public final void addLinkHolder(final OsmLinkHolder holder, final OsmNode source) {
        final OsmLinkHolder firstHolder = getFirstLinkHolder(source);
        if (firstHolder != null) {
            holder.setNextForLink(firstHolder);
        }
        setFirstLinkHolder(holder, source);
    }
Reset this link for the given direction
main/src/main/java/cgeo/geocaching/brouter/mapaccess/OsmLink.java