private void process(OsmRelation relation) {
boolean hasChildRelations = false;
TLongList childRelationMembers = new TLongArrayList();
for (OsmRelationMember member : OsmModelUtil.membersAsList(relation)) {
if (member.getType() == EntityType.Relation) {
hasChildRelations = true;
idsIsChildRelation.add(member.getId());
childRelationMembers.add(member.getId());
if (storeSimpleRelations) {
idsSimpleRelations.remove(member.getId());
}
}
}
long id = relation.getId();
if (hasChildRelations) {
idsHasChildRelations.add(id);
if (!graph.getNodes().contains(id)) {
graph.addNode(id);
}
TLongIterator iterator = childRelationMembers.iterator();
while (iterator.hasNext()) {
long member = iterator.next();
if (!graph.getNodes().contains(member)) {
graph.addNode(member);
}
graph.addEdge(id, member);
}
} else {
if (storeSimpleRelations && !idsIsChildRelation.contains(id)) {
idsSimpleRelations.add(id);
}
numNoChildren++;
}
}
private void extract(Path path) throws IOException {
Path pathWays = path.resolve(fileNamesWays);
Path pathNodeIds = path.resolve(fileNamesNodeIds);
InputStream input = StreamUtil.bufferedInputStream(pathWays.toFile());
OsmIterator osmIterator = OsmIoUtils.setupOsmIterator(input, inputFormat, false);
OutputStream outputNodeIds = StreamUtil.bufferedOutputStream(pathNodeIds.toFile());
IdListOutputStream idOutputNodeIds = new IdListOutputStream(outputNodeIds);
TLongSet nodeIdsSet = new TLongHashSet();
for (EntityContainer container : osmIterator) {
if (container.getType() != EntityType.Way) {
continue;
}
OsmWay way = (OsmWay) container.getEntity();
for (long id : OsmModelUtil.nodesAsList(way).toArray()) {
nodeIdsSet.add(id);
}
}
input.close();
long[] nodesIds = nodeIdsSet.toArray();
Arrays.sort(nodesIds);
for (long id : nodesIds) {
idOutputNodeIds.write(id);
}
idOutputNodeIds.close();
}