/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.fs;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* Opaque interface that identifies a disk location. Subclasses
* should implement {@link Comparable} and override both equals and hashCode.
*/
@InterfaceStability.Unstable
@InterfaceAudience.Public
public interface VolumeId extends Comparable<VolumeId> {
@Override
abstract public int compareTo(VolumeId arg0);
@Override
abstract public int hashCode();
@Override
abstract public boolean equals(Object obj);
}