@Override public LocationIterableProperties toGeoJsonBuildingBlock() { final Map<String, String> tags = getTags(); tags.put("identifier", String.valueOf(getIdentifier())); tags.put("osmIdentifier", String.valueOf(getOsmIdentifier())); tags.put("itemType", String.valueOf(getType())); final Optional<String> shardName = getAtlas().metaData().getShardName(); shardName.ifPresent(shard -> tags.put("shard", shard)); if (this instanceof Edge) { tags.put("startNode", String.valueOf(((Edge) this).start().getIdentifier())); tags.put("endNode", String.valueOf(((Edge) this).end().getIdentifier())); } final StringList parentRelations = new StringList(); this.relations().forEach(relation -> { final RelationMember member = relation.members().get(getIdentifier(), getType()); parentRelations.add(member.getRelationIdentifier() + "-" + member.getRole()); }); if (!parentRelations.isEmpty()) { tags.put("parentRelations", parentRelations.join(", ")); } return new GeoJsonBuilder.LocationIterableProperties(getRawGeometry(), tags); }