/// <summary>
/// Used by the ObjectStateManager to attach or detach this EntityObject to the cache.
/// </summary>
/// <param name="changeTracker">
/// Reference to the ObjectStateEntry that contains this entity
/// </param>
void IEntityWithChangeTracker.SetChangeTracker(IEntityChangeTracker changeTracker)
{
// Fail if the change tracker is already set for this EntityObject and it's being set to something different
// If the original change tracker is associated with a disposed ObjectStateManager, then allow
// the entity to be attached
if (changeTracker != null && EntityChangeTracker != s_detachedEntityChangeTracker && !Object.ReferenceEquals(changeTracker, EntityChangeTracker))
{
EntityEntry entry = EntityChangeTracker as EntityEntry;
if (entry == null || !entry.ObjectStateManager.IsDisposed)
{
throw EntityUtil.EntityCantHaveMultipleChangeTrackers();
}
}
EntityChangeTracker = changeTracker;
}