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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.store.service;
import java.util.Objects;
import com.google.common.base.MoreObjects;
/**
* Representation of a DistributedSet update notification.
*
* @param <E> set element type
*/
public final class SetEvent<E> {
/**
* SetEvent type.
*/
public enum Type {
/**
* Entry added to the set.
*/
ADD,
/**
* Entry removed from the set.
*/
REMOVE
}
private final String name;
private final Type type;
private final E entry;
/**
* Creates a new event object.
*
* @param name set name
* @param type type of the event
* @param entry entry the event concerns
*/
public SetEvent(String name, Type type, E entry) {
this.name = name;
this.type = type;
this.entry = entry;
}
/**
* Returns the set name.
*
* @return name of set
*/
public String name() {
return name;
}
/**
* Returns the type of the event.
*
* @return type of the event
*/
public Type type() {
return type;
}
/**
* Returns the entry this event concerns.
*
* @return the entry
*/
public E entry() {
return entry;
}
@Override
public boolean equals(Object o) {
if (!(o instanceof SetEvent)) {
return false;
}
SetEvent that = (SetEvent) o;
return Objects.equals(this.name, that.name) &&
Objects.equals(this.type, that.type) &&
Objects.equals(this.entry, that.entry);
}
@Override
public int hashCode() {
return Objects.hash(name, type, entry);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("name", name)
.add("type", type)
.add("entry", entry)
.toString();
}
}
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