/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Gephi is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Gephi. If not, see <http://www.gnu.org/licenses/>.
*/
package org.gephi.graph.api;
/**
* Meta edges are edges between a group and a leaf
* or between two groups. They represents proper edges between descendants of groups. Meta
* edges are always located only on nodes which are in the current view.
* <p>
* By default meta edges are automatically generated and maintained when
* the hierarchy is manipulated (expand/contract).
*
* @author Mathieu Bastian
* @see HierarchicalGraph
*/
public interface MetaEdge extends Edge {
/**
* Returns the number of edges this meta-edge represents
* @return the number of edges this meta-edge represents
*/
public int getCount();
}