io.atomix.cluster.NodeId Maven / Gradle / Ivy
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/*
* Copyright 2014-present Open Networking Foundation
* Copyright © 2020 camunda services GmbH ([email protected])
*
* 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 io.atomix.cluster;
import io.atomix.utils.AbstractIdentifier;
import java.util.Objects;
import java.util.UUID;
/** Node identifier. */
public class NodeId extends AbstractIdentifier implements Comparable {
/** Constructor for serialization. */
private NodeId() {
this("");
}
/**
* Creates a new cluster node identifier from the specified string.
*
* @param id string identifier
*/
public NodeId(final String id) {
super(id);
}
/**
* Creates a new cluster node identifier from the specified string.
*
* @return node id
*/
public static NodeId anonymous() {
return new NodeId(UUID.randomUUID().toString());
}
/**
* Creates a new cluster node identifier from the specified string.
*
* @param id string identifier
* @return node id
*/
public static NodeId from(final String id) {
return new NodeId(id);
}
@Override
public int hashCode() {
return Objects.hash(id());
}
@Override
public boolean equals(final Object object) {
if (object instanceof NodeId) {
return ((NodeId) object).id().equals(id());
}
if (object instanceof AbstractIdentifier) {
return object.equals(this);
}
return false;
}
@Override
public int compareTo(final NodeId that) {
return identifier.compareTo(that.identifier);
}
}