Package org.apache.hadoop.security.token

Interface DtFetcher

public interface DtFetcher

DtFetcher is an interface which permits the abstraction and separation of delegation token fetch implementaions across different packages and compilation units. Resolution of fetcher impl will be done at runtime.

Method Summary

Modifier and Type	Method	Description
Token<?>	addDelegationTokens(Configuration conf, Credentials creds, java.lang.String renewer, java.lang.String url)	Add any number of delegation tokens to Credentials object and return a token instance that is appropriate for aliasing, or null if none.
Text	getServiceName()	Return a key used to identify the object/service implementation.
boolean	isTokenRequired()	Used to allow the service API to indicate whether a token is required.

Method Detail

getServiceName

Text getServiceName()

Return a key used to identify the object/service implementation.

Returns:

ServiceName.

isTokenRequired

boolean isTokenRequired()

Used to allow the service API to indicate whether a token is required.

Returns:

isTokenRequired.

addDelegationTokens

Token<?> addDelegationTokens(Configuration conf,
                             Credentials creds,
                             java.lang.String renewer,
                             java.lang.String url)
                      throws java.lang.Exception

Add any number of delegation tokens to Credentials object and return a token instance that is appropriate for aliasing, or null if none.

Parameters:

conf - configuration.

creds - credentials.

renewer - renewer.

url - url.

Returns:

DelegationTokens.

Throws:

java.lang.Exception - Exception.