| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.onlab.graph; |
| |
| /** |
| * Abstraction of a mutable path that allows gradual construction. |
| */ |
| public interface MutablePath<V extends Vertex, E extends Edge<V>> extends Path<V, E> { |
| |
| /** |
| * Inserts a new edge at the beginning of this path. The edge must be |
| * adjacent to the prior start of the path. |
| * |
| * @param edge edge to be inserted |
| */ |
| void insertEdge(E edge); |
| |
| /** |
| * Appends a new edge at the end of the this path. The edge must be |
| * adjacent to the prior end of the path. |
| * |
| * @param edge edge to be inserted |
| */ |
| void appendEdge(E edge); |
| |
| /** |
| * Removes the specified edge. This edge must be either at the start or |
| * at the end of the path, or it must be a cyclic edge in order not to |
| * violate the contiguous path property. |
| * |
| * @param edge edge to be removed |
| */ |
| void removeEdge(E edge); |
| |
| /** |
| * Sets the total path cost as a unit-less double. |
| * |
| * @param cost new path cost |
| */ |
| void setCost(double cost); |
| |
| /** |
| * Returns an immutable copy of this path. |
| * |
| * @return immutable copy |
| */ |
| Path<V, E> toImmutable(); |
| |
| } |