@Override
    public String getConnectionIdentifier() {
        return connection.getIdentifier();
    }
Returns the connection being actively used. If this active connection is
not the primary connection, this will be the connection being actively
shared.

@return
    The connection being actively used.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/activeconnection/TrackedActiveConnection.java