IUserQuery (Avoka Transact API - 21.11.0)

All Known Implementing Classes:

LdapUserDetailsAuthenticationProvider, LocalUserDetailsAuthenticationProvider
```
public interface IUserQuery
```
Provides an interface to determine whether a user exists with the implementing AuthenticationProvider.

Since:

3.5.0

See Also:

AuthenticationProvider

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`doesUserExist(String userId)`	Return true if the user exists with the given authentication provider.

- Method Detail
  - doesUserExist
```
boolean doesUserExist(String userId)
```
    Return true if the user exists with the given authentication provider.
    
    Parameters:
    
    userId - the unique user identifier (required)
    
    Returns:
    
    true if the user exists with the given authentication provider