protected UpdateMutation(T item, IdentifierFactory identifierFactory) : base(item, identifierFactory)
{
if (item.IsNew())
{
throw new ArgumentException(nameof(item));
}
Sets = new List <Action <T> >();
}
public DeleteEdgeMutation(T item, IdentifierFactory identifierFactory) : base(item, identifierFactory)
{
}
protected GraphMutation(T item, IdentifierFactory identifierFactory)
{
Item = item;
Identifier = identifierFactory.GetIdentifier(item.GetType().Name);
}
public CreateEdgeMutation(T edge, V @from, V to, List <IGraphMutation> mutations, IdentifierFactory factory) : this(edge, factory)
{
var f = mutations.FirstOrDefault(p => p.GraphItem == @from)?.Identifier;
var t = mutations.FirstOrDefault(p => p.GraphItem == to)?.Identifier;
_query = (@from?.Rid, to?.Rid, f, t) switch
{
(string fromV, string toV, _, _) =>
new Let(
new Create(new Edge(), new GraphClass(Item.GetType()), new From(new Rid(fromV)), new To(new Rid(toV)), GetSetter()), Identifier),
(null, string toV, Identifier fV, _) =>
new Let(
new Create(new Edge(), new GraphClass(Item.GetType()), new From(fV), new To(new Rid(toV)), GetSetter()), Identifier),
(string fromV, null, _, Identifier tV) =>
new Let(
new Create(new Edge(), new GraphClass(Item.GetType()), new From(new Rid(fromV)), new To(tV), GetSetter()), Identifier),
(null, null, Identifier fV, Identifier tV) =>
new Let(
new Create(new Edge(), new GraphClass(Item.GetType()), new From(fV), new To(tV), GetSetter()), Identifier),
_ => throw new InvalidOperationException()
}
;
}
public UpdateEdgeMutation(T item, IdentifierFactory identifierFactory) : base(item, identifierFactory)
{
_update = new Update(new Edge(), new Rid(item.Rid), new Set(null));
}
public MutableGraph(ReadonlyGraph graph)
{
_graph = graph;
_mutations = new List <IGraphMutation>();
_factory = new IdentifierFactory();
}
public CreateVertexMutation(T item, IdentifierFactory identifierFactory) : base(item, identifierFactory)
{
}