/// <summary>
/// Initializes a new instance of the <see cref="AdjacentNodesGraphBuilder{TNode,TGroup}"/> class that
/// operates on the given graph.
/// </summary>
/// <remarks>
/// The <paramref name="graph"/> will be <see cref="GraphExtensions.Clear">cleared</see> and re-built
/// from the data in <see cref="NodesSource"/> and <see cref="GroupsSource"/>
/// when <see cref="BuildGraph"/> is called.
/// </remarks>
public AdjacentNodesGraphBuilder([CanBeNull] IGraph graph = null)
{
graphBuilderHelper = new GraphBuilderHelper <TNode, TGroup, TNode>(
graph ?? new DefaultGraph(),
this.CreateNodeAndMirrorNode,
this.UpdateNodeAndCreateMirrorNode,
this.CreateGroupNode,
this.UpdateGroupNode,
this.CreateEdgeAndMirrorEdge,
this.UpdateEdgeAndCreateMirrorEdge);
graphBuilderHelper.EdgeCreated += (sender, args) => {
var eventArgs = new GraphBuilderItemEventArgs <IEdge, object>(args.Graph, args.Item, args.SourceObject);
foreach (var eventHandler in edgeCreatedHandler)
{
eventHandler(sender, eventArgs);
}
};
graphBuilderHelper.EdgeUpdated += (sender, args) => {
var eventArgs = new GraphBuilderItemEventArgs <IEdge, object>(args.Graph, args.Item, args.SourceObject);
foreach (var eventHandler in edgeUpdatedHandler)
{
eventHandler(sender, eventArgs);
}
};
this.graphBuilder = new AdjacencyGraphBuilder(graph);
this.builderNodesSource = this.graphBuilder.CreateNodesSource <TNode>(Enumerable.Empty <TNode>());
this.builderNodesSource.NodeCreator = this.graphBuilderHelper.CreateNodeCreator();
this.builderEdgeCreator = this.graphBuilderHelper.CreateEdgeCreator(true);
this.builderNodesSource.AddSuccessorsSource(
dataItem => (this.successorsProvider != null ? this.successorsProvider(dataItem): null),
this.builderNodesSource,
this.builderEdgeCreator
);
this.builderNodesSource.AddPredecessorsSource(
dataItem => (this.predecessorsProvider != null ? this.predecessorsProvider(dataItem) : null),
this.builderNodesSource,
this.builderEdgeCreator
);
this.builderNodesSource.AddSuccessorIds(
dataItem => this.successorsIdProvider != null ? this.successorsIdProvider(dataItem) : null,
this.builderEdgeCreator
);
this.builderNodesSource.AddPredecessorIds(
dataItem => this.predecessorsIdProvider != null ? this.predecessorsIdProvider(dataItem) : null,
this.builderEdgeCreator
);
this.builderGroupsSource = this.graphBuilder.CreateGroupNodesSource <TGroup>(Enumerable.Empty <TGroup>());
this.builderGroupsSource.NodeCreator = this.graphBuilderHelper.CreateGroupCreator();
this.mirrorGraph = new DefaultGraph();
this.nodeToMirrorNode = new Dictionary <INode, INode>();
}
/// <summary>
/// Initializes a new instance of the <see cref="GraphBuilder{TNode,TGroup,TEdge}"/> class that
/// operates on the given graph.
/// </summary>
/// <remarks>
/// The <paramref name="graph"/> will be <see cref="GraphExtensions.Clear">cleared</see> and re-built
/// from the data in <see cref="NodesSource"/>, <see cref="GroupsSource"/>, and <see cref="EdgesSource"/>
/// when <see cref="BuildGraph"/> is called.
/// </remarks>
public GraphBuilder([CanBeNull] IGraph graph = null)
{
graphBuilderHelper = new GraphBuilderHelper <TNode, TGroup, TEdge>(
graph ?? new DefaultGraph(),
this.CreateNode,
this.UpdateNode,
this.CreateGroupNode,
this.UpdateGroupNode,
this.CreateEdge,
this.UpdateEdge
);
this.graphBuilder = new GraphBuilder(graph);
this.builderNodesSource = this.graphBuilder.CreateNodesSource <TNode>(Enumerable.Empty <TNode>());
this.builderNodesSource.NodeCreator = this.graphBuilderHelper.CreateNodeCreator();
this.builderGroupsSource = this.graphBuilder.CreateGroupNodesSource <TGroup>(Enumerable.Empty <TGroup>());
this.builderGroupsSource.NodeCreator = this.graphBuilderHelper.CreateGroupCreator();
this.builderEdgesSource = this.graphBuilder.CreateEdgesSource <TEdge>(Enumerable.Empty <TEdge>(),
item => this.SourceNodeProvider != null ? this.SourceNodeProvider(item) : (Provider <TEdge, object>)null,
item => this.TargetNodeProvider != null ? this.TargetNodeProvider(item) : (Provider <TEdge, object>)null
);
this.builderEdgesSource.EdgeCreator = this.graphBuilderHelper.CreateEdgeCreator();
}
public GraphBuilderEdgeCreator(GraphBuilderHelper <TNode, TGroup, TEdge> helper, bool labelDataFromSourceAndTarget)
{
this.helper = helper;
this.labelDataFromSourceAndTarget = labelDataFromSourceAndTarget;
}
internal GraphBuilderGroupCreator(GraphBuilderHelper <TNode, TGroup, TEdge> helper)
{
this.helper = helper;
}