Package org.apache.hadoop.fs.http.server

Class FSOperations.FSGetSnapshottableDirListing

java.lang.Object

org.apache.hadoop.fs.http.server.FSOperations.FSGetSnapshottableDirListing

All Implemented Interfaces:

FileSystemAccess.FileSystemExecutor<String>

Enclosing class:

FSOperations

@Private
public static class FSOperations.FSGetSnapshottableDirListing
extends Object
implements FileSystemAccess.FileSystemExecutor<String>

Executor that performs a getSnapshottableDirListing operation.

Constructor Summary

Constructors

Constructor	Description
FSGetSnapshottableDirListing()	Creates a getSnapshottableDirListing executor.

Method Summary

Modifier and Type	Method	Description
String	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 Details

FSGetSnapshottableDirListing

public FSGetSnapshottableDirListing()

Creates a getSnapshottableDirListing executor.

Method Details

execute

public String execute(org.apache.hadoop.fs.FileSystem fs)
               throws IOException

Executes the filesystem operation.

Specified by:

execute in interface FileSystemAccess.FileSystemExecutor<String>

Parameters:

fs - filesystem instance to use.

Returns:

A JSON string of all snapshottable directories.

Throws:

IOException - thrown if an IO error occurred.