public void DeleteTriples(IEnumerable <Triple> ts, IDocument <Document, Document> document)
{
//Generate the JSON String
Graph g = new Graph();
g.Assert(ts);
String json = VDS.RDF.Writing.StringWriter.Write(g, this._writer);
Object[] toDelete = MongoDBHelper.JsonArrayToObjects(json);
//Then load the existing Triples from the Document
Document mongoDoc = document.BeginWrite(false);
if (mongoDoc["graph"] != null)
{
//Only need to do something if the Graph is non-empty
List <Object> existing = MongoDBHelper.DocumentListToObjectList(mongoDoc["graph"]);
foreach (Object obj in toDelete)
{
existing.Remove(obj);
}
mongoDoc["graph"] = existing.ToArray();
}
document.EndWrite();
}
public void AppendTriples(IEnumerable <Triple> ts, IDocument <Document, Document> document)
{
//Generate our JSON String
Graph g = new Graph();
g.Assert(ts);
String json = VDS.RDF.Writing.StringWriter.Write(g, this._writer);
//Then convert this to a Document
Document mongoDoc = document.BeginWrite(false);
Object[] temp = MongoDBHelper.JsonArrayToObjects(json);
if (mongoDoc["graph"] != null)
{
List <Object> existing = MongoDBHelper.DocumentListToObjectList(mongoDoc["graph"]);
existing.AddRange(temp);
mongoDoc["graph"] = existing.ToArray();
}
else
{
//If it was null this was a new Document
mongoDoc["graph"] = temp;
}
document.EndWrite();
}
