internal GraphObject(JValue data)
{
GraphObject t = null;
switch (data.Type)
{
case JTokenType.String:
case JTokenType.Date:
case JTokenType.TimeSpan:
case JTokenType.Guid:
case JTokenType.Uri:
t = GraphObject.FromData(data.ToString());
break;
case JTokenType.Integer:
t = GraphObject.FromData(data.Value <long>());
break;
case JTokenType.Boolean:
t = GraphObject.FromData(data.Value <bool>());
break;
case JTokenType.Float:
t = GraphObject.FromData(data.Value <double>());
break;
default:
throw new InvalidOperationException($"{data.Type} not support as object");
}
IsID = t.IsID;
_value = t._value;
}
public static void RetractByObject(this IGraph graph, GraphObject o)
{
foreach (var t in graph.GetByObject(o).ToList())
{
graph.Retract(t);
}
}
// implementation of framing/compact processing
private static JToken ProcessObject(WriteContext context, IGraph graph, GraphObject o)
{
if (o.IsID)
{
return(ProcessSubject(context, graph, o.Id));
}
else
{
return(JToken.Parse(o.ToJSON()));
}
}
public bool Exists(string ts, string tp, GraphObject to)
{
IDictionary <string, ISet <GraphObject> > po;
if (_spo.TryGetValue(ts, out po))
{
ISet <GraphObject> o;
if (po.TryGetValue(tp, out o))
{
return(o.Contains(to));
}
}
return(false);
}
private void InnerWriteObject(GraphObject o)
{
if (o.IsID)
{
_writer.WriteStartObject();
_writer.WritePropertyName("@id");
_writer.WriteValue(o.Id);
_writer.WriteEndObject();
}
else
{
_writer.WriteRawValue(o.ToJSON());
}
}
public IEnumerable <Triple> GetByObject(GraphObject to)
{
IDictionary <string, ISet <string> > sp;
if (_osp.TryGetValue(to, out sp))
{
foreach (var s in sp)
{
foreach (var p in s.Value)
{
yield return(new Triple(s.Key, p, to));
}
}
}
}
public IEnumerable <Triple> GetByObjectSubject(GraphObject to, string ts)
{
IDictionary <string, ISet <string> > sp;
if (_osp.TryGetValue(to, out sp))
{
ISet <string> p;
if (sp.TryGetValue(ts, out p))
{
foreach (var tp in p)
{
yield return(new Triple(ts, tp, to));
}
}
}
}
public IEnumerable <Triple> GetByPredicateObject(string tp, GraphObject to)
{
IDictionary <GraphObject, ISet <string> > os;
if (_pos.TryGetValue(tp, out os))
{
ISet <string> s;
if (os.TryGetValue(to, out s))
{
foreach (var ts in s)
{
yield return(new Triple(ts, tp, to));
}
}
}
}
public bool Retract(string s, string p, GraphObject o)
{
if (s == null || p == null || o == null || o.IsNull)
{
return(false);
}
if (Retract(_spo, s, p, o))
{
if (Retract(_pos, p, o, s))
{
if (Retract(_osp, o, s, p))
{
Count--;
return(true);
}
}
}
return(false);
}
public IEnumerable <Triple> GetByObjectSubject(GraphObject to, string ts)
{
return(_innerGraph.GetByObjectSubject(to, ts));
}
public void WriteObject(GraphObject o)
{
_currentObjects.Add(o);
}
public Triple(string s, string p, GraphObject o)
{
Subject = s;
Predicate = p;
Object = o;
}
public bool Assert(string s, string p, GraphObject o)
{
return(Assert(new Triple(s, p, o)));
}
public bool Exists(string ts, string tp, GraphObject to)
{
return(_innerGraph.Exists(ts, tp, to));
}
public IEnumerable <Triple> GetByPredicateObject(string tp, GraphObject to)
{
return(_innerGraph.GetByPredicateObject(tp, to));
}
public IEnumerable <Triple> GetByObject(GraphObject to)
{
return(_innerGraph.GetByObject(to));
}
public bool Retract(string s, string p, GraphObject o)
{
return(Retract(new Triple(s, p, o)));
}