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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.ovsdb.controller;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* The abstract event of ovsdb.
*/
public final class OvsdbEvent<S> {
public enum Type {
/**
* Signifies that a new ovs port update has been detected.
*/
PORT_ADDED,
/**
* Signifies that a ovs port has been removed.
*/
PORT_REMOVED
}
private final Type type;
private final S subject;
/**
* Creates an event of a given type and for the specified event subject.
*
* @param type event type
* @param subject event subject
*/
public OvsdbEvent(Type type, S subject) {
this.type = type;
this.subject = subject;
}
/**
* Returns the type of event.
*
* @return event type
*/
public Type type() {
return type;
}
/**
* Returns the subject of event.
*
* @return subject to which this event pertains
*/
public S subject() {
return subject;
}
@Override
public String toString() {
return toStringHelper(this).add("type", type())
.add("subject", subject()).toString();
}
}
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