private static void WriteEdge(XmlWriter writer, Triple triple, bool collapseLiterals)
{
writer.WriteStartElement(GraphMLSpecsHelper.Edge);
writer.WriteAttributeString(GraphMLSpecsHelper.Source, triple.Subject.GetHashCode().ToString());
writer.WriteStartAttribute(GraphMLSpecsHelper.Target);
var id = GraphMLWriter.CalculateNodeId(triple.Object, triple, collapseLiterals);
writer.WriteString(id.GetHashCode().ToString());
GraphMLWriter.WriteData(writer, GraphMLSpecsHelper.EdgeLabel, triple.Predicate.ToString());
writer.WriteEndElement();
}
private static void WriteTriples(XmlWriter writer, IGraph graph, bool collapseLiterals)
{
var nodesAlreadyWritten = new HashSet <object>();
foreach (var triple in graph.Triples)
{
foreach (var node in new[] { triple.Subject, triple.Object })
{
var id = GraphMLWriter.CalculateNodeId(node, triple, collapseLiterals);
// Skip if already written
if (nodesAlreadyWritten.Add(id))
{
GraphMLWriter.WriteNode(writer, id.GetHashCode().ToString(), node.ToString());
}
}
GraphMLWriter.WriteEdge(writer, triple, collapseLiterals);
}
}
