org.apache.flink.core.fs

Class FileInputSplit

java.lang.Object

org.apache.flink.core.io.LocatableInputSplit

org.apache.flink.core.fs.FileInputSplit

All Implemented Interfaces:

Serializable, InputSplit

@Public
public class FileInputSplit
extends LocatableInputSplit

A file input split provides information on a particular part of a file, possibly hosted on a distributed file system and replicated among several hosts.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FileInputSplit(int num, Path file, long start, long length, String[] hosts) Constructs a split with host information.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
long	getLength() Returns the number of bytes in the file to process.
Path	getPath() Returns the path of the file containing this split's data.
long	getStart() Returns the position of the first byte in the file to process.
int	hashCode()
String	toString()

Methods inherited from class org.apache.flink.core.io.LocatableInputSplit

getHostnames, getSplitNumber

Methods inherited from class java.lang.Object

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

Constructor Detail

FileInputSplit

public FileInputSplit(int num,
              Path file,
              long start,
              long length,
              String[] hosts)

Constructs a split with host information.

Parameters:

num - the number of this input split

file - the file name

start - the position of the first byte in the file to process

length - the number of bytes in the file to process (-1 is flag for "read whole file")

hosts - the list of hosts containing the block, possibly null

Method Detail

getPath

public Path getPath()

Returns the path of the file containing this split's data.

Returns:

the path of the file containing this split's data.

getStart

public long getStart()

Returns the position of the first byte in the file to process.

Returns:

the position of the first byte in the file to process

getLength

public long getLength()

Returns the number of bytes in the file to process.

Returns:

the number of bytes in the file to process

hashCode

public int hashCode()

Overrides:

hashCode in class LocatableInputSplit

equals

public boolean equals(Object obj)

Overrides:

equals in class LocatableInputSplit

toString

public String toString()

Overrides:

toString in class LocatableInputSplit