Package org.apache.hadoop.fs.viewfs

Class InodeTree.INodeLink<T>

java.lang.Object

org.apache.hadoop.fs.viewfs.InodeTree.INodeLink<T>

Enclosing class:

InodeTree<T>

public static class InodeTree.INodeLink<T>
extends java.lang.Object

An internal class to represent a mount link. A mount link can be single dir link or a merge dir link. A merge dir link is a merge (junction) of links to dirs: example : merge of 2 dirs /users -> hdfs:nn1//users /users -> hdfs:nn2//users For a merge, each target is checked to be dir when created but if target is changed later it is then ignored (a dir with null entries)

Method Summary

Modifier and Type	Method	Description
T	getTargetFileSystem()	Get the instance of FileSystem to use, creating one if needed.
Path	getTargetLink()	Get the target of the link.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getTargetLink

public Path getTargetLink()

Get the target of the link. If a merge link then it returned as "," separated URI list.

Returns:

the path.

getTargetFileSystem

public T getTargetFileSystem()
                      throws java.io.IOException

Get the instance of FileSystem to use, creating one if needed.

Returns:

An Initialized instance of T

Throws:

java.io.IOException - raised on errors performing I/O.