Yuta HIGUCHI | dc7374c | 2014-10-10 11:11:09 -0700 | [diff] [blame] | 1 | package org.onlab.onos.cluster; |
Yuta HIGUCHI | 9ee60f6 | 2014-10-09 10:00:01 -0700 | [diff] [blame] | 2 | |
| 3 | import com.google.common.base.Function; |
| 4 | |
| 5 | /** |
| 6 | * Function to convert ControllerNode to NodeId. |
| 7 | */ |
| 8 | public final class ControllerNodeToNodeId |
| 9 | implements Function<ControllerNode, NodeId> { |
| 10 | |
| 11 | private static final ControllerNodeToNodeId INSTANCE = new ControllerNodeToNodeId(); |
| 12 | |
| 13 | @Override |
| 14 | public NodeId apply(ControllerNode input) { |
Yuta HIGUCHI | b35a381 | 2014-10-15 23:22:17 -0700 | [diff] [blame] | 15 | if (input == null) { |
| 16 | return null; |
| 17 | } else { |
| 18 | return input.id(); |
| 19 | } |
Yuta HIGUCHI | 9ee60f6 | 2014-10-09 10:00:01 -0700 | [diff] [blame] | 20 | } |
| 21 | |
Yuta HIGUCHI | dc7374c | 2014-10-10 11:11:09 -0700 | [diff] [blame] | 22 | /** |
| 23 | * Returns a Function to convert ControllerNode to NodeId. |
| 24 | * |
| 25 | * @return ControllerNodeToNodeId instance. |
| 26 | */ |
Yuta HIGUCHI | 9ee60f6 | 2014-10-09 10:00:01 -0700 | [diff] [blame] | 27 | public static ControllerNodeToNodeId toNodeId() { |
| 28 | return INSTANCE; |
| 29 | } |
| 30 | } |