protected override void RelCreationChange(EntityChangeRelCreation item)
{
IEnumerable <EntityChangeDescriptor> temp = ChangeLog.Where(p => p.Entity == item.Entity);
if (temp.Any(p => p is EntityChangeRelCreation == false))
{
throw new InvalidOperationException("Unable to schedule a relationship creation for an entity already tracked.");
}
if (temp.Any() && temp.Any(p => !p.Equals(item)))
{
throw new InvalidOperationException("Unable to schedule a relationship creation. Already tracked for another source-destination pair.");
}
if (ChangeLog.Any(p => p is EntityChangeNodeDeletion && p.Entity == item.Source) ||
item.Source.EntityId == null && !ChangeLog.Any(p => p is EntityChangeNodeCreation && p.Entity == item.Source))
{
throw new ArgumentException("Invalid source node");
}
if (ChangeLog.Any(p => p is EntityChangeNodeDeletion && p.Entity == item.Destination) ||
item.Destination.EntityId == null && !ChangeLog.Any(p => p is EntityChangeNodeCreation && p.Entity == item.Destination))
{
throw new ArgumentException("Invalid destination node");
}
if (!temp.Any())
{
ChangeLog.Add(item);
}
}
protected abstract void RelCreationChange(EntityChangeRelCreation item);
public override bool Equals(object obj)
{
EntityChangeRelCreation other = obj as EntityChangeRelCreation;
return(base.Equals(obj) && other?.Source == Source && other?.Destination == Destination);
}