private GribCollectionProto.VariableRecords writeRecordsProto(
Grib2Rectilyser.VariableBag vb, Set<Integer> fileSet) throws IOException {
GribCollectionProto.VariableRecords.Builder b =
GribCollectionProto.VariableRecords.newBuilder();
b.setCdmHash(vb.first.cdmVariableHash(0));
for (Grib2Rectilyser.Record ar : vb.recordMap) {
GribCollectionProto.Record.Builder br = GribCollectionProto.Record.newBuilder();
if (ar == null || ar.gr == null) {
br.setFileno(0);
br.setPos(0); // missing : ok to use 0 since drsPos > 0
} else {
br.setFileno(ar.gr.getFile());
fileSet.add(ar.gr.getFile());
Grib2SectionDataRepresentation drs = ar.gr.getDataRepresentationSection();
br.setPos(drs.getStartingPosition());
}
b.addRecords(br);
}
return b.build();
}