com.google.cloud.hadoop.util

Interface AccessTokenProvider

All Superinterfaces:

org.apache.hadoop.conf.Configurable

public interface AccessTokenProvider
extends org.apache.hadoop.conf.Configurable

A provider to provide access token, and upon access token expiration, the utility to refresh.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	AccessTokenProvider.AccessToken An access token and its expiration time.

Method Summary

Modifier and Type	Method and Description
AccessTokenProvider.AccessToken	getAccessToken()
void	refresh() Force this provider to refresh its access token.

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Method Detail

getAccessToken

AccessTokenProvider.AccessToken getAccessToken()

Returns:

an access token.

refresh

void refresh()
      throws java.io.IOException

Force this provider to refresh its access token.

Throws:

java.io.IOException - when refresh fails.