org.apache.reef.runtime.yarn.client

Class UserCredentialSecurityTokenProvider

java.lang.Object

org.apache.reef.runtime.yarn.client.UserCredentialSecurityTokenProvider

All Implemented Interfaces:

SecurityTokenProvider

public final class UserCredentialSecurityTokenProvider
extends Object
implements SecurityTokenProvider

Reads security token from user credentials.

Method Summary

Methods

Modifier and Type	Method and Description
void	addTokens(byte[] tokens) Add serialized token to teh credentials.
byte[]	getTokens() Returns a ByteBuffer containing security tokens.
static byte[]	serializeToken(org.apache.hadoop.security.token.Token<org.apache.hadoop.yarn.security.AMRMTokenIdentifier> token) Helper method to serialize a security token.

Methods inherited from class java.lang.Object

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

Method Detail

getTokens

public byte[] getTokens()

Description copied from interface: SecurityTokenProvider

Returns a ByteBuffer containing security tokens.

Specified by:

getTokens in interface SecurityTokenProvider

Returns:

a ByteBuffer

addTokens

public void addTokens(byte[] tokens)

Add serialized token to teh credentials.

Specified by:

addTokens in interface SecurityTokenProvider

Parameters:

tokens - ByteBuffer containing token.

serializeToken

public static byte[] serializeToken(org.apache.hadoop.security.token.Token<org.apache.hadoop.yarn.security.AMRMTokenIdentifier> token)

Helper method to serialize a security token.

Parameters:

token - AM security token.

Returns:

ByteBuffer that contains the token. It is compatible with addTokens() method.