long minTimestamp = Long.MAX_VALUE;
long maxTimestamp = Long.MIN_VALUE;
int maxLocalDeletionTime = Integer.MIN_VALUE;
List<ByteBuffer> minColumnNames = Collections.emptyList();
List<ByteBuffer> maxColumnNames = Collections.emptyList();
StreamingHistogram tombstones = new StreamingHistogram(TOMBSTONE_HISTOGRAM_BIN_SIZE);
ColumnFamily cf = ArrayBackedSortedColumns.factory.create(metadata);
// skip row size for version < ja
if (version.hasRowSizeAndColumnCount)
FileUtils.skipBytesFully(in, 8);
cf.delete(DeletionTime.serializer.deserialize(in));
ColumnIndex.Builder columnIndexer = new ColumnIndex.Builder(cf, key.key, dataFile.stream);
// read column count for version < ja
int columnCount = Integer.MAX_VALUE;
if (version.hasRowSizeAndColumnCount)
columnCount = in.readInt();
if (cf.deletionInfo().getTopLevelDeletion().localDeletionTime < Integer.MAX_VALUE)
tombstones.update(cf.deletionInfo().getTopLevelDeletion().localDeletionTime);
Iterator<RangeTombstone> rangeTombstoneIterator = cf.deletionInfo().rangeIterator();
while (rangeTombstoneIterator.hasNext())
{
RangeTombstone rangeTombstone = rangeTombstoneIterator.next();
tombstones.update(rangeTombstone.getLocalDeletionTime());
minColumnNames = ColumnNameHelper.minComponents(minColumnNames, rangeTombstone.min, metadata.comparator);
maxColumnNames = ColumnNameHelper.maxComponents(maxColumnNames, rangeTombstone.max, metadata.comparator);
}
Iterator<OnDiskAtom> iter = metadata.getOnDiskIterator(in, columnCount, ColumnSerializer.Flag.PRESERVE_SIZE, Integer.MIN_VALUE, version);
try
{
while (iter.hasNext())
{
// deserialize column with PRESERVE_SIZE because we've written the dataSize based on the
// data size received, so we must reserialize the exact same data
OnDiskAtom atom = iter.next();
if (atom == null)
break;
if (atom instanceof CounterColumn)
atom = ((CounterColumn) atom).markLocalToBeCleared();
int deletionTime = atom.getLocalDeletionTime();
if (deletionTime < Integer.MAX_VALUE)
{
tombstones.update(deletionTime);
}
minTimestamp = Math.min(minTimestamp, atom.minTimestamp());
maxTimestamp = Math.max(maxTimestamp, atom.maxTimestamp());
minColumnNames = ColumnNameHelper.minComponents(minColumnNames, atom.name(), metadata.comparator);
maxColumnNames = ColumnNameHelper.maxComponents(maxColumnNames, atom.name(), metadata.comparator);