2 * Copyright 2008 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.system.graph;
18 import java.util.List;
21 * Edge factory used to extend a graph with new edges.
22 * @author Erik Brakkee
24 * @param <NodeType> Type of node.
26 public interface EdgeFactory<NodeType extends Node> {
28 * Computes a number of new edges to be added to the graph.
29 * @param aFrom From node.
31 * @return List of edges from the from to the to node.
33 List<Edge> create(NodeType aFrom, NodeType aTo);