private void revisitGateways(Definitions def) {
        List<RootElement> rootElements = def.getRootElements();
        for (RootElement root : rootElements) {
            if (root instanceof Process) {
                setGatewayInfo((Process) root);
            }
        }
    }
private void revisitGateways ( Definitions def ) { List < RootElement > rootElements = def . getRootElements ( ) ; for ( RootElement root : rootElements ) { if ( root instanceof Process ) { setGatewayInfo ( ( Process ) root ) ; } } }
Updates the gatewayDirection attributes of all gateways.
@param def