| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.mcast.api; |
| |
| import com.google.common.annotations.Beta; |
| import org.onosproject.event.AbstractEvent; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| |
| /** |
| * An entity representing a multicast event. Event either add or remove |
| * sinks or sources. |
| */ |
| @Beta |
| public class McastEvent extends AbstractEvent<McastEvent.Type, McastRouteUpdate> { |
| |
| /** |
| * Mcast Event type enum. |
| */ |
| public enum Type { |
| /** |
| * A new mcast route has been added. |
| */ |
| ROUTE_ADDED, |
| |
| /** |
| * A mcast route has been removed. |
| */ |
| ROUTE_REMOVED, |
| |
| /** |
| * A set of sources for a mcast route (ie. the subject) has been added. |
| */ |
| SOURCES_ADDED, |
| |
| /** |
| * A set of sources for a mcast route has been removed. |
| */ |
| SOURCES_REMOVED, |
| |
| /** |
| * A set of sinks for a mcast route (ie. the subject) has been added. |
| */ |
| SINKS_ADDED, |
| |
| /** |
| * A set of sinks for a mcast route (ie. the subject) has been removed. |
| */ |
| SINKS_REMOVED |
| } |
| |
| private McastRouteUpdate prevSubject; |
| |
| /** |
| * Creates a McastEvent of a given type using the subject. |
| * |
| * @param type the event type |
| * @param prevSubject the previous mcast information |
| * @param subject the current mcast information |
| */ |
| public McastEvent(McastEvent.Type type, McastRouteUpdate prevSubject, McastRouteUpdate subject) { |
| super(type, subject); |
| this.prevSubject = prevSubject; |
| } |
| |
| /** |
| * Gets the previous subject in this Mcast event. |
| * |
| * @return the previous subject, or null if previous subject is not |
| * specified. |
| */ |
| public McastRouteUpdate prevSubject() { |
| return this.prevSubject; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type(), subject(), prevSubject()); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } |
| |
| if (!(other instanceof McastEvent)) { |
| return false; |
| } |
| |
| McastEvent that = (McastEvent) other; |
| |
| return Objects.equals(this.subject(), that.subject()) && |
| Objects.equals(this.type(), that.type()) && |
| Objects.equals(this.prevSubject(), that.prevSubject()); |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(this) |
| .add("type", type()) |
| .add("prevSubject", prevSubject()) |
| .add("subject", subject()) |
| .toString(); |
| } |
| } |