All Known Implementing Classes:

DBUserServiceImpl
```
public interface UserService
```
This interface defines all methods for the manipulation of trove database instance users

Author:

sumit gandhi

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`ActionResponse`	`create(String instanceId, TroveDatabaseUser.DatabaseUsers databaseUsers)`	Create a user for the database instance
`ActionResponse`	`delete(String instanceId, String userName)`	Deletes a user for the database instance
`ActionResponse`	`grantUserDBAccess(String instanceId, String userName, TroveDatabase.Databases databases)`	Grant user access to a database on the database instance
`List<? extends DatabaseUser>`	`list(String instanceId)`	Returns list of all users for the database instance
`List<? extends Database>`	`listUserDatabases(String instanceId, String userName)`	Returns list of all databases which the user has access to on the database instance
`ActionResponse`	`revokeUserDBAccess(String instanceId, String userName, String dbName)`	Revoke user access to a database on the database instance

Method Detail

list
```
List<? extends DatabaseUser> list(String instanceId)
```
Returns list of all users for the database instance

Returns:

the list of users for the database instance

listUserDatabases

List<? extends Database> listUserDatabases(String instanceId,
                                           String userName)

Returns list of all databases which the user has access to on the database instance

Returns:: the list of databases for a user

create

ActionResponse create(String instanceId,
                      TroveDatabaseUser.DatabaseUsers databaseUsers)

Create a user for the database instance

Returns:: the action response

delete

ActionResponse delete(String instanceId,
                      String userName)

Deletes a user for the database instance

Returns:: the action response

grantUserDBAccess

ActionResponse grantUserDBAccess(String instanceId,
                                 String userName,
                                 TroveDatabase.Databases databases)

Grant user access to a database on the database instance

Returns:: the action response

revokeUserDBAccess

ActionResponse revokeUserDBAccess(String instanceId,
                                  String userName,
                                  String dbName)

Revoke user access to a database on the database instance

Returns:: the action response

Interface UserService