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

Packages that use Credentials

Package	Description
org.apache.hadoop.fs	Implementations of AbstractFileSystem for hdfs over rpc and hdfs over web.
org.apache.hadoop.mapred
org.apache.hadoop.mapreduce
org.apache.hadoop.mapreduce.security
org.apache.hadoop.security

Uses of Credentials in org.apache.hadoop.fs

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

Modifier and Type	Method and Description
Token<?>[]	FileSystem.addDelegationTokens(String renewer, Credentials credentials) Obtain all delegation tokens used by this FileSystem that are not already present in the given Credentials.

Uses of Credentials in org.apache.hadoop.mapred

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

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

Uses of Credentials in org.apache.hadoop.mapreduce

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

Modifier and Type	Method and 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 with parameters of type Credentials

Modifier and Type	Method and Description
static byte[]	TokenCache.getSecretKey(Credentials credentials, Text alias) auxiliary method to get user's secret keys..
static void	TokenCache.obtainTokensForNamenodes(Credentials credentials, Path[] ps, Configuration conf) Convenience method to obtain delegation tokens from namenodes corresponding to the paths passed.

Uses of Credentials in org.apache.hadoop.security

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

Modifier and Type	Method and 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 the Tokens therein in the passed UGI
static Credentials	Credentials.readTokenStorageFile(Path filename, Configuration conf) Convenience method for reading a token storage file, and loading the Tokens therein in the passed UGI

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

Modifier and Type	Method and 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

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