| /* |
| * Copyright 2014-present Open Networking Laboratory |
| * |
| * Licensed 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 weight object. |
| * |
| * @param cost new path cost |
| */ |
| void setCost(Weight cost); |
| |
| /** |
| * Returns an immutable copy of this path. |
| * |
| * @return immutable copy |
| */ |
| Path<V, E> toImmutable(); |
| |
| } |