Thomas Vachuska | 24c849c | 2014-10-27 09:53:05 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | * or more contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. The ASF licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
tom | e348941 | 2014-08-29 02:30:38 -0700 | [diff] [blame] | 19 | package org.onlab.graph; |
| 20 | |
| 21 | /** |
| 22 | * Abstraction of a mutable path that allows gradual construction. |
| 23 | */ |
| 24 | public interface MutablePath<V extends Vertex, E extends Edge<V>> extends Path<V, E> { |
| 25 | |
| 26 | /** |
| 27 | * Inserts a new edge at the beginning of this path. The edge must be |
| 28 | * adjacent to the prior start of the path. |
| 29 | * |
| 30 | * @param edge edge to be inserted |
| 31 | */ |
| 32 | void insertEdge(E edge); |
| 33 | |
| 34 | /** |
| 35 | * Appends a new edge at the end of the this path. The edge must be |
| 36 | * adjacent to the prior end of the path. |
| 37 | * |
| 38 | * @param edge edge to be inserted |
| 39 | */ |
| 40 | void appendEdge(E edge); |
| 41 | |
| 42 | /** |
tom | 144de69 | 2014-08-29 11:38:44 -0700 | [diff] [blame] | 43 | * Removes the specified edge. This edge must be either at the start or |
| 44 | * at the end of the path, or it must be a cyclic edge in order not to |
| 45 | * violate the contiguous path property. |
| 46 | * |
| 47 | * @param edge edge to be removed |
| 48 | */ |
| 49 | void removeEdge(E edge); |
| 50 | |
| 51 | /** |
tom | e348941 | 2014-08-29 02:30:38 -0700 | [diff] [blame] | 52 | * Sets the total path cost as a unit-less double. |
| 53 | * |
| 54 | * @param cost new path cost |
| 55 | */ |
| 56 | void setCost(double cost); |
| 57 | |
| 58 | /** |
| 59 | * Returns an immutable copy of this path. |
| 60 | * |
| 61 | * @return immutable copy |
| 62 | */ |
| 63 | Path<V, E> toImmutable(); |
| 64 | |
| 65 | } |