public IState Store()
{
string graphXml;
using (var stream = new MemoryStream())
{
using (var streamReader = new StreamReader(stream))
{
using (var xmlWriter = XmlWriter.Create(stream, new XmlWriterSettings {
Indent = true
}))
{
var vertexId = new VertexIdentity <PluginId>(id => id.Id.ToString());
var edgeId = new EdgeIdentity <PluginId, SEdge <PluginId> >(edge => edge.Target.ToString());
_graph.SerializeToGraphML(xmlWriter, vertexId, edgeId);
xmlWriter.Flush();
stream.Position = 0;
graphXml = streamReader.ReadToEnd();
}
}
}
return(new DependencyGraphState
{
CreatedBy = GetFinalCreatedBy().ToDictionary(kv => kv.Key.Id.ToString(), kv => kv.Value),
Consumes = GetFinalConsumes().ToDictionary(kv => kv.Key.Id.ToString(), kv => kv.Value),
Graph = graphXml,
ExecutedPlugins = _executedPlugins,
});
}
/// <summary>
/// Serializes a graph instance to a generic XML stream, using an <see cref="XmlWriter"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph to serialize.</param>
/// <param name="writer">XML writer.</param>
/// <param name="vertexIdentity">The vertex identity.</param>
/// <param name="edgeIdentity">The edge identity.</param>
/// <param name="graphElementName">Name of the graph element.</param>
/// <param name="vertexElementName">Name of the vertex element.</param>
/// <param name="edgeElementName">Name of the edge element.</param>
/// <param name="namespaceUri">XML namespace.</param>
public static void SerializeToXml <TVertex, TEdge, TGraph>(
[NotNull] this TGraph graph,
[NotNull] XmlWriter writer,
[NotNull, InstantHandle] VertexIdentity <TVertex> vertexIdentity,
[NotNull, InstantHandle] EdgeIdentity <TVertex, TEdge> edgeIdentity,
[NotNull] string graphElementName,
[NotNull] string vertexElementName,
[NotNull] string edgeElementName,
[NotNull] string namespaceUri)
where TGraph : IVertexAndEdgeListGraph <TVertex, TEdge>
where TEdge : IEdge <TVertex>
{
SerializeToXml(
graph,
writer,
vertexIdentity,
edgeIdentity,
graphElementName,
vertexElementName,
edgeElementName,
namespaceUri,
null,
null,
null);
}
/// <summary>
/// Populates a DGML graph from a graph
/// </summary>
/// <typeparam name="TVertex"></typeparam>
/// <typeparam name="TEdge"></typeparam>
/// <param name="visitedGraph"></param>
/// <param name="vertexIdentities"></param>
/// <param name="edgeIdentities"></param>
/// <param name="_formatNode"></param>
/// <param name="_formatEdge"></param>
/// <returns></returns>
public static DirectedGraph ToDirectedGraphML <TVertex, TEdge>(
#if !NET20
this
#endif
IVertexAndEdgeListGraph <TVertex, TEdge> visitedGraph,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities,
Action <TVertex, DirectedGraphNode> _formatNode,
Action <TEdge, DirectedGraphLink> _formatEdge)
where TEdge : IEdge <TVertex>
{
Contract.Requires(visitedGraph != null);
Contract.Requires(vertexIdentities != null);
Contract.Requires(edgeIdentities != null);
Contract.Ensures(Contract.Result <DirectedGraph>() != null);
var algorithm = new DirectedGraphMLAlgorithm <TVertex, TEdge>(
visitedGraph,
vertexIdentities,
edgeIdentities
);
if (_formatNode != null)
{
algorithm.FormatNode += _formatNode;
}
if (_formatEdge != null)
{
algorithm.FormatEdge += _formatEdge;
}
algorithm.Compute();
return(algorithm.DirectedGraph);
}
/// <summary>
/// Serializes a graph to a generic xml stream, using an <see cref="XmlWriter"/>.
/// </summary>
/// <typeparam name="TVertex">The type of the vertex.</typeparam>
/// <typeparam name="TEdge">The type of the edge.</typeparam>
/// <typeparam name="TGraph">The type of the graph.</typeparam>
/// <param name="graph">The graph.</param>
/// <param name="writer">The writer.</param>
/// <param name="vertexIdentity">The vertex identity.</param>
/// <param name="edgeIdentity">The edge identity.</param>
/// <param name="graphElementName">Name of the graph element.</param>
/// <param name="vertexElementName">Name of the vertex element.</param>
/// <param name="edgeElementName">Name of the edge element.</param>
/// <param name="namespaceUri">The namespace URI.</param>
public static void SerializeToXml <TVertex, TEdge, TGraph>(
#if !NET20
this
#endif
TGraph graph,
XmlWriter writer,
VertexIdentity <TVertex> vertexIdentity,
EdgeIdentity <TVertex, TEdge> edgeIdentity,
string graphElementName,
string vertexElementName,
string edgeElementName,
string namespaceUri
)
where TGraph : IVertexAndEdgeListGraph <TVertex, TEdge>
where TEdge : IEdge <TVertex>
{
SerializeToXml(
graph,
writer,
vertexIdentity,
edgeIdentity,
graphElementName,
vertexElementName,
edgeElementName,
namespaceUri,
null,
null,
null);
}
public static DirectedGraph ToDirectedGraphML <TVertex, TEdge>(
[NotNull] this IVertexAndEdgeListGraph <TVertex, TEdge> visitedGraph,
[NotNull] VertexIdentity <TVertex> vertexIdentities,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentities,
[CanBeNull] Action <TVertex, DirectedGraphNode> formatNode,
[CanBeNull] Action <TEdge, DirectedGraphLink> formatEdge)
where TEdge : IEdge <TVertex>
{
var algorithm = new DirectedGraphMLAlgorithm <TVertex, TEdge>(
visitedGraph,
vertexIdentities,
edgeIdentities);
if (formatNode != null)
{
algorithm.FormatNode += formatNode;
}
if (formatEdge != null)
{
algorithm.FormatEdge += formatEdge;
}
algorithm.Compute();
return(algorithm.DirectedGraph);
}
// The following use of XmlWriter.Create fails in Silverlight.
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
#if !NET20
this
#endif
TGraph graph,
string fileName,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
Contract.Requires(fileName != null);
Contract.Requires(fileName.Length > 0);
var settings = new XmlWriterSettings()
{
Indent = true, IndentChars = " "
};
var writer = XmlWriter.Create(fileName, settings);
SerializeToGraphML <TVertex, TEdge, TGraph>(graph, writer, vertexIdentities, edgeIdentities);
writer.Flush();
writer.Close();
writer.Dispose();
}
/// <summary>
/// Serializes the given <paramref name="graph"/> instance into the given <paramref name="writer"/>.
/// </summary>
/// <param name="writer">The XML writer.</param>
/// <param name="graph">Graph instance to serialize.</param>
/// <param name="vertexIdentities">Vertex identity method.</param>
/// <param name="edgeIdentities">Edge identity method.</param>
public void Serialize(
[NotNull] XmlWriter writer,
[NotNull] TGraph graph,
[NotNull] VertexIdentity <TVertex> vertexIdentities,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentities)
{
if (writer is null)
{
throw new ArgumentNullException(nameof(writer));
}
if (graph == null)
{
throw new ArgumentNullException(nameof(graph));
}
if (vertexIdentities is null)
{
throw new ArgumentNullException(nameof(vertexIdentities));
}
if (edgeIdentities is null)
{
throw new ArgumentNullException(nameof(edgeIdentities));
}
var worker = new WriterWorker(this, writer, graph, vertexIdentities, edgeIdentities);
worker.Serialize();
}
/// <summary>
/// Serializes the current graph to GraphML format
/// </summary>
public void serialize()
{
using (var xwriter = XmlWriter.Create("graphTest.bin"))
{
VertexIdentity <Fief> vIds = new VertexIdentity <Fief>(getIdFromFief);
EdgeIdentity <Fief, TaggedEdge <Fief, string> > eIds = new EdgeIdentity <Fief, TaggedEdge <Fief, string> >(getStringFromEdge);
this.myMap.SerializeToGraphML <Fief, TaggedEdge <Fief, string>, AdjacencyGraph <Fief, TaggedEdge <Fief, string> > >(xwriter, vIds, eIds);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DirectedGraphMLAlgorithm{TVertex,TEdge}"/> class.
/// </summary>
/// <param name="visitedGraph">Graph to visit.</param>
/// <param name="vertexIdentities">Vertex identity method.</param>
/// <param name="edgeIdentities">Edge identity method.</param>
public DirectedGraphMLAlgorithm(
[NotNull] IVertexAndEdgeListGraph <TVertex, TEdge> visitedGraph,
[NotNull] VertexIdentity <TVertex> vertexIdentities,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentities)
: base(visitedGraph)
{
_vertexIdentities = vertexIdentities ?? throw new ArgumentNullException(nameof(vertexIdentities));
_edgeIdentities = edgeIdentities ?? throw new ArgumentNullException(nameof(edgeIdentities));
}
/// <summary>
/// Serializes a graph to a generic xml stream, using an <see cref="XmlWriter"/>.
/// </summary>
/// <typeparam name="TVertex">The type of the vertex.</typeparam>
/// <typeparam name="TEdge">The type of the edge.</typeparam>
/// <typeparam name="TGraph">The type of the graph.</typeparam>
/// <param name="writer">The writer.</param>
/// <param name="graph">The graph.</param>
/// <param name="vertexIdentity">The vertex identity.</param>
/// <param name="edgeIdentity">The edge identity.</param>
/// <param name="graphElementName">Name of the graph element.</param>
/// <param name="vertexElementName">Name of the vertex element.</param>
/// <param name="edgeElementName">Name of the edge element.</param>
/// <param name="namespaceUri">The namespace URI (optional).</param>
/// <param name="writeGraphAttributes">The write graph attributes (optional).</param>
/// <param name="writeVertexAttributes">The write vertex attributes (optional).</param>
/// <param name="writeEdgeAttributes">The write edge attributes (optional).</param>
public static void SerializeToXml <TVertex, TEdge, TGraph>(
#if !NET20
this
#endif
TGraph graph,
XmlWriter writer,
VertexIdentity <TVertex> vertexIdentity,
EdgeIdentity <TVertex, TEdge> edgeIdentity,
string graphElementName,
string vertexElementName,
string edgeElementName,
string namespaceUri,
Action <XmlWriter, TGraph> writeGraphAttributes,
Action <XmlWriter, TVertex> writeVertexAttributes,
Action <XmlWriter, TEdge> writeEdgeAttributes
)
where TGraph : IVertexAndEdgeListGraph <TVertex, TEdge>
where TEdge : IEdge <TVertex>
{
Contract.Requires(graph != null);
Contract.Requires(writer != null);
Contract.Requires(vertexIdentity != null);
Contract.Requires(edgeIdentity != null);
Contract.Requires(!String.IsNullOrEmpty(graphElementName));
Contract.Requires(!String.IsNullOrEmpty(vertexElementName));
Contract.Requires(!String.IsNullOrEmpty(edgeElementName));
writer.WriteStartElement(graphElementName, namespaceUri);
if (writeGraphAttributes != null)
{
writeGraphAttributes(writer, graph);
}
foreach (var vertex in graph.Vertices)
{
writer.WriteStartElement(vertexElementName, namespaceUri);
writer.WriteAttributeString("id", namespaceUri, vertexIdentity(vertex));
if (writeVertexAttributes != null)
{
writeVertexAttributes(writer, vertex);
}
writer.WriteEndElement();
}
foreach (var edge in graph.Edges)
{
writer.WriteStartElement(edgeElementName, namespaceUri);
writer.WriteAttributeString("id", namespaceUri, edgeIdentity(edge));
writer.WriteAttributeString("source", namespaceUri, vertexIdentity(edge.Source));
writer.WriteAttributeString("target", namespaceUri, vertexIdentity(edge.Target));
if (writeEdgeAttributes != null)
{
writeEdgeAttributes(writer, edge);
}
writer.WriteEndElement();
}
writer.WriteEndElement();
}
public DirectedGraphMLAlgorithm(
IVertexAndEdgeListGraph <TVertex, TEdge> visitedGraph,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities)
: base(visitedGraph)
{
Contract.Requires(vertexIdentities != null);
this.vertexIdentities = vertexIdentities;
this.edgeIdentities = edgeIdentities;
}
/// <summary>
/// Serializes the given <paramref name="graph"/> into GraphML in the given <paramref name="writer"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph instance to serialize.</param>
/// <param name="writer">The XML writer.</param>
/// <param name="vertexIdentities">Vertex identity method.</param>
/// <param name="edgeIdentities">Edge identity method.</param>
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
this TGraph graph,
XmlWriter writer,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
var serializer = new GraphMLSerializer <TVertex, TEdge, TGraph>();
serializer.Serialize(writer, graph, vertexIdentities, edgeIdentities);
}
/// <summary>
/// Serializes the given <paramref name="graph"/> into GraphML in the given <paramref name="writer"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph instance to serialize.</param>
/// <param name="writer">The XML writer.</param>
/// <param name="vertexIdentity">Vertex identity method.</param>
/// <param name="edgeIdentity">Edge identity method.</param>
/// <exception cref="T:System.ArgumentNullException"><paramref name="graph"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentNullException"><paramref name="writer"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentNullException"><paramref name="vertexIdentity"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentNullException"><paramref name="edgeIdentity"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.InvalidOperationException">Failure while writing elements to GraphML.</exception>
/// <exception cref="T:System.NotSupportedException">Serializing value on property without getter, or with unsupported property type.</exception>
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
[NotNull] this TGraph graph,
[NotNull] XmlWriter writer,
[NotNull] VertexIdentity <TVertex> vertexIdentity,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentity)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
var serializer = new GraphMLSerializer <TVertex, TEdge, TGraph>();
serializer.Serialize(writer, graph, vertexIdentity, edgeIdentity);
}
public static DirectedGraph ToDirectedGraphML <TVertex, TEdge>(
[NotNull] this IVertexAndEdgeListGraph <TVertex, TEdge> visitedGraph,
[NotNull] VertexIdentity <TVertex> vertexIdentities,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentities)
where TEdge : IEdge <TVertex>
{
return(ToDirectedGraphML(
visitedGraph,
vertexIdentities,
edgeIdentities,
null,
null));
}
/// <summary>
/// Populates a DGML graph from a graph
/// </summary>
/// <typeparam name="TVertex"></typeparam>
/// <typeparam name="TEdge"></typeparam>
/// <param name="visitedGraph"></param>
/// <param name="vertexIdentities"></param>
/// <param name="edgeIdentities"></param>
/// <returns></returns>
public static DirectedGraph ToDirectedGraphML <TVertex, TEdge>(
this IVertexAndEdgeListGraph <TVertex, TEdge> visitedGraph, VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities)
where TEdge : IEdge <TVertex>
{
Contract.Requires(visitedGraph != null);
Contract.Requires(vertexIdentities != null);
Contract.Requires(edgeIdentities != null);
Contract.Ensures(Contract.Result <DirectedGraph>() != null);
return(ToDirectedGraphML <TVertex, TEdge>(
visitedGraph,
vertexIdentities,
edgeIdentities, null, null));
}
/// <summary>
/// Serializes the given <paramref name="graph"/> into GraphML in the given <paramref name="writer"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph instance to serialize.</param>
/// <param name="writer">The XML writer.</param>
/// <exception cref="T:System.ArgumentNullException"><paramref name="graph"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentNullException"><paramref name="writer"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.InvalidOperationException">Failure while writing elements to GraphML.</exception>
/// <exception cref="T:System.NotSupportedException">Serializing value on property without getter, or with unsupported property type.</exception>
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
[NotNull] this TGraph graph,
[NotNull] XmlWriter writer)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
if (graph == null)
{
throw new ArgumentNullException(nameof(graph));
}
VertexIdentity <TVertex> vertexIdentity = graph.GetVertexIdentity();
EdgeIdentity <TVertex, TEdge> edgeIdentity = graph.GetEdgeIdentity();
SerializeToGraphML(graph, writer, vertexIdentity, edgeIdentity);
}
public void Serialize(
XmlWriter writer,
TGraph visitedGraph,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities
)
{
Contract.Requires(writer != null);
Contract.Requires(visitedGraph != null);
Contract.Requires(vertexIdentities != null);
Contract.Requires(edgeIdentities != null);
var worker = new WriterWorker(this, writer, visitedGraph, vertexIdentities, edgeIdentities);
worker.Serialize();
}
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
#if !NET20
this
#endif
TGraph graph,
XmlWriter writer,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
Contract.Requires(graph != null);
Contract.Requires(writer != null);
var serializer = new GraphMLSerializer <TVertex, TEdge, TGraph>();
serializer.Serialize(writer, graph, vertexIdentities, edgeIdentities);
}
public WriterWorker(
[NotNull] GraphMLSerializer <TVertex, TEdge, TGraph> serializer,
[NotNull] XmlWriter writer,
[NotNull] TGraph graph,
[NotNull] VertexIdentity <TVertex> vertexIdentities,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentities)
{
Debug.Assert(serializer != null);
Debug.Assert(writer != null);
Debug.Assert(graph != null);
Debug.Assert(vertexIdentities != null);
Debug.Assert(edgeIdentities != null);
_serializer = serializer;
_writer = writer;
_graph = graph;
_vertexIdentities = vertexIdentities;
_edgeIdentities = edgeIdentities;
}
public WriterWorker(
GraphMLSerializer <TVertex, TEdge, TGraph> serializer,
XmlWriter writer,
TGraph visitedGraph,
VertexIdentity <TVertex> vertexIdentities,
EdgeIdentity <TVertex, TEdge> edgeIdentities)
{
Contract.Requires(serializer != null);
Contract.Requires(writer != null);
Contract.Requires(visitedGraph != null);
Contract.Requires(vertexIdentities != null);
Contract.Requires(edgeIdentities != null);
this.serializer = serializer;
this.writer = writer;
this.visitedGraph = visitedGraph;
this.vertexIdentities = vertexIdentities;
this.edgeIdentities = edgeIdentities;
}
/// <summary>
/// Serializes the given <paramref name="graph"/> into GraphML in the given <paramref name="writer"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph instance to serialize.</param>
/// <param name="writer">The XML writer.</param>
/// <param name="vertexIdentities">Vertex identity method.</param>
/// <param name="edgeIdentities">Edge identity method.</param>
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
[NotNull] this TGraph graph,
[NotNull] XmlWriter writer,
[NotNull] VertexIdentity <TVertex> vertexIdentities,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentities)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
if (graph == null)
{
throw new ArgumentNullException(nameof(graph));
}
if (writer is null)
{
throw new ArgumentNullException(nameof(writer));
}
var serializer = new GraphMLSerializer <TVertex, TEdge, TGraph>();
serializer.Serialize(writer, graph, vertexIdentities, edgeIdentities);
}
/// <summary>
/// Serializes the given <paramref name="graph"/> into GraphML in a file at given <paramref name="filePath"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph instance to serialize.</param>
/// <param name="filePath">Path to the file where serializing the graph.</param>
/// <param name="vertexIdentity">Vertex identity method.</param>
/// <param name="edgeIdentity">Edge identity method.</param>
/// <exception cref="T:System.ArgumentNullException"><paramref name="graph"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentNullException"><paramref name="vertexIdentity"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentNullException"><paramref name="edgeIdentity"/> is <see langword="null"/>.</exception>
/// <exception cref="T:System.ArgumentException"><paramref name="filePath"/> is <see langword="null"/> or empty.</exception>
/// <exception cref="T:System.InvalidOperationException">Failure while writing elements to GraphML.</exception>
/// <exception cref="T:System.NotSupportedException">Serializing value on property without getter, or with unsupported property type.</exception>
public static void SerializeToGraphML <TVertex, TEdge, TGraph>(
[NotNull] this TGraph graph,
[NotNull] string filePath,
[NotNull] VertexIdentity <TVertex> vertexIdentity,
[NotNull] EdgeIdentity <TVertex, TEdge> edgeIdentity)
where TEdge : IEdge <TVertex>
where TGraph : IEdgeListGraph <TVertex, TEdge>
{
if (string.IsNullOrEmpty(filePath))
{
throw new ArgumentException("Must provide a file path.", nameof(filePath));
}
var settings = new XmlWriterSettings {
Indent = true, IndentChars = SerializationIndent
};
using (XmlWriter writer = XmlWriter.Create(filePath, settings))
{
SerializeToGraphML(graph, writer, vertexIdentity, edgeIdentity);
writer.Flush();
}
}
/// <summary>
/// Serializes a graph instance to a generic XML stream, using an <see cref="XmlWriter"/>.
/// </summary>
/// <typeparam name="TVertex">Vertex type.</typeparam>
/// <typeparam name="TEdge">Edge type.</typeparam>
/// <typeparam name="TGraph">Graph type.</typeparam>
/// <param name="graph">Graph to serialize.</param>
/// <param name="writer">XML writer.</param>
/// <param name="vertexIdentity">The vertex identity.</param>
/// <param name="edgeIdentity">The edge identity.</param>
/// <param name="graphElementName">Name of the graph element.</param>
/// <param name="vertexElementName">Name of the vertex element.</param>
/// <param name="edgeElementName">Name of the edge element.</param>
/// <param name="namespaceUri">XMl namespace.</param>
/// <param name="writeGraphAttributes">Delegate to write graph attributes (optional).</param>
/// <param name="writeVertexAttributes">Delegate to write vertex attributes (optional).</param>
/// <param name="writeEdgeAttributes">Delegate to write edge attributes (optional).</param>
public static void SerializeToXml <TVertex, TEdge, TGraph>(
[NotNull] this TGraph graph,
[NotNull] XmlWriter writer,
[NotNull, InstantHandle] VertexIdentity <TVertex> vertexIdentity,
[NotNull, InstantHandle] EdgeIdentity <TVertex, TEdge> edgeIdentity,
[NotNull] string graphElementName,
[NotNull] string vertexElementName,
[NotNull] string edgeElementName,
[NotNull] string namespaceUri,
[CanBeNull, InstantHandle] Action <XmlWriter, TGraph> writeGraphAttributes,
[CanBeNull, InstantHandle] Action <XmlWriter, TVertex> writeVertexAttributes,
[CanBeNull, InstantHandle] Action <XmlWriter, TEdge> writeEdgeAttributes)
where TGraph : IVertexAndEdgeListGraph <TVertex, TEdge>
where TEdge : IEdge <TVertex>
{
if (graph == null)
{
throw new ArgumentNullException(nameof(graph));
}
if (writer is null)
{
throw new ArgumentNullException(nameof(writer));
}
if (vertexIdentity is null)
{
throw new ArgumentNullException(nameof(vertexIdentity));
}
if (edgeIdentity is null)
{
throw new ArgumentNullException(nameof(edgeIdentity));
}
if (string.IsNullOrEmpty(graphElementName))
{
throw new ArgumentException($"{nameof(graphElementName)} cannot be null or empty.", nameof(graphElementName));
}
if (string.IsNullOrEmpty(vertexElementName))
{
throw new ArgumentException($"{nameof(vertexElementName)} cannot be null or empty.", nameof(vertexElementName));
}
if (string.IsNullOrEmpty(edgeElementName))
{
throw new ArgumentException($"{nameof(edgeElementName)} cannot be null or empty.", nameof(edgeElementName));
}
if (namespaceUri is null)
{
throw new ArgumentNullException(nameof(namespaceUri));
}
writer.WriteStartElement(graphElementName, namespaceUri);
writeGraphAttributes?.Invoke(writer, graph);
foreach (TVertex vertex in graph.Vertices)
{
writer.WriteStartElement(vertexElementName, namespaceUri);
writer.WriteAttributeString("id", namespaceUri, vertexIdentity(vertex));
writeVertexAttributes?.Invoke(writer, vertex);
writer.WriteEndElement();
}
foreach (TEdge edge in graph.Edges)
{
writer.WriteStartElement(edgeElementName, namespaceUri);
writer.WriteAttributeString("id", namespaceUri, edgeIdentity(edge));
writer.WriteAttributeString("source", namespaceUri, vertexIdentity(edge.Source));
writer.WriteAttributeString("target", namespaceUri, vertexIdentity(edge.Target));
writeEdgeAttributes?.Invoke(writer, edge);
writer.WriteEndElement();
}
writer.WriteEndElement();
}