Package org.apache.hadoop.ipc

Class ClientId

java.lang.Object

org.apache.hadoop.ipc.ClientId

@Private
public class ClientId
extends Object

A class defining a set of static helper methods to provide conversion between bytes and string for UUID-based client Id.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	BYTE_LENGTH	The byte array of a UUID should be 16

Constructor Summary

Constructors

Constructor	Description
ClientId()

Method Summary

Modifier and Type	Method	Description
static byte[]	getClientId()
static long	getLsb(byte[] clientId)
static long	getMsb(byte[] clientId)
static byte[]	toBytes(String id)
static String	toString(byte[] clientId)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

BYTE_LENGTH

public static final int BYTE_LENGTH

The byte array of a UUID should be 16

See Also:

• Constant Field Values

Constructor Details

ClientId

public ClientId()

Method Details

getClientId

public static byte[] getClientId()

Returns:

Return clientId as byte[].

toString

public static String toString(byte[] clientId)

Parameters:

clientId - input clientId.

Returns:

Convert a clientId byte[] to string.

getMsb

public static long getMsb(byte[] clientId)

getLsb

public static long getLsb(byte[] clientId)

toBytes

public static byte[] toBytes(String id)

Parameters:

id - input id.

Returns:

Convert from clientId string byte[] representation of clientId.