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

Class FSOperations.FSContentSummary

java.lang.Object

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

All Implemented Interfaces:

FileSystemAccess.FileSystemExecutor<java.util.Map>

Enclosing class:

FSOperations

@Private
public static class FSOperations.FSContentSummary
extends java.lang.Object
implements FileSystemAccess.FileSystemExecutor<java.util.Map>

Executor that performs a content-summary FileSystemAccess files system operation.

Constructor Summary

Constructors

Constructor	Description
FSContentSummary(java.lang.String path)	Creates a content-summary executor.

Method Summary

Modifier and Type	Method	Description
java.util.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

FSContentSummary

public FSContentSummary(java.lang.String path)

Creates a content-summary executor.

Parameters:

path - the path to retrieve the content-summary.

Method Detail

execute

public java.util.Map execute(org.apache.hadoop.fs.FileSystem fs)
                      throws java.io.IOException

Executes the filesystem operation.

Specified by:

execute in interface FileSystemAccess.FileSystemExecutor<java.util.Map>

Parameters:

fs - filesystem instance to use.

Returns:

a Map object (JSON friendly) with the content-summary.

Throws:

java.io.IOException - thrown if an IO error occurred.