org.apache.hadoop.fs.http.server
Class FSOperations.FSFileChecksum

java.lang.Object
  extended by org.apache.hadoop.fs.http.server.FSOperations.FSFileChecksum
All Implemented Interfaces:
FileSystemAccess.FileSystemExecutor<Map>
Enclosing class:
FSOperations

@InterfaceAudience.Private
public static class FSOperations.FSFileChecksum
extends Object
implements FileSystemAccess.FileSystemExecutor<Map>

Executor that performs a file-checksum FileSystemAccess files system operation.


Constructor Summary
FSOperations.FSFileChecksum(String path)
          Creates a file-checksum executor.
 
Method Summary
 Map execute(org.apache.hadoop.fs.FileSystem fs)
          Executes the filesystem operation.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

FSOperations.FSFileChecksum

public FSOperations.FSFileChecksum(String path)
Creates a file-checksum executor.

Parameters:
path - the path to retrieve the checksum.
Method Detail

execute

public Map execute(org.apache.hadoop.fs.FileSystem fs)
            throws IOException
Executes the filesystem operation.

Specified by:
execute in interface FileSystemAccess.FileSystemExecutor<Map>
Parameters:
fs - filesystem instance to use.
Returns:
a Map object (JSON friendly) with the file checksum.
Throws:
IOException - thrown if an IO error occured.


Copyright © 2014 Apache Software Foundation. All Rights Reserved.