public Timestamp getLastActive() {
        return lastActive;
    }
Returns the date and time that this user was last active, or null if
this user has never logged in.

@return
    The date and time that this user was last active, or null if this
    user has never logged in.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/user/UserModel.java