// read all records in all files, // divide into groups based on GDS hash // each group has an arraylist of all records that belong to it. // for each group, run rectlizer to derive the coordinates and variables public List<Group> makeAggregatedGroups( ArrayList<String> filenames, CollectionManager.Force force, Formatter f) throws IOException { Map<Integer, Group> gdsMap = new HashMap<Integer, Group>(); f.format("GribCollection %s: makeAggregatedGroups%n", gc.getName()); int total = 0; int fileno = 0; for (CollectionManager dcm : collections) { // dcm.scanIfNeeded(); // LOOK ?? f.format(" dcm= %s%n", dcm); Map<Integer, Integer> gdsConvert = (Map<Integer, Integer>) dcm.getAuxInfo("gdsHash"); for (MFile mfile : dcm.getFiles()) { // f.format("%3d: %s%n", fileno, mfile.getPath()); filenames.add(mfile.getPath()); Grib2Index index = new Grib2Index(); try { if (!index.readIndex( mfile.getPath(), mfile.getLastModified(), force)) { // heres where the index date is checked against the data file index.makeIndex(mfile.getPath(), f); f.format( " Index written: %s == %d records %n", mfile.getName() + Grib2Index.IDX_EXT, index.getRecords().size()); } else if (debug) { f.format( " Index read: %s == %d records %n", mfile.getName() + Grib2Index.IDX_EXT, index.getRecords().size()); } } catch (IOException ioe) { f.format( "GribCollectionBuilder: reading/Creating gbx9 index failed err=%s%n skipping %s%n", ioe.getMessage(), mfile.getPath() + Grib2Index.IDX_EXT); continue; } for (Grib2Record gr : index.getRecords()) { gr.setFile(fileno); // each record tracks which file it belongs to int gdsHash = gr.getGDSsection().getGDS().hashCode(); // use GDS hash code to group records if (gdsConvert != null && gdsConvert.get(gdsHash) != null) { // allow external config to muck with gdsHash. Why? because of error in // encoding gdsHash = (Integer) gdsConvert.get(gdsHash); // and we need exact hash matching } Group g = gdsMap.get(gdsHash); if (g == null) { g = new Group(gr.getGDSsection(), gdsHash); gdsMap.put(gdsHash, g); } g.records.add(gr); total++; } fileno++; } } f.format(" total grib records= %d%n", total); Grib2Rectilyser.Counter c = new Grib2Rectilyser.Counter(); List<Group> result = new ArrayList<Group>(gdsMap.values()); for (Group g : result) { g.rect = new Grib2Rectilyser(g.records, g.gdsHash); f.format(" GDS hash %d == ", g.gdsHash); g.rect.make(f, c); } f.format( " Rectilyser: nvars=%d records unique=%d total=%d dups=%d (%f) %n", c.vars, c.recordsUnique, c.records, c.dups, ((float) c.dups) / c.records); return result; }
// 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; }
// read all records in all files, // divide into groups based on GDS hash // each group has an arraylist of all records that belong to it. // for each group, run rectlizer to derive the coordinates and variables public List<Group> makeAggregatedGroups( List<String> filenames, CollectionManager.Force force, Formatter f) throws IOException { Map<Integer, Group> gdsMap = new HashMap<Integer, Group>(); boolean intvMerge = mergeIntvDefault; f.format("GribCollection %s: makeAggregatedGroups%n", gc.getName()); int total = 0; int fileno = 0; for (CollectionManager dcm : collections) { f.format(" dcm= %s%n", dcm); FeatureCollectionConfig.GribConfig config = (FeatureCollectionConfig.GribConfig) dcm.getAuxInfo(FeatureCollectionConfig.AUX_GRIB_CONFIG); Map<Integer, Integer> gdsConvert = (config != null) ? config.gdsHash : null; FeatureCollectionConfig.GribIntvFilter intvMap = (config != null) ? config.intvFilter : null; intvMerge = (config == null) || (config.intvMerge == null) ? mergeIntvDefault : config.intvMerge; for (MFile mfile : dcm.getFiles()) { // f.format("%3d: %s%n", fileno, mfile.getPath()); filenames.add(mfile.getPath()); Grib2Index index = null; try { index = (Grib2Index) GribIndex.readOrCreateIndexFromSingleFile( false, !isSingleFile, mfile, config, force, f); } catch (IOException ioe) { logger.warn( "GribCollectionBuilder {}: reading/Creating gbx9 index failed err={}", gc.getName(), ioe.getMessage()); f.format( "GribCollectionBuilder: reading/Creating gbx9 index failed err=%s%n skipping %s%n", ioe.getMessage(), mfile.getPath() + GribIndex.IDX_EXT); continue; } for (Grib2Record gr : index.getRecords()) { if (this.tables == null) { Grib2SectionIdentification ids = gr.getId(); // so all records must use the same table (!) this.tables = Grib2Customizer.factory( ids.getCenter_id(), ids.getSubcenter_id(), ids.getMaster_table_version(), ids.getLocal_table_version()); if (config != null) tables.setTimeUnitConverter( config .getTimeUnitConverter()); // LOOK doesnt really work with multiple collections } if (intvMap != null && filterTinv(gr, intvMap, f)) continue; // skip gr.setFile(fileno); // each record tracks which file it belongs to int gdsHash = gr.getGDSsection().getGDS().hashCode(); // use GDS hash code to group records if (gdsConvert != null && gdsConvert.get(gdsHash) != null) // allow external config to muck with gdsHash. Why? because of error in // encoding gdsHash = (Integer) gdsConvert.get(gdsHash); // and we need exact hash matching Group g = gdsMap.get(gdsHash); if (g == null) { g = new Group(gr.getGDSsection(), gdsHash); gdsMap.put(gdsHash, g); } g.records.add(gr); total++; } fileno++; } } f.format(" total grib records= %d%n", total); Grib2Rectilyser.Counter c = new Grib2Rectilyser.Counter(); // debugging List<Group> result = new ArrayList<Group>(gdsMap.values()); for (Group g : result) { g.rect = new Grib2Rectilyser(tables, g.records, g.gdsHash, intvMerge); f.format(" GDS hash %d == ", g.gdsHash); g.rect.make(f, c, filenames); } f.format( " Rectilyser: nvars=%d records unique=%d total=%d dups=%d (%f) %n", c.vars, c.recordsUnique, c.records, c.dups, ((float) c.dups) / c.records); return result; }