Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -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 | */ |
Brian O'Connor | abafb50 | 2014-12-02 22:26:20 -0800 | [diff] [blame] | 16 | package org.onosproject.cluster; |
Yuta HIGUCHI | 9ee60f6 | 2014-10-09 10:00:01 -0700 | [diff] [blame] | 17 | |
| 18 | import com.google.common.base.Function; |
| 19 | |
| 20 | /** |
| 21 | * Function to convert ControllerNode to NodeId. |
| 22 | */ |
| 23 | public final class ControllerNodeToNodeId |
| 24 | implements Function<ControllerNode, NodeId> { |
| 25 | |
| 26 | private static final ControllerNodeToNodeId INSTANCE = new ControllerNodeToNodeId(); |
| 27 | |
| 28 | @Override |
| 29 | public NodeId apply(ControllerNode input) { |
Yuta HIGUCHI | b35a381 | 2014-10-15 23:22:17 -0700 | [diff] [blame] | 30 | if (input == null) { |
| 31 | return null; |
| 32 | } else { |
| 33 | return input.id(); |
| 34 | } |
Yuta HIGUCHI | 9ee60f6 | 2014-10-09 10:00:01 -0700 | [diff] [blame] | 35 | } |
| 36 | |
Yuta HIGUCHI | dc7374c | 2014-10-10 11:11:09 -0700 | [diff] [blame] | 37 | /** |
| 38 | * Returns a Function to convert ControllerNode to NodeId. |
| 39 | * |
| 40 | * @return ControllerNodeToNodeId instance. |
| 41 | */ |
Yuta HIGUCHI | 9ee60f6 | 2014-10-09 10:00:01 -0700 | [diff] [blame] | 42 | public static ControllerNodeToNodeId toNodeId() { |
| 43 | return INSTANCE; |
| 44 | } |
| 45 | } |