That works, thanks.
From: m....@go... [mailto:m....@go...] On Behalf Of Georg Hieronimus
Sent: Monday, November 19, 2012 3:38 PM
To: Alex Moir; jgr...@li...
Subject: Re: [jgrapht-users] remove all edges and vertices
i use this:
public static <V,E> void removeAllEdges(Graph<V, E> graph) {
LinkedList<E> copy = new LinkedList<E>();
for (E e : graph.edgeSet()) {
copy.add(e);
}
graph.removeAllEdges(copy);
}
public static <V,E> void clearGraph(Graph<V, E> graph) {
removeAllEdges(graph);
removeAllVertices(graph);
}
public static <V,E> void removeAllVertices(Graph<V, E> graph) {
LinkedList<V> copy = new LinkedList<V>();
for (V v : graph.vertexSet()) {
copy.add(v);
}
graph.removeAllVertices(copy);
}
On 20 November 2012 00:23, Alex Moir <am...@di...> wrote:
Does anyone know a way to reset an entire graph? I tried the following methods and in all cases I got a ConcurrentModificationException…
Attempt #1
graph.removeAllEdges( graph.edgeSet() );
graph.removeAllVertices( graph.vertexSet() );
Attempt #2
Set<RelationshipEdge> allEdges = graph.edgeSet();
for ( RelationshipEdge aEdge : allEdges )
{
graph.removeEdge( aEdge );
}
Attempt #3
Set<RelationshipEdge> allEdges = graph.edgeSet();
allEdges.clear();
Thanks,
Alex
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