// Must be called under ThisLock. Doesn't validate the InstanceOwner.
private InstanceNormalEvent GetOwnerEventHelper(InstancePersistenceEvent persistenceEvent, InstanceOwner owner)
{
if (!owner.Events.TryGetValue(persistenceEvent.Name, out InstanceNormalEvent normal))
{
normal = new InstanceNormalEvent(persistenceEvent);
owner.Events.Add(persistenceEvent.Name, normal);
}
return(normal);
}
internal void PendHandleToEvent(InstanceHandle handle, InstancePersistenceEvent persistenceEvent, InstanceOwner owner)
{
lock (ThisLock)
{
Fx.Assert(_owners.ContainsKey(owner.InstanceOwnerId), "InstanceHandle called PendHandleToEvent on wrong InstanceStore!!");
Fx.Assert(object.ReferenceEquals(_owners[owner.InstanceOwnerId].Target, owner), "How did multiple of the same owner become simultaneously active?");
InstanceNormalEvent normal = GetOwnerEventHelper(persistenceEvent, owner);
Fx.Assert(!normal.PendingHandles.Contains(handle), "Should not have already pended the handle.");
Fx.Assert(!normal.BoundHandles.Contains(handle), "Should not be able to pend an already-bound handle.");
normal.PendingHandles.Add(handle);
}
}
internal InstancePersistenceEvent AddHandleToEvent(InstanceHandle handle, InstancePersistenceEvent persistenceEvent, InstanceOwner owner)
{
lock (ThisLock)
{
Fx.Assert(_owners.ContainsKey(owner.InstanceOwnerId), "InstanceHandle called AddHandleToEvent on wrong InstanceStore!!");
Fx.Assert(object.ReferenceEquals(_owners[owner.InstanceOwnerId].Target, owner), "How did multiple instances of the same owner become simultaneously active?");
InstanceNormalEvent normal = GetOwnerEventHelper(persistenceEvent, owner);
Fx.Assert(normal.PendingHandles.Contains(handle), "Should have already pended the handle.");
Fx.Assert(!normal.BoundHandles.Contains(handle), "Should not be able to add a handle to an event twice.");
normal.BoundHandles.Add(handle);
normal.PendingHandles.Remove(handle);
return(normal.IsSignaled ? normal : null);
}
}
