Charles Chan | 7f987c5 | 2018-07-31 18:22:46 -0700 | [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 | |
| 17 | package org.onosproject.l2lb.api; |
| 18 | |
| 19 | import org.onlab.util.Tools; |
| 20 | import org.onosproject.event.AbstractEvent; |
| 21 | import java.util.Objects; |
| 22 | |
| 23 | import static com.google.common.base.MoreObjects.toStringHelper; |
| 24 | |
| 25 | public class L2LbEvent extends AbstractEvent<L2LbEvent.Type, L2Lb> { |
| 26 | |
| 27 | private L2Lb prevSubject; |
| 28 | |
| 29 | /** |
| 30 | * L2 load balancer event type. |
| 31 | */ |
| 32 | public enum Type { |
| 33 | ADDED, |
| 34 | REMOVED, |
| 35 | UPDATED |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * Constructs a L2 load balancer event. |
| 40 | * |
| 41 | * @param type event type |
| 42 | * @param subject current L2 load balancer information |
| 43 | * @param prevSubject previous L2 load balancer information |
| 44 | */ |
| 45 | public L2LbEvent(Type type, L2Lb subject, L2Lb prevSubject) { |
| 46 | super(type, subject); |
| 47 | this.prevSubject = prevSubject; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Gets previous L2 load balancer information. |
| 52 | * |
| 53 | * @return previous subject |
| 54 | */ |
| 55 | public L2Lb prevSubject() { |
| 56 | return prevSubject; |
| 57 | } |
| 58 | |
| 59 | @Override |
| 60 | public int hashCode() { |
| 61 | return Objects.hash(subject(), time(), prevSubject); |
| 62 | } |
| 63 | |
| 64 | @Override |
| 65 | public boolean equals(Object other) { |
| 66 | if (this == other) { |
| 67 | return true; |
| 68 | } |
| 69 | |
| 70 | if (!(other instanceof L2LbEvent)) { |
| 71 | return false; |
| 72 | } |
| 73 | |
| 74 | L2LbEvent that = (L2LbEvent) other; |
| 75 | return Objects.equals(this.subject(), that.subject()) && |
| 76 | Objects.equals(this.type(), that.type()) && |
| 77 | Objects.equals(this.prevSubject, that.prevSubject); |
| 78 | } |
| 79 | |
| 80 | @Override |
| 81 | public String toString() { |
| 82 | return toStringHelper(this) |
| 83 | .add("type", type()) |
| 84 | .add("subject", subject()) |
| 85 | .add("prevSubject", prevSubject) |
| 86 | .add("time", Tools.defaultOffsetDataTime(time())) |
| 87 | .toString(); |
| 88 | } |
| 89 | } |