/**
* 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.lib.service;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import java.io.IOException;
@InterfaceAudience.Private
public interface FileSystemAccess {
public interface FileSystemExecutor<T> {
public T execute(FileSystem fs) throws IOException;
}
public <T> T execute(String user, Configuration conf,
FileSystemExecutor<T> executor) throws FileSystemAccessException;
public FileSystem createFileSystem(String user, Configuration conf)
throws IOException, FileSystemAccessException;
public void releaseFileSystem(FileSystem fs) throws IOException;
public Configuration getFileSystemConfiguration();
}