alluxio.underfs.options

Class OpenOptions

java.lang.Object

alluxio.underfs.options.OpenOptions

@PublicApi
 @NotThreadSafe
public class OpenOptions
extends Object

Method options for file locations in UnderFileSystem.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	OpenOptions() Constructs a default OpenOptions.

Method Summary

Modifier and Type	Method and Description
static OpenOptions	defaults()
boolean	equals(Object o)
long	getLength()
long	getOffset()
boolean	getPositionShort()
boolean	getRecoverFailedOpen()
int	hashCode()
OpenOptions	setLength(long length)
OpenOptions	setOffset(long offset) Sets the offset from the start of a file to be opened for reading.
OpenOptions	setPositionShort(boolean positionShort)
OpenOptions	setRecoverFailedOpen(boolean recover)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

OpenOptions

protected OpenOptions()

Constructs a default OpenOptions.

Method Detail

defaults

public static OpenOptions defaults()

Returns:

the default OpenOptions

getOffset

public long getOffset()

Returns:

offset from the start of a file in bytes

getLength

public long getLength()

Returns:

the maximum length of a file

getRecoverFailedOpen

public boolean getRecoverFailedOpen()

Returns:

true if failed open attempts should be recovered

getPositionShort

public boolean getPositionShort()

Returns:

true, if the operation is using positioned read to a small buffer size

setOffset

public OpenOptions setOffset(long offset)

Sets the offset from the start of a file to be opened for reading.

Parameters:

offset - within a file in bytes

Returns:

the updated option object

setLength

public OpenOptions setLength(long length)

Parameters:

length - the maximum length of the file

Returns:

the updated option object

setRecoverFailedOpen

public OpenOptions setRecoverFailedOpen(boolean recover)

Parameters:

recover - true if failed open attempts should be recovered

Returns:

the updated option object

setPositionShort

public OpenOptions setPositionShort(boolean positionShort)

Parameters:

positionShort - whether the operation is positioned read to a small buffer

Returns:

the updated option object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object