/// <summary>
/// Set the current state of this dataobject to be the set of triples provided.
/// </summary>
/// <param name="triples">Dataobject state</param>
/// <param name="asNewTriples">Also add the triples to the list of new triples on the context store</param>
/// <param name="enforceClassUniqueConstraint">Add update preconditions to ensure that the update fails if the store already contains
/// a resource with the same identity and the same rdf:type(s) as this data object.</param>
internal bool BindTriples(IEnumerable <Triple> triples, bool asNewTriples = false, bool enforceClassUniqueConstraint = false)
{
if (_isLoaded)
{
// We are rebinding an existing data object due to a refresh
var updateTriples = triples.ToList();
if (updateTriples.Count == 0)
{
// The store has no triples for this subject
return(false);
}
_triples = updateTriples;
if (asNewTriples)
{
_store.AddTriples.AddRange(_triples);
if (enforceClassUniqueConstraint)
{
_store.SetClassUniqueConstraints(
Identity,
_triples.Where(
x => x.Predicate.Equals(TypeDataObject.Identity) && x.Subject.Equals(Identity)).Select(x => x.Object));
}
}
return(true);
}
_triples = triples.ToList();
if (asNewTriples)
{
_store.AddTriples.AddRange(_triples);
if (enforceClassUniqueConstraint)
{
_store.SetClassUniqueConstraints(
Identity,
_triples.Where(
x => x.Predicate.Equals(TypeDataObject.Identity) && x.Subject.Equals(Identity))
.Select(x => x.Object));
}
}
_isLoaded = true;
return(true);
}
