Uses of Class
org.apache.hadoop.security.Credentials

Packages that use Credentials

Package	Description
org.apache.hadoop.mapred
org.apache.hadoop.mapreduce
org.apache.hadoop.mapreduce.security
org.apache.hadoop.security	Classes for hadoop security.
org.apache.hadoop.security.token.delegation.web

Uses of Credentials in org.apache.hadoop.mapred

Methods in org.apache.hadoop.mapred that return Credentials

Modifier and Type	Method	Description
Credentials	JobConf.getCredentials()	Get credentials for the job.

Methods in org.apache.hadoop.mapred with parameters of type Credentials

Modifier and Type	Method	Description
void	JobConf.setCredentials(Credentials credentials)

Uses of Credentials in org.apache.hadoop.mapreduce

Methods in org.apache.hadoop.mapreduce that return Credentials

Modifier and Type	Method	Description
Credentials	JobContext.getCredentials()	Get credentials for the job.

Uses of Credentials in org.apache.hadoop.mapreduce.security

Methods in org.apache.hadoop.mapreduce.security that return Credentials

Modifier and Type	Method	Description
static Credentials	TokenCache.loadTokens(String jobTokenFile, Configuration conf)	Deprecated. Use readTokenStorageFile(org.apache.hadoop.fs.Path, org.apache.hadoop.conf.Configuration) instead, this method is included for compatibility against Hadoop-1.
static Credentials	TokenCache.loadTokens(String jobTokenFile, JobConf conf)	Deprecated. Use readTokenStorageFile(org.apache.hadoop.fs.Path, org.apache.hadoop.conf.Configuration) instead, this method is included for compatibility against Hadoop-1.

Methods in org.apache.hadoop.mapreduce.security with parameters of type Credentials

Modifier and Type	Method	Description
static Token<?>	TokenCache.getDelegationToken(Credentials credentials, String namenode)	Deprecated. Use getToken(org.apache.hadoop.io.Text) instead, this method is included for compatibility against Hadoop-1
static byte[]	TokenCache.getEncryptedSpillKey(Credentials credentials)
static Token<org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier>	TokenCache.getJobToken(Credentials credentials)
static byte[]	TokenCache.getSecretKey(Credentials credentials, Text alias)	auxiliary method to get user's secret keys..
static byte[]	TokenCache.getShuffleSecretKey(Credentials credentials)
static void	TokenCache.obtainTokensForNamenodes(Credentials credentials, Path[] ps, Configuration conf)	Convenience method to obtain delegation tokens from namenodes corresponding to the paths passed.
static void	TokenCache.setEncryptedSpillKey(byte[] key, Credentials credentials)
static void	TokenCache.setJobToken(Token<? extends TokenIdentifier> t, Credentials credentials)	store job token
static void	TokenCache.setShuffleSecretKey(byte[] key, Credentials credentials)

Uses of Credentials in org.apache.hadoop.security

Methods in org.apache.hadoop.security that return Credentials

Modifier and Type	Method	Description
Credentials	UserGroupInformation.getCredentials()	Obtain the tokens in credentials form associated with this user.
static Credentials	Credentials.readTokenStorageFile(File filename, Configuration conf)	Convenience method for reading a token storage file and loading its Tokens.
static Credentials	Credentials.readTokenStorageFile(Path filename, Configuration conf)	Convenience method for reading a token storage file and loading its Tokens.

Methods in org.apache.hadoop.security with parameters of type Credentials

Modifier and Type	Method	Description
void	Credentials.addAll(Credentials other)	Copy all of the credentials from one credential object into another.
void	UserGroupInformation.addCredentials(Credentials credentials)	Add the given Credentials to this user.
void	Credentials.mergeAll(Credentials other)	Copy all of the credentials from one credential object into another.

Constructors in org.apache.hadoop.security with parameters of type Credentials

Modifier	Constructor	Description
	Credentials(Credentials credentials)	Create a copy of the given credentials.

Uses of Credentials in org.apache.hadoop.security.token.delegation.web

Methods in org.apache.hadoop.security.token.delegation.web with parameters of type Credentials

Modifier and Type	Method	Description
Token<? extends TokenIdentifier>	DelegationTokenAuthenticatedURL.selectDelegationToken(URL url, Credentials creds)	Select a delegation token from all tokens in credentials, based on url.