| 1 | /* |
| 2 | * $Id: Edge.java 5865 2005-10-25 21:02:06Z dfs $ |
| 3 | * |
| 4 | * Copyright 2004 Daniel F. Savarese |
| 5 | * Copyright 2005 Savarese Software Research |
| 6 | * |
| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 8 | * you may not use this file except in compliance with the License. |
| 9 | * You may obtain a copy of the License at |
| 10 | * |
| 11 | * https://www.savarese.com/software/ApacheLicense-2.0 |
| 12 | * |
| 13 | * Unless required by applicable law or agreed to in writing, software |
| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 16 | * See the License for the specific language governing permissions and |
| 17 | * limitations under the License. |
| 18 | */ |
| 19 | |
| 20 | package com.savarese.algorithms.graph; |
| 21 | |
| 22 | /** |
| 23 | * An Edge represents a directed or undirected connection between two |
| 24 | * vertices with an associated weight. The vertices can be |
| 25 | * interpreted as source and destination in the case of a directed |
| 26 | * edge or simply as endpoints in the case of an undirected edge. |
| 27 | * |
| 28 | * @author <a href="https://www.savarese.com/">Daniel F. Savarese</a> |
| 29 | */ |
| 30 | |
| 31 | public class Edge<V, W> { |
| 32 | |
| 33 | private W __weight; |
| 34 | private V __src, __dest; |
| 35 | |
| 36 | |
| 37 | /** |
| 38 | * Creates an Edge between source and destination vertices, |
| 39 | * assigning a weight to the link. |
| 40 | * |
| 41 | * @param src The source vertex. |
| 42 | * @param dest The destination vertex. |
| 43 | * @param weight The weight associated with the edge. |
| 44 | */ |
| 45 | public Edge(V src, V dest, W weight) { |
| 46 | __src = src; |
| 47 | __dest = dest; |
| 48 | __weight = weight; |
| 49 | } |
| 50 | |
| 51 | |
| 52 | /** |
| 53 | * Returns the source vertex. |
| 54 | * @return The source vertex. |
| 55 | */ |
| 56 | public V getSource() { |
| 57 | return __src; |
| 58 | } |
| 59 | |
| 60 | |
| 61 | /** |
| 62 | * Returns the destination vertex. |
| 63 | * |
| 64 | * @return The destination vertex. |
| 65 | */ |
| 66 | public V getDestination() { |
| 67 | return __dest; |
| 68 | } |
| 69 | |
| 70 | |
| 71 | /** |
| 72 | * Returns the edge weight. |
| 73 | * |
| 74 | * @return The edge weight. |
| 75 | */ |
| 76 | public W getWeight() { |
| 77 | return __weight; |
| 78 | } |
| 79 | |
| 80 | } |
