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 public class EdgeSelector<FromType extends Node, ToType extends Node> {
20 public static interface Selector<FromType extends Node, ToType extends Node> {
21 void execute(FromType aFrom, ToType aTo);
24 private Class<FromType> _fromType;
25 private Class<ToType> _toType;
27 public EdgeSelector(Class<FromType> aFrom, Class<ToType> aTo) {
32 public void execute(Selector<FromType,ToType> aSelector, Edge aEdge) {
33 if ( _fromType.isInstance(aEdge.getFrom()) && _toType.isInstance(aEdge.getTo())) {
34 aSelector.execute((FromType)aEdge.getFrom(), (ToType)aEdge.getTo());