Nikhil Cheerla | 1cf0f9a | 2015-07-09 12:26:48 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Foundation |
Nikhil Cheerla | 1cf0f9a | 2015-07-09 12:26:48 -0700 | [diff] [blame] | 3 | * |
| 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 |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 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. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.net; |
| 18 | |
| 19 | |
| 20 | /** |
| 21 | * Representation of a contiguous directed path in a network. Path comprises |
| 22 | * of a sequence of links, where adjacent links must share the same device, |
| 23 | * meaning that destination of the source of one link must coincide with the |
| 24 | * destination of the previous link. |
| 25 | */ |
| 26 | public interface DisjointPath extends Path { |
| 27 | |
| 28 | /** |
Nikhil Cheerla | 1cf0f9a | 2015-07-09 12:26:48 -0700 | [diff] [blame] | 29 | * Gets primary path. |
| 30 | * |
| 31 | * @return primary path |
| 32 | */ |
| 33 | Path primary(); |
| 34 | |
| 35 | /** |
| 36 | * Gets secondary path. |
| 37 | * |
Yuta HIGUCHI | c3d69f5 | 2016-08-08 11:52:52 -0700 | [diff] [blame] | 38 | * @return secondary path, or null if there is no secondary path available. |
Nikhil Cheerla | 1cf0f9a | 2015-07-09 12:26:48 -0700 | [diff] [blame] | 39 | */ |
| 40 | Path backup(); |
| 41 | } |