Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-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 | package org.onosproject.openstackvtap.api; |
| 17 | |
| 18 | import org.onlab.util.Tools; |
| 19 | import org.onosproject.event.AbstractEvent; |
| 20 | |
| 21 | import static com.google.common.base.MoreObjects.toStringHelper; |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 22 | import static com.google.common.base.Preconditions.checkState; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 23 | |
| 24 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 25 | * Describes openstack vtap event. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 26 | */ |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 27 | public class OpenstackVtapEvent extends AbstractEvent<OpenstackVtapEvent.Type, Object> { |
| 28 | |
| 29 | private static final String INVALID_OBJ_TYPE = "Invalid OpenstackVtapEvent object type of %"; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 30 | |
| 31 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 32 | * Type of openstack vtap events. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 33 | */ |
| 34 | public enum Type { |
| 35 | |
| 36 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 37 | * Signifies that a new openstack vtap network has been added. |
| 38 | */ |
| 39 | VTAP_NETWORK_ADDED, |
| 40 | |
| 41 | /** |
| 42 | * Signifies that a openstack vtap network has been changed. |
| 43 | */ |
| 44 | VTAP_NETWORK_UPDATED, |
| 45 | |
| 46 | /** |
| 47 | * Signifies that a openstack vtap network has been removed. |
| 48 | */ |
| 49 | VTAP_NETWORK_REMOVED, |
| 50 | |
| 51 | /** |
| 52 | * Signifies that a new openstack vtap has been added. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 53 | */ |
| 54 | VTAP_ADDED, |
| 55 | |
| 56 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 57 | * Signifies that a openstack vtap has been changed. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 58 | */ |
| 59 | VTAP_UPDATED, |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 60 | |
| 61 | /** |
| 62 | * Signifies that a openstack vtap has been removed. |
| 63 | */ |
| 64 | VTAP_REMOVED, |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 65 | } |
| 66 | |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 67 | private final Object prevSubject; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 68 | |
| 69 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 70 | * Creates an event with previous openstack vtap network subject. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 71 | * |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 72 | * The openstack vtap network subject is null if the type is removed |
| 73 | * The previous openstack vtap network subject is null if the type is added |
| 74 | * |
| 75 | * @param type openstack vtap event type |
| 76 | * @param vtapNetwork event openstack vtap network subject |
| 77 | * @param prevVtapNetwork previous openstack vtap network subject |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 78 | */ |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 79 | public OpenstackVtapEvent(Type type, |
| 80 | OpenstackVtapNetwork vtapNetwork, |
| 81 | OpenstackVtapNetwork prevVtapNetwork) { |
| 82 | super(type, vtapNetwork); |
| 83 | prevSubject = prevVtapNetwork; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 87 | * Creates an event of a given type and for the specified openstack vtap network and time. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 88 | * |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 89 | * @param type openstack vtap event type |
| 90 | * @param vtapNetwork event openstack vtap network subject |
| 91 | * @param prevVtapNetwork previous openstack vtap network subject |
| 92 | * @param time occurrence time |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 93 | */ |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 94 | public OpenstackVtapEvent(Type type, |
| 95 | OpenstackVtapNetwork vtapNetwork, |
| 96 | OpenstackVtapNetwork prevVtapNetwork, |
| 97 | long time) { |
| 98 | super(type, vtapNetwork, time); |
| 99 | prevSubject = prevVtapNetwork; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 103 | * Creates an event with previous openstack vtap subject. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 104 | * |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 105 | * The openstack vtap subject is null if the type is removed |
| 106 | * The previous openstack vtap subject is null if the type is added |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 107 | * |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 108 | * @param type openstack vtap event type |
| 109 | * @param vtap event openstack vtap subject |
| 110 | * @param prevVtap previous openstack vtap subject |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 111 | */ |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 112 | public OpenstackVtapEvent(Type type, OpenstackVtap vtap, OpenstackVtap prevVtap) { |
| 113 | super(type, vtap); |
| 114 | prevSubject = prevVtap; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | /** |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 118 | * Creates an event of a given type and for the specified openstack vtap and time. |
| 119 | * |
| 120 | * @param type openstack vtap event type |
| 121 | * @param vtap event openstack vtap subject |
| 122 | * @param prevVtap previous openstack vtap subject |
| 123 | * @param time occurrence time |
| 124 | */ |
| 125 | public OpenstackVtapEvent(Type type, OpenstackVtap vtap, OpenstackVtap prevVtap, long time) { |
| 126 | super(type, vtap, time); |
| 127 | prevSubject = prevVtap; |
| 128 | } |
| 129 | |
| 130 | /** |
| 131 | * Gets the previous subject in this openstack vtap event. |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 132 | * |
| 133 | * @return the previous subject, or null if previous subject is not |
| 134 | * specified. |
| 135 | */ |
Jimo Jung | 14e87bf | 2018-09-03 16:28:13 +0900 | [diff] [blame^] | 136 | public Object prevSubject() { |
| 137 | return prevSubject; |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Gets the openstack vtap network in this openstack vtap event. |
| 142 | * |
| 143 | * @return the subject, or null if the type is removed |
| 144 | */ |
| 145 | public OpenstackVtapNetwork openstackVtapNetwork() { |
| 146 | Object obj = subject(); |
| 147 | checkState(obj == null || obj instanceof OpenstackVtapNetwork, INVALID_OBJ_TYPE, obj); |
| 148 | return (OpenstackVtapNetwork) obj; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * Gets the previous openstack vtap network in this openstack vtap event. |
| 153 | * |
| 154 | * @return the previous subject, or null if type is added |
| 155 | */ |
| 156 | public OpenstackVtapNetwork prevOpenstackVtapNetwork() { |
| 157 | Object obj = prevSubject; |
| 158 | checkState(obj == null || obj instanceof OpenstackVtapNetwork, INVALID_OBJ_TYPE, obj); |
| 159 | return (OpenstackVtapNetwork) obj; |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Gets the openstack vtap in this openstack vtap event. |
| 164 | * |
| 165 | * @return the subject, or null if the type is removed |
| 166 | */ |
| 167 | public OpenstackVtap openstackVtap() { |
| 168 | Object obj = subject(); |
| 169 | checkState(obj == null || obj instanceof OpenstackVtap, INVALID_OBJ_TYPE, obj); |
| 170 | return (OpenstackVtap) obj; |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Gets the previous openstack vtap in this openstack vtap event. |
| 175 | * |
| 176 | * @return the previous subject, or null if type is added |
| 177 | */ |
| 178 | public OpenstackVtap prevOpenstackVtap() { |
| 179 | Object obj = prevSubject; |
| 180 | checkState(obj == null || obj instanceof OpenstackVtap, INVALID_OBJ_TYPE, obj); |
| 181 | return (OpenstackVtap) obj; |
Jian Li | 38e4d94 | 2018-07-03 22:19:16 +0900 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public String toString() { |
| 186 | return toStringHelper(this) |
| 187 | .add("time", Tools.defaultOffsetDataTime(time())) |
| 188 | .add("type", type()) |
| 189 | .add("subject", subject()) |
| 190 | .add("prevSubject", prevSubject()) |
| 191 | .toString(); |
| 192 | } |
| 193 | } |