private void RemoveRelation(SimRelation relation)
{
var r = _relations.FirstOrDefault(a => a.Equals(relation)) ?? throw new ArgumentException($"{relation} could not be found on the current graph");
// Change the state to removed
r.ChangeState = ChangeState.Removed;
}
private void UpdateRelation(SimRelation relation)
{
// Remove old version
var removed = _relations.Remove(relation) ? true : throw new ArgumentException($"{relation} could not be found on the current graph");
// Add new version and change the state to Modified
relation.ChangeState = ChangeState.Modified;
_relations.Add(relation);
}
private void AddRelation(SimRelation relation)
{
// Check if relation is already available on the graph
if (_relations.Contains(relation))
{
return;
}
// Add nodes
AddNode(relation.Origin);
AddNode(relation.Target);
// Subscribe to this node
_client?.ChangeTracker.SubscribeToChangeStateEvent(relation);
// Change state of the relation to Added and add to graph
relation.ChangeState = ChangeState.Added;
_relations.Add(relation);
}
