UserStateFactory (Alluxio Core - Common Utilities 295 API)

All Known Implementing Classes:

NoopUserState.Factory, SimpleUserState.Factory
```
public interface UserStateFactory
```
A factory for creating new UserState instances.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`UserState`	`create(javax.security.auth.Subject subject, AlluxioConfiguration conf, boolean isServer)`

- Method Detail
  - create
```
UserState create(javax.security.auth.Subject subject,
                 AlluxioConfiguration conf,
                 boolean isServer)
```
    Parameters:
    
    subject - the subject
    
    conf - the configuration
    
    isServer - true if this is from a server process, false otherwise
    
    Returns:
    
    a UserState, or null if this UserState is not supported