/// <summary>
/// Serializes to a stream.
/// </summary>
public long Serialize(System.IO.Stream stream)
{
this.Compress();
// serialize geometric graph.
long size = 1;
// write the version #.
// v1->v2: Added maxEdgeDistance.
stream.WriteByte(2);
// write maxEdgeDistance.
var bytes = BitConverter.GetBytes(_maxEdgeDistance);
stream.Write(bytes, 0, 4);
size += 4;
// write graph.
size += _graph.Serialize(stream);
// serialize edge data.
_edgeData.CopyTo(stream);
size += _edgeData.Length * 4;
return(size);
}
public void TestSerialize()
{
var graph = new GeometricGraph(1, 100);
// add one edge.
graph.AddVertex(0, 0, 0);
graph.AddVertex(1, 0, 0);
graph.AddEdge(0, 1, new uint[] { 10 }, null);
// serialize.
graph.Compress();
var expectedSize = graph.SizeInBytes;
using (var stream = new System.IO.MemoryStream())
{
Assert.AreEqual(expectedSize, graph.Serialize(stream));
}
graph = new GeometricGraph(1, 100);
// add one edge.
graph.AddVertex(0, 0, 0);
graph.AddVertex(1, 0, 0);
graph.AddVertex(2, 0, 0);
graph.AddVertex(3, 0, 0);
graph.AddVertex(4, 0, 0);
graph.AddVertex(5, 0, 0);
graph.AddEdge(0, 1, new uint[] { 10 }, null);
graph.AddEdge(0, 2, new uint[] { 20 }, null);
graph.AddEdge(0, 3, new uint[] { 30 }, null);
graph.AddEdge(0, 4, new uint[] { 40 }, null);
graph.AddEdge(5, 1, new uint[] { 50 }, null);
graph.AddEdge(5, 2, new uint[] { 60 }, null);
graph.AddEdge(5, 3, new uint[] { 70 }, null);
graph.AddEdge(5, 4, new uint[] { 80 }, null);
// serialize.
graph.Compress();
expectedSize = graph.SizeInBytes;
using (var stream = new System.IO.MemoryStream())
{
Assert.AreEqual(expectedSize, graph.Serialize(stream));
}
}
public void TestDeserialize()
{
var graph = new GeometricGraph(1, 100);
// add one edge.
graph.AddVertex(0, 0, 0);
graph.AddVertex(1, 0, 0);
graph.AddEdge(0, 1, new uint[] { 1 }, null);
// serialize.
using (var stream = new System.IO.MemoryStream())
{
var size = graph.Serialize(stream);
stream.Seek(0, System.IO.SeekOrigin.Begin);
var deserializedGraph = GeometricGraph.Deserialize(stream, GeometricGraphProfile.Default);
Assert.AreEqual(size, stream.Position);
Assert.AreEqual(2, deserializedGraph.VertexCount);
Assert.AreEqual(1, deserializedGraph.EdgeCount);
// verify all edges.
var edges = deserializedGraph.GetEdgeEnumerator(0);
Assert.AreEqual(1, edges.Count());
Assert.AreEqual(1, edges.First().Data[0]);
Assert.AreEqual(1, edges.First().To);
edges = deserializedGraph.GetEdgeEnumerator(1);
Assert.AreEqual(1, edges.Count());
Assert.AreEqual(true, edges.First().DataInverted);
Assert.AreEqual(1, edges.First().Data[0]);
Assert.AreEqual(0, edges.First().To);
}
graph = new GeometricGraph(1, 100);
// add one edge.
graph.AddVertex(0, 0, 0);
graph.AddVertex(1, 0, 0);
graph.AddVertex(2, 0, 0);
graph.AddVertex(3, 0, 0);
graph.AddVertex(4, 0, 0);
graph.AddVertex(5, 0, 0);
graph.AddEdge(0, 1, new uint[] { 1 }, null);
graph.AddEdge(0, 2, new uint[] { 2 }, null);
graph.AddEdge(0, 3, new uint[] { 3 }, null);
graph.AddEdge(0, 4, new uint[] { 4 }, null);
graph.AddEdge(5, 1, new uint[] { 5 }, null);
graph.AddEdge(5, 2, new uint[] { 6 }, null);
graph.AddEdge(5, 3, new uint[] { 7 }, null);
graph.AddEdge(5, 4, new uint[] { 8 }, null);
// serialize.
using (var stream = new System.IO.MemoryStream())
{
var size = graph.Serialize(stream);
stream.Seek(0, System.IO.SeekOrigin.Begin);
var deserializedGraph = GeometricGraph.Deserialize(stream, GeometricGraphProfile.Default);
Assert.AreEqual(size, stream.Position);
Assert.AreEqual(6, deserializedGraph.VertexCount);
Assert.AreEqual(8, deserializedGraph.EdgeCount);
}
}