/// <summary>
/// Removes the provided edge form the graph
/// </summary>
/// <param name="edge">The edge to be removed</param>
/// <returns>true if the edge was removed; otherwise false</returns>
public bool RemoveEdge(IEdge edge)
{
bool sourceEdgeRemoved = false;
bool targetEdgeRemoved = false;
if (this.type == GraphType.Directed)
{
// Ensure the source node exists
if (this.nodeEdges.Contains(edge.Source))
{
// Get the edge container for the source node
EdgeContainer sourceEdges = this[edge.Source];
if (sourceEdges != null)
{
sourceEdgeRemoved = sourceEdges.RemoveEdge(edge);
}
}
// Ensure that the target node exists
if (this.nodeEdges.Contains(edge.Target))
{
// Get the edge container for the target node
EdgeContainer targetEdges = this[edge.Target];
if (targetEdges != null)
{
targetEdgeRemoved = targetEdges.RemoveEdge(edge);
}
}
// Verify that the edge was successfully removed
if (sourceEdgeRemoved || targetEdgeRemoved)
{
// Fire the EdgeRemoved event and decrement edge count
OnEdgeRemoved(new EdgeEventArgs(edge, null));
this.edgeCount--;
// Stop handling the property changed event
(edge as Edge).PropertyChanged -= new EventHandler <Common.Events.PropertyChangedEventArgs <object> >(Edge_PropertyChanged);
return(true);
}
else
{
return(false);
}
}
else
{
return(false);
}
}
/// <summary>
/// Gets the EdgeContainer for the specified Node in the current
/// Berico.LinkANalysis.Model.Graph object.
/// </summary>
/// <param name="node">A node in the current Berico.LinkAnalysis.Model.Graph object</param>
/// <returns>A Berico.LinkAnalysis.Model.EdgeContainer</returns>
public EdgeContainer this[INode node]
{
get
{
EdgeContainer edgeContainer = null;
// Check if the attribute exists
bool result = this.nodeEdges.Contains(node);
if (result)
{
// Get the EdgeContainer
edgeContainer = (EdgeContainer)this.nodeEdges[node].Value;
}
return(edgeContainer);
}
}