/**
* 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.util;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.util.DiskChecker.DiskErrorException;
import java.io.File;
/**
* A interface for disk validators.
*
* The {@link #checkStatus(File)} operation checks status of a file/dir.
*
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public interface DiskValidator {
/**
* Check the status of a file/dir.
* @param dir a file/dir
* @throws DiskErrorException if any disk error
*/
void checkStatus(File dir) throws DiskErrorException;
}