public IndexedSliceReader(
SSTableReader sstable,
RowIndexEntry indexEntry,
FileDataInput input,
ByteBuffer startColumn,
ByteBuffer finishColumn,
boolean reversed) {
this.sstable = sstable;
this.originalInput = input;
this.startColumn = startColumn;
this.finishColumn = finishColumn;
this.reversed = reversed;
this.comparator = sstable.metadata.comparator;
try {
if (sstable.descriptor.hasPromotedIndexes) {
this.indexes = indexEntry.columnsIndex();
if (indexes.isEmpty()) {
setToRowStart(sstable, indexEntry, input);
this.emptyColumnFamily =
ColumnFamily.serializer()
.deserializeFromSSTableNoColumns(ColumnFamily.create(sstable.metadata), file);
fetcher = new SimpleBlockFetcher();
} else {
this.emptyColumnFamily = ColumnFamily.create(sstable.metadata);
emptyColumnFamily.delete(indexEntry.deletionInfo());
fetcher = new IndexedBlockFetcher(indexEntry);
}
} else {
setToRowStart(sstable, indexEntry, input);
IndexHelper.skipBloomFilter(file);
this.indexes = IndexHelper.deserializeIndex(file);
this.emptyColumnFamily =
ColumnFamily.serializer()
.deserializeFromSSTableNoColumns(ColumnFamily.create(sstable.metadata), file);
fetcher = indexes.isEmpty() ? new SimpleBlockFetcher() : new IndexedBlockFetcher();
}
} catch (IOException e) {
sstable.markSuspect();
throw new IOError(e);
}
}
