/// <summary>
/// Updates the properties of a resource in the backing RDF store.
/// </summary>
/// <param name="resource">Resource that is to be updated in the backing store.</param>
/// <param name="transaction">Transaction associated with this action.</param>
public virtual void UpdateResource(Resource resource, ITransaction transaction = null)
{
string updateString;
if (resource.IsNew)
{
updateString = string.Format(@"WITH {0} INSERT {{ {1} }} WHERE {{}}",
SparqlSerializer.SerializeUri(Uri),
SparqlSerializer.SerializeResource(resource, IgnoreUnmappedProperties));
}
else
{
updateString = string.Format(@"WITH {0} DELETE {{ {1} ?p ?o. }} INSERT {{ {2} }} WHERE {{ OPTIONAL {{ {1} ?p ?o. }} }}",
SparqlSerializer.SerializeUri(Uri),
SparqlSerializer.SerializeUri(resource.Uri),
SparqlSerializer.SerializeResource(resource, IgnoreUnmappedProperties));
}
SparqlUpdate update = new SparqlUpdate(updateString)
{
Resource = resource
};
ExecuteUpdate(update, transaction);
resource.IsNew = false;
resource.IsSynchronized = true;
}
/// <summary>
/// Updates the properties of a resource in the backing RDF store.
/// </summary>
/// <param name="resource">Resource that is to be updated in the backing store.</param>
/// <param name="transaction">ransaction associated with this action.</param>
public void UpdateResource(Resource resource, ITransaction transaction = null)
{
string updateString;
if (resource.IsNew)
{
updateString = string.Format(@"WITH {0} INSERT {{ {1} }} WHERE {{}}",
SparqlSerializer.SerializeUri(Uri),
SparqlSerializer.SerializeResource(resource));
}
else
{
updateString = string.Format(@"WITH {0} DELETE {{ {1} ?p ?o. }} INSERT {{ {2} }} WHERE {{ {1} ?p ?o. }} ",
SparqlSerializer.SerializeUri(Uri),
SparqlSerializer.SerializeUri(resource.Uri),
SparqlSerializer.SerializeResource(resource));
}
SparqlUpdate update = new SparqlUpdate(updateString);
update.Resource = resource;
ExecuteUpdate(update, transaction);
resource.IsNew = false;
}