBagNode = ((IHaveTheStoreNode)ipbi.ItsStoreAccessor).PropBagNode;
object result1 = _propStoreAccessServiceProvider.GetValueFast(propBagNode, propId, propItemSetKey);
return(result1);
}
//ExKeyT compKey = GetCompKey(component, propId);
WeakRefKey <IPropBag> propBag_wrKey = new WeakRefKey <IPropBag>(component);
object result2 = _propStoreAccessServiceProvider.GetValueFast(propBag_wrKey, propId, propItemSetKey);
return(result2);
}
private BagNode GetBagAndChild(WeakRefKey <IPropBag> propBag_wrKey, PropItemSetKeyType propItemSetKey, PropIdType propId, out PropNode child)
{
if (!TryGetPropBagNode(propBag_wrKey, out BagNode propBagNode))
{
throw new InvalidOperationException("The store has lost this node.");
}
if (!propBag_wrKey.TryGetTarget(out IPropBag target))
{
throw new InvalidOperationException("IPropBag target has been Garbage Collected.");
}
if (propItemSetKey != propBagNode.PropItemSetKey)
{
throw new InvalidOperationException("Bad PropModel.");
}
//if (!propItemSetId.Value.TryGetTarget(out PropModelType testModel))
//{
// throw new InvalidOperationException("The specified PropItemSetId has been Garbage Collected.");
//}
//if (!propBagNode.PropItemSetId.Value.TryGetTarget(out PropModelType testModel_fromBagNode))
//{
// throw new InvalidOperationException("The PropItemSetId on our BagNode has been Garbage Collected.");
//}
//if(!ReferenceEquals(testModel, testModel_fromBagNode))
//{
// throw new InvalidOperationException("PropItemSet do not match.");
//}
if (!propBagNode.TryGetChild(propId, out child))
{
throw new InvalidOperationException("Could not retrieve PropNode for that compKey.");
}
return(propBagNode);
}
// Changing PropertyChangingEventHandler
public SubscriptionKeyGen(ExKeyT sourcePropId, PropertyChangingEventHandler changingDelegate,
SubscriptionPriorityGroup subscriptionPriorityGroup, bool keepRef)
{
OwnerPropId = sourcePropId;
PropertyType = null;
SubscriptionKind = SubscriptionKind.ChangingHandler;
SubscriptionPriorityGroup = subscriptionPriorityGroup;
//SubscriptionTargetKind = GetKindOfTarget(standardDelegate.Target, keepRef);
//GenDoWhenChanged = null;
//Action = null;
object target = changingDelegate.Target ?? throw new ArgumentNullException(nameof(changingDelegate.Target));
Target_Wrk = new WeakRefKey(target);
Method = changingDelegate.Method ?? throw new ArgumentNullException(nameof(changingDelegate.Method));
SubscriptionFactory = CreateSubscriptionGen;
BindingFactory = null;
HasBeenUsed = false;
}
// ActionNoParams
protected SubscriptionKeyGen(ExKeyT sourcePropId, Action action,
SubscriptionPriorityGroup subscriptionPriorityGroup,
bool keepRef,
Func <ISubscriptionKeyGen, IProvideHandlerDispatchDelegateCaches, ISubscription> subscriptionFactory)
{
OwnerPropId = sourcePropId;
PropertyType = null;
SubscriptionKind = SubscriptionKind.ActionNoParams;
SubscriptionPriorityGroup = subscriptionPriorityGroup;
//SubscriptionTargetKind = GetKindOfTarget(action.Target, keepRef);
//GenDoWhenChanged = null;
//Action = action;
object target = action.Target ?? throw new ArgumentNullException(nameof(action.Target));
Target_Wrk = new WeakRefKey(target);
Method = action.Method ?? throw new ArgumentNullException(nameof(action.Method));
SubscriptionFactory = subscriptionFactory;
BindingFactory = null;
HasBeenUsed = false;
}
// Action<object, object>
protected SubscriptionKeyGen(ExKeyT sourcePropId, Action <object, object> genAction,
SubscriptionPriorityGroup subscriptionPriorityGroup,
bool keepRef,
Func <ISubscriptionKeyGen, IProvideHandlerDispatchDelegateCaches, ISubscription> subscriptionFactory)
{
OwnerPropId = sourcePropId;
PropertyType = null;
SubscriptionKind = SubscriptionKind.ObjectAction;
SubscriptionPriorityGroup = subscriptionPriorityGroup;
//SubscriptionTargetKind = GetKindOfTarget(genAction.Target, keepRef);
//GenDoWhenChanged = genAction ?? throw new ArgumentNullException(nameof(genAction));
//Action = null;
object target = genAction.Target ?? throw new InvalidOperationException($"The value for Target on the GenAction action, cannot be null.");
Target_Wrk = new WeakRefKey(target);
Method = genAction.Method ?? throw new ArgumentNullException(nameof(genAction.Method));
SubscriptionFactory = subscriptionFactory;
BindingFactory = null;
HasBeenUsed = false;
}
