org.apache.hadoop.fs

クラス LocatedFileStatus

java.lang.Object

org.apache.hadoop.fs.FileStatus

org.apache.hadoop.fs.LocatedFileStatus

すべての実装されたインタフェース:

Comparable<FileStatus>, Writable

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public class LocatedFileStatus
extends FileStatus

This class defines a FileStatus that includes a file's block locations.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
LocatedFileStatus()
LocatedFileStatus(FileStatus stat, BlockLocation[] locations) Constructor
LocatedFileStatus(long length, boolean isdir, int block_replication, long blocksize, long modification_time, long access_time, FsPermission permission, String owner, String group, Path symlink, Path path, BlockLocation[] locations) Constructor

メソッドのサマリー

修飾子とタイプ	メソッドと説明
int	compareTo(FileStatus o) Compare this FileStatus to another FileStatus
boolean	equals(Object o) Compare if this object is equal to another object
BlockLocation[]	getBlockLocations() Get the file's block locations
int	hashCode() Returns a hash code value for the object, which is defined as the hash code of the path name.

クラスから継承されたメソッド org.apache.hadoop.fs.FileStatus

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

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

LocatedFileStatus

public LocatedFileStatus()

LocatedFileStatus

public LocatedFileStatus(FileStatus stat,
                         BlockLocation[] locations)
                  throws IOException

Constructor

パラメータ:

stat - a file status

locations - a file's block locations

例外:

IOException

LocatedFileStatus

public LocatedFileStatus(long length,
                         boolean isdir,
                         int block_replication,
                         long blocksize,
                         long modification_time,
                         long access_time,
                         FsPermission permission,
                         String owner,
                         String group,
                         Path symlink,
                         Path path,
                         BlockLocation[] locations)

Constructor

パラメータ:

length - a file's length

isdir - if the path is a directory

block_replication - the file's replication factor

blocksize - a file's block size

modification_time - a file's modification time

access_time - a file's access time

permission - a file's permission

owner - a file's owner

group - a file's group

symlink - symlink if the path is a symbolic link

path - the path's qualified name

locations - a file's block locations

メソッドの詳細

getBlockLocations

public BlockLocation[] getBlockLocations()

Get the file's block locations

戻り値:

the file's block locations

compareTo

public int compareTo(FileStatus o)

Compare this FileStatus to another FileStatus

定義:

compareTo インタフェース内 Comparable<FileStatus>

オーバーライド:

compareTo クラス内 FileStatus

パラメータ:

o - the FileStatus to be compared.

戻り値:

a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.

equals

public boolean equals(Object o)

Compare if this object is equal to another object

オーバーライド:

equals クラス内 FileStatus

パラメータ:

o - the object to be compared.

戻り値:

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.

オーバーライド:

hashCode クラス内 FileStatus

戻り値:

a hash code value for the path name.