public void DeleteLocationVertices()
{
using (SessionNoServer session = new SessionNoServer(systemDir, 5000, false, true))
{
session.BeginUpdate();
Graph g = Graph.Open(session); // it takes a while to open graph fresh from databases
if (g != null)
{
VertexType userType = g.FindVertexType("User");
VertexType locationType = g.FindVertexType("Location");
EdgeType friendEdgeType = g.FindEdgeType("Friend");
EdgeType userLocationEdgeType = g.FindEdgeType("UserLocation");
for (int i = 1; i < numberOfLocationVertices; i++)
{
locationType.RemoveVertex(new Vertex(g, locationType, i));
}
Assert.IsTrue(userLocationEdgeType.CountEdges() == 0);
Assert.IsTrue(userType.GetEdges(userLocationEdgeType, Direction.Out).Count() == 0);
session.Commit();
Validate();
}
}
}