/// <summary>
/// Adds or updates an edge.
/// </summary>
public sealed override void AddOrUpdateEdge(DirectedMetaGraph graph, uint vertex1, uint vertex2, uint contractedId, bool?direction, float weight)
{
graph.AddOrUpdateEdge(vertex1, vertex2, weight, direction, contractedId);
}
public void TestAddOrUpdateEdge()
{
// build graph.
var graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, null, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 99, null, Constants.NO_VERTEX);
// check result.
var edges = new List <MetaEdge>(graph.GetEdgeEnumerator(0).Where(x => x.Neighbour == 1));
Assert.AreEqual(1, edges.Count);
Assert.AreEqual(1, edges[0].Neighbour);
var edgeData = ContractedEdgeDataSerializer.Deserialize(edges[0].Data[0], edges[0].MetaData[0]);
Assert.AreEqual(null, edgeData.Direction);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(99, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, null, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 101, null, Constants.NO_VERTEX);
// check result.
edges = new List <MetaEdge>(graph.GetEdgeEnumerator(0).Where(x => x.Neighbour == 1));
Assert.AreEqual(1, edges.Count);
Assert.AreEqual(1, edges[0].Neighbour);
edgeData = ContractedEdgeDataSerializer.Deserialize(edges[0].Data[0], edges[0].MetaData[0]);
Assert.AreEqual(null, edgeData.Direction);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(100, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, true, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 99, true, Constants.NO_VERTEX);
// check result.
edges = new List <MetaEdge>(graph.GetEdgeEnumerator(0).Where(x => x.Neighbour == 1));
Assert.AreEqual(1, edges.Count);
Assert.AreEqual(1, edges[0].Neighbour);
edgeData = ContractedEdgeDataSerializer.Deserialize(edges[0].Data[0], edges[0].MetaData[0]);
Assert.AreEqual(true, edgeData.Direction);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(99, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, null, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 99, true, Constants.NO_VERTEX);
// check result.
var edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == false);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(100, edgeData.Weight);
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == true);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(99, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, false, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 99, true, Constants.NO_VERTEX);
// check result.
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == false);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(100, edgeData.Weight);
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == true);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(99, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, false, Constants.NO_VERTEX);
graph.AddEdge(0, 1, 99, true, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 98, null, Constants.NO_VERTEX);
// check result.
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == null);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(98, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, false, Constants.NO_VERTEX);
graph.AddEdge(0, 1, 98, true, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 1, 99, null, Constants.NO_VERTEX);
// check result.
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == false);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(99, edgeData.Weight);
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 1 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == true);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(98, edgeData.Weight);
// build graph.
graph = new DirectedMetaGraph(ContractedEdgeDataSerializer.Size,
ContractedEdgeDataSerializer.MetaSize);
graph.AddEdge(0, 1, 100, null, Constants.NO_VERTEX);
// update.
graph.AddOrUpdateEdge(0, 2, 99, null, Constants.NO_VERTEX);
// check result.
edge = graph.GetEdgeEnumerator(0).First(x => x.Neighbour == 2 &&
ContractedEdgeDataSerializer.Deserialize(x.Data[0], x.MetaData[0]).Direction == null);
Assert.IsNotNull(edge);
edgeData = ContractedEdgeDataSerializer.Deserialize(edge.Data[0], edge.MetaData[0]);
Assert.AreEqual(Constants.NO_VERTEX, edgeData.ContractedId);
Assert.AreEqual(99, edgeData.Weight);
}