logError( "Null BeliefStateWindow for asset " + getAssetID() );
logWarning( "Null BeliefStateWindow for asset " + getAssetID() );
    public BeliefState getCurrentBeliefState() throws BelievabilityException {     if ( getBeliefStateWindow() == null ) {         logError( "Null BeliefStateWindow for asset " + getAssetID() );         return null;     }     else return _belief_state_window.getCurrentBeliefState();    }