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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.net.mcast;
import com.google.common.annotations.Beta;
import org.onosproject.event.AbstractEvent;
import org.onosproject.net.ConnectPoint;
import java.util.Optional;
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, McastRoute> {
private final Optional<ConnectPoint> sink;
private final Optional<ConnectPoint> source;
public enum Type {
/**
* A new mcast route has been added.
*/
ROUTE_ADDED,
/**
* A mcast route has been removed.
*/
ROUTE_REMOVED,
/**
* A source for a mcast route (ie. the subject) has been added.
*/
SOURCE_ADDED,
/**
* A sink for a mcast route (ie. the subject) has been added.
*/
SINK_ADDED,
/**
* A source for a mcast route (ie. the subject) has been removed.
*/
SINK_REMOVED
}
private McastEvent(McastEvent.Type type, McastRoute subject) {
super(type, subject);
sink = Optional.empty();
source = Optional.empty();
}
private McastEvent(McastEvent.Type type, McastRoute subject, long time) {
super(type, subject, time);
sink = Optional.empty();
source = Optional.empty();
}
public McastEvent(McastEvent.Type type, McastRoute subject,
ConnectPoint sink,
ConnectPoint source) {
super(type, subject);
this.sink = Optional.ofNullable(sink);
this.source = Optional.ofNullable(source);
}
public McastEvent(McastEvent.Type type, McastRoute subject, long time,
ConnectPoint sink,
ConnectPoint source) {
super(type, subject, time);
this.sink = Optional.ofNullable(sink);
this.source = Optional.ofNullable(source);
}
/**
* The sink which has been removed or added. The field may not be set
* if the sink has not been detected yet or has been removed.
*
* @return an optional connect point
*/
public Optional<ConnectPoint> sink() {
return sink;
}
/**
* The source which has been removed or added.
* @return an optional connect point
*/
public Optional<ConnectPoint> source() {
return source;
}
@Override
public String toString() {
return toStringHelper(this)
.add("type", type())
.add("route", subject())
.add("source", source)
.add("sinks", sink).toString();
}
}
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