ICredentialsRenewer (Storm 2.7.1 API)

All Known Implementing Classes:

AbstractHadoopNimbusPluginAutoCreds, AutoHBaseNimbus, AutoHDFSNimbus, AutoHiveNimbus, AutoTGT
```
public interface ICredentialsRenewer
```
Provides a way to renew credentials on behalf of a user.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`prepare(Map<String,Object> conf)`	Called when initializing the service.
`void`	`renew(Map<String,String> credentials, Map<String,Object> topologyConf, String topologyOwnerPrincipal)`	Renew any credentials that need to be renewed.

- Method Detail
  - prepare
```
void prepare(Map<String,Object> conf)
```
    Called when initializing the service.
    
    Parameters:
    
    conf - the storm cluster configuration.
  - renew
```
void renew(Map<String,String> credentials,
           Map<String,Object> topologyConf,
           String topologyOwnerPrincipal)
```
    Renew any credentials that need to be renewed. (Update the credentials if needed)
    
    Parameters:
    
    credentials - the credentials that may have something to renew.
    
    topologyConf - topology configuration.
    
    topologyOwnerPrincipal - the full principal name of the owner of the topology