Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 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 | package org.onosproject.net.newresource.impl; |
| 17 | |
| 18 | import org.onosproject.net.Device; |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 19 | import org.onosproject.net.Port; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 20 | import org.onosproject.net.device.DeviceEvent; |
| 21 | import org.onosproject.net.device.DeviceListener; |
| 22 | import org.onosproject.net.newresource.ResourceAdminService; |
| 23 | import org.onosproject.net.newresource.ResourcePath; |
| 24 | |
| 25 | import java.util.concurrent.ExecutorService; |
| 26 | |
| 27 | import static com.google.common.base.Preconditions.checkNotNull; |
| 28 | |
| 29 | /** |
| 30 | * An implementation of DeviceListener registering devices as resources. |
| 31 | */ |
| 32 | final class ResourceDeviceListener implements DeviceListener { |
| 33 | |
| 34 | private final ResourceAdminService adminService; |
| 35 | private final ExecutorService executor; |
| 36 | |
| 37 | /** |
| 38 | * Creates an instance with the specified ResourceAdminService and ExecutorService. |
| 39 | * |
| 40 | * @param adminService instance invoked to register resources |
| 41 | * @param executor executor used for processing resource registration |
| 42 | */ |
| 43 | ResourceDeviceListener(ResourceAdminService adminService, ExecutorService executor) { |
| 44 | this.adminService = checkNotNull(adminService); |
| 45 | this.executor = checkNotNull(executor); |
| 46 | } |
| 47 | |
| 48 | @Override |
| 49 | public void event(DeviceEvent event) { |
| 50 | Device device = event.subject(); |
| 51 | switch (event.type()) { |
| 52 | case DEVICE_ADDED: |
| 53 | registerDeviceResource(device); |
| 54 | break; |
Sho SHIMIZU | e60a5ab | 2015-08-20 11:51:49 -0700 | [diff] [blame] | 55 | case DEVICE_REMOVED: |
| 56 | unregisterDeviceResource(device); |
| 57 | break; |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 58 | case PORT_ADDED: |
| 59 | registerPortResource(device, event.port()); |
Sho SHIMIZU | c2ddedd | 2015-08-20 11:54:29 -0700 | [diff] [blame] | 60 | break; |
Sho SHIMIZU | e229284 | 2015-08-20 11:59:23 -0700 | [diff] [blame^] | 61 | case PORT_REMOVED: |
| 62 | unregisterPortResource(device, event.port()); |
| 63 | break; |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 64 | default: |
| 65 | break; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | private void registerDeviceResource(Device device) { |
Sho SHIMIZU | ea17b83 | 2015-08-19 17:08:08 -0700 | [diff] [blame] | 70 | executor.submit(() -> adminService.registerResources(ResourcePath.ROOT, device.id())); |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 71 | } |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 72 | |
Sho SHIMIZU | e60a5ab | 2015-08-20 11:51:49 -0700 | [diff] [blame] | 73 | private void unregisterDeviceResource(Device device) { |
| 74 | executor.submit(() -> adminService.unregisterResources(ResourcePath.ROOT, device.id())); |
| 75 | } |
| 76 | |
Sho SHIMIZU | 08fdbd2 | 2015-08-19 16:59:35 -0700 | [diff] [blame] | 77 | private void registerPortResource(Device device, Port port) { |
| 78 | ResourcePath parent = new ResourcePath(device.id()); |
| 79 | executor.submit(() -> adminService.registerResources(parent, port.number())); |
| 80 | } |
Sho SHIMIZU | e229284 | 2015-08-20 11:59:23 -0700 | [diff] [blame^] | 81 | |
| 82 | private void unregisterPortResource(Device device, Port port) { |
| 83 | ResourcePath parent = new ResourcePath(device.id()); |
| 84 | executor.submit(() -> adminService.unregisterResources(parent, port.number())); |
| 85 | } |
Sho SHIMIZU | d97a950 | 2015-08-18 10:02:30 -0700 | [diff] [blame] | 86 | } |