org.apache.gobblin.util.filesystem

Class FileStatusEntry

java.lang.Object

org.apache.hadoop.fs.FileStatus

org.apache.gobblin.util.filesystem.FileStatusEntry

All Implemented Interfaces:

Comparable, org.apache.hadoop.io.Writable

public class FileStatusEntry
extends org.apache.hadoop.fs.FileStatus

Field Summary

Fields

Modifier and Type	Field and Description
com.google.common.base.Optional<org.apache.hadoop.fs.FileStatus>	_fileStatus

Constructor Summary

Constructors

Constructor and Description
FileStatusEntry(org.apache.hadoop.fs.Path path)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o) Compare if this object is equal to another object
FileStatusEntry[]	getChildren() Return the directory's files.
int	getLevel() Return the level
FileStatusEntry	getParent() Return the parent entry.
org.apache.hadoop.fs.Path	getPath() Return the path from the instance FileStatus variable
int	hashCode() Returns a hash code value for the object, which is defined as the hash code of the path name.
boolean	isDirectory() Return whether the path is a directory from the instance FileStatus variable.
boolean	isExists() Indicate whether the file existed the last time it was checked.
FileStatusEntry	newChildInstance(org.apache.hadoop.fs.Path path) Create a new child instance.
boolean	refresh(org.apache.hadoop.fs.Path path)
void	setChildren(FileStatusEntry[] children) Set the directory's files.

Methods inherited from class org.apache.hadoop.fs.FileStatus

compareTo, getAccessTime, getBlockSize, getGroup, getLen, getModificationTime, getOwner, getPermission, getReplication, getSymlink, isDir, isFile, isSymlink, readFields, setGroup, setOwner, setPath, setPermission, setSymlink, toString, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

_fileStatus

public com.google.common.base.Optional<org.apache.hadoop.fs.FileStatus> _fileStatus

Constructor Detail

FileStatusEntry

public FileStatusEntry(org.apache.hadoop.fs.Path path)
                throws IOException

Throws:

IOException

Method Detail

refresh

public boolean refresh(org.apache.hadoop.fs.Path path)
                throws IOException

Throws:

IOException

newChildInstance

public FileStatusEntry newChildInstance(org.apache.hadoop.fs.Path path)
                                 throws IOException

Create a new child instance.

Custom implementations should override this method to return a new instance of the appropriate type.

Parameters:

path - The child file

Returns:

a new child instance

Throws:

IOException

getParent

public FileStatusEntry getParent()

Return the parent entry.

Returns:

the parent entry

getLevel

public int getLevel()

Return the level

Returns:

the level

getChildren

public FileStatusEntry[] getChildren()

Return the directory's files.

Returns:

This directory's files or an empty array if the file is not a directory or the directory is empty

setChildren

public void setChildren(FileStatusEntry[] children)

Set the directory's files.

Parameters:

children - This directory's files, may be null

isExists

public boolean isExists()

Indicate whether the file existed the last time it was checked.

Returns:

whether the file existed

getPath

public org.apache.hadoop.fs.Path getPath()

Return the path from the instance FileStatus variable

Overrides:

getPath in class org.apache.hadoop.fs.FileStatus

Returns:

isDirectory

public boolean isDirectory()

Return whether the path is a directory from the instance FileStatus variable.

Overrides:

isDirectory in class org.apache.hadoop.fs.FileStatus

Returns:

equals

public boolean equals(Object o)

Compare if this object is equal to another object

Overrides:

equals in class org.apache.hadoop.fs.FileStatus

Parameters:

o - the object to be compared.

Returns:

true if two file status has the same path name; false if not.

hashCode

public int hashCode()

Returns a hash code value for the object, which is defined as the hash code of the path name.

Overrides:

hashCode in class org.apache.hadoop.fs.FileStatus

Returns:

a hash code value for the path name.