org.apache.hadoop.mapreduce.lib.output.committer.manifest.files

Class DirEntry

java.lang.Object

org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.DirEntry

All Implemented Interfaces:

Serializable, Writable

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public final class DirEntry
extends Object
implements Serializable, Writable

A directory entry in the task manifest. Uses shorter field names for smaller files. Hash and equals are on dir name only. Can be serialized as a java object, json object or hadoop writable.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DirEntry(Path dir, int type, int level) Construct an entry.
DirEntry(String dir, int type, int level) Construct an entry.

Method Summary

Modifier and Type	Method and Description
static DirEntry	dirEntry(Path dest, org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.EntryStatus type, int level) A directory entry.
static DirEntry	dirEntry(Path dest, int type, int level) A directory entry.
boolean	equals(Object o)
Path	getDestPath()
String	getDir()
int	getLevel()
org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.EntryStatus	getStatus()
int	getType()
int	hashCode()
void	readFields(DataInput in) Deserialize the fields of this object from in.
void	setDir(String dir)
void	setLevel(int level)
void	setStatus(org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.EntryStatus status)
void	setType(int type)
String	toString()
void	validate()
void	write(DataOutput out) Serialize the fields of this object to out.

Methods inherited from class java.lang.Object

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

Constructor Detail

DirEntry

public DirEntry(String dir,
                int type,
                int level)

Construct an entry.

Parameters:

dir - destination path.

type - type of dest entry

level - Level in the treewalk.

DirEntry

public DirEntry(Path dir,
                int type,
                int level)

Construct an entry.

Parameters:

dir - destination path.

type - type of dest entry

level - Level in the treewalk.

Method Detail

setDir

public void setDir(String dir)

getDir

public String getDir()

getDestPath

public Path getDestPath()

getType

public int getType()

setType

public void setType(int type)

setLevel

public void setLevel(int level)

getLevel

public int getLevel()

getStatus

public org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.EntryStatus getStatus()

setStatus

public void setStatus(org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.EntryStatus status)

validate

public void validate()
              throws IOException

Throws:

IOException

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException - any other problem for write.

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException - any other problem for readFields.

dirEntry

public static DirEntry dirEntry(Path dest,
                                int type,
                                int level)

A directory entry.

Parameters:

dest - destination path.

type - type

level - Level in the treewalk.

Returns:

an entry

dirEntry

public static DirEntry dirEntry(Path dest,
                                org.apache.hadoop.mapreduce.lib.output.committer.manifest.files.EntryStatus type,
                                int level)

A directory entry.

Parameters:

dest - destination path.

type - type

level - Level in the treewalk.

Returns:

an entry