/*
MAGIC_START
version
sizeRecords
VariableRecords (sizeRecords bytes)
sizeIndex
GribCollectionIndex (sizeIndex bytes)
*/
private boolean writeIndex(TimePartition.Partition canon, Formatter f) throws IOException {
File file = tp.getIndexFile();
if (file.exists()) {
if (!file.delete()) logger.error("Cant delete " + file.getPath());
}
RandomAccessFile raf = new RandomAccessFile(file.getPath(), "rw");
raf.order(RandomAccessFile.BIG_ENDIAN);
try {
//// header message
raf.write(MAGIC_START.getBytes("UTF-8"));
raf.writeInt(version);
raf.writeLong(0); // no record section
GribCollectionProto.GribCollectionIndex.Builder indexBuilder =
GribCollectionProto.GribCollectionIndex.newBuilder();
indexBuilder.setName(tp.getName());
GribCollection canonGc = canon.makeGribCollection(f);
for (GribCollection.GroupHcs g : canonGc.getGroups())
indexBuilder.addGroups(writeGroupProto(g));
indexBuilder.setCenter(canonGc.getCenter());
indexBuilder.setSubcenter(canonGc.getSubcenter());
indexBuilder.setMaster(canonGc.getMaster());
indexBuilder.setLocal(canonGc.getLocal());
for (TimePartition.Partition p : tp.getPartitions()) {
indexBuilder.addPartitions(writePartitionProto(p.getName(), (TimePartition.Partition) p));
}
GribCollectionProto.GribCollectionIndex index = indexBuilder.build();
byte[] b = index.toByteArray();
NcStream.writeVInt(raf, b.length); // message size
raf.write(b); // message - all in one gulp
f.format("GribCollectionTimePartitionedIndex= %d bytes%n", b.length);
} finally {
f.format("file size = %d bytes%n", raf.length());
raf.close();
}
return true;
}
// consistency check on variables : compare each variable to corresponding one in proto
// also set the groupno and partno for each partition
private boolean checkPartitions(TimePartition.Partition canon, Formatter f) throws IOException {
List<TimePartition.Partition> partitions = tp.getPartitions();
int npart = partitions.size();
boolean ok = true;
// for each group in canonical Partition
GribCollection canonGc = canon.makeGribCollection(f);
for (GribCollection.GroupHcs firstGroup : canonGc.getGroups()) {
String gname = firstGroup.getId();
if (trace) f.format(" Check Group %s%n", gname);
// hash proto variables for quick lookup
Map<Integer, GribCollection.VariableIndex> check =
new HashMap<Integer, GribCollection.VariableIndex>(firstGroup.varIndex.size());
List<GribCollection.VariableIndex> varIndexP =
new ArrayList<GribCollection.VariableIndex>(firstGroup.varIndex.size());
for (GribCollection.VariableIndex vi : firstGroup.varIndex) {
TimePartition.VariableIndexPartitioned vip = tp.makeVariableIndexPartitioned(vi, npart);
varIndexP.add(vip);
check.put(vi.cdmHash, vip); // replace with its evil twin
}
firstGroup.varIndex = varIndexP; // replace with its evil twin
// for each partition
for (int partno = 0; partno < npart; partno++) {
TimePartition.Partition tpp = partitions.get(partno);
if (trace) f.format(" Check Partition %s%n", tpp.getName());
// get corresponding group
GribCollection gc = tpp.makeGribCollection(f);
int groupIdx = gc.findGroupIdxById(firstGroup.getId());
if (groupIdx < 0) {
f.format(" Cant find group %s in partition %s%n", gname, tpp.getName());
ok = false;
continue;
}
GribCollection.GroupHcs group = gc.getGroup(groupIdx);
// for each variable in partition group
for (int varIdx = 0; varIdx < group.varIndex.size(); varIdx++) {
GribCollection.VariableIndex vi2 = group.varIndex.get(varIdx);
if (trace) f.format(" Check variable %s%n", vi2);
int flag = 0;
GribCollection.VariableIndex vi1 = check.get(vi2.cdmHash); // compare with proto variable
if (vi1 == null) {
f.format(
" WARN Cant find variable %s from %s in proto - ignoring that variable%n",
vi2, tpp.getName());
continue; // we can tolerate this
}
// compare vert coordinates
VertCoord vc1 = vi1.getVertCoord();
VertCoord vc2 = vi2.getVertCoord();
if ((vc1 == null) != (vc2 == null)) {
f.format(
" ERR Vert coordinates existence on variable %s in %s doesnt match%n",
vi2, tpp.getName());
ok = false;
} else if ((vc1 != null) && !vc1.equalsData(vc2)) {
f.format(
" WARN Vert coordinates values on variable %s in %s dont match%n",
vi2, tpp.getName());
f.format(" canon vc = %s%n", vc1);
f.format(" this vc = %s%n", vc2);
flag |= TimePartition.VERT_COORDS_DIFFER;
}
// compare ens coordinates
EnsCoord ec1 = vi1.getEnsCoord();
EnsCoord ec2 = vi2.getEnsCoord();
if ((ec1 == null) != (ec2 == null)) {
f.format(
" ERR Ensemble coordinates existence on variable %s in %s doesnt match%n",
vi2, tpp.getName());
ok = false;
} else if ((ec1 != null) && !ec1.equalsData(ec2)) {
f.format(
" WARN Ensemble coordinates values on variable %s in %s dont match%n",
vi2, tpp.getName());
f.format(" canon ec = %s%n", ec1);
f.format(" this ec = %s%n", ec2);
flag |= TimePartition.ENS_COORDS_DIFFER;
}
((TimePartition.VariableIndexPartitioned) vi1)
.setPartitionIndex(partno, groupIdx, varIdx, flag);
} // loop over variable
} // loop over partition
} // loop over group
if (ok) f.format(" Partition check: vert, ens coords OK%n");
return ok;
}
