Carmelo Cascone | 94a659f | 2017-11-21 00:06:11 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 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.pi.runtime; |
| 18 | |
| 19 | import com.google.common.annotations.Beta; |
| 20 | import org.onosproject.net.DeviceId; |
| 21 | |
| 22 | import static com.google.common.base.Preconditions.checkNotNull; |
| 23 | |
| 24 | /** |
| 25 | * Global identifier of a PI entity applied to a device, unique in the scope of |
| 26 | * the whole network. |
| 27 | */ |
| 28 | @Beta |
| 29 | public abstract class PiHandle<E extends PiEntity> { |
| 30 | |
| 31 | private final DeviceId deviceId; |
| 32 | private final E piEntity; |
| 33 | |
| 34 | protected PiHandle(DeviceId deviceId, E piEntity) { |
| 35 | this.deviceId = checkNotNull(deviceId); |
| 36 | this.piEntity = checkNotNull(piEntity); |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * Returns the device ID of this handle. |
| 41 | * |
| 42 | * @return device ID |
| 43 | */ |
| 44 | public final DeviceId deviceId() { |
| 45 | return deviceId; |
| 46 | } |
| 47 | |
| 48 | /** |
| 49 | * Returns the type of entity identified by this handle. |
| 50 | * |
| 51 | * @return PI entity type |
| 52 | */ |
| 53 | public final PiEntityType entityType() { |
| 54 | return piEntity.piEntityType(); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * The entity to which this handle is associated. |
| 59 | * |
| 60 | * @return PI entity |
| 61 | */ |
| 62 | public final E piEntity() { |
| 63 | return piEntity; |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | public abstract int hashCode(); |
| 68 | |
| 69 | @Override |
| 70 | public abstract boolean equals(Object obj); |
| 71 | |
| 72 | @Override |
| 73 | public abstract String toString(); |
| 74 | } |