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/*
* Copyright 2014 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.topology;
import java.util.Objects;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* Representation of the topology cluster identity.
*/
public final class ClusterId {
private final int id;
// Public construction is prohibit
private ClusterId(int id) {
this.id = id;
}
/**
* Returns the cluster identifier, represented by the specified integer
* serial number.
*
* @param id integer serial number
* @return cluster identifier
*/
public static ClusterId clusterId(int id) {
return new ClusterId(id);
}
/**
* Returns the backing integer index.
*
* @return backing integer index
*/
public int index() {
return id;
}
@Override
public int hashCode() {
return id;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof ClusterId) {
final ClusterId other = (ClusterId) obj;
return Objects.equals(this.id, other.id);
}
return false;
}
@Override
public String toString() {
return toStringHelper(this).add("id", id).toString();
}
}
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