Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.OnDiskAtom

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    protected OnDiskAtom computeNext()
    {
        if (i++ >= columns)
            return endOfData();

        OnDiskAtom column;
        try
        {
            file.reset(mark);
            column = atomSerializer.deserializeFromSSTable(file, sstable.descriptor.version);
        }
        catch (IOException e)
        {
            throw new CorruptSSTableException(e, file.getPath());
        }
        if (finishColumn.remaining() > 0 && comparator.compare(column.name(), finishColumn) > 0)
            return endOfData();

        mark = file.mark();
        return column;
    }
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    protected OnDiskAtom computeNext()
    {
        while (true)
        {
            OnDiskAtom column = blockColumns.poll();
            if (column == null)
            {
                if (!fetcher.fetchMoreData())
                    return endOfData();
            }
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            {
                boolean gotSome = false;
                // Avoids some comparison when we know it's not useful
                boolean inSlice = false;

                OnDiskAtom prefetchedCol;
                while ((prefetchedCol = prefetched.peek() ) != null)
                {
                    // col is before slice, we update the slice
                    if (isColumnBeforeSliceStart(prefetchedCol))
                    {
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            // We remenber when we are whithin a slice to avoid some comparison
            boolean inSlice = false;

            // scan from index start
            OnDiskAtom column = null;
            while (file.bytesPastMark(mark) < currentIndex.width)
            {
                // Only fetch a new column if we haven't dealt with the previous one.
                if (column == null)
                    column = atomSerializer.deserializeFromSSTable(file, sstable.descriptor.version);
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            OnDiskAtom.Serializer atomSerializer = emptyColumnFamily.getOnDiskSerializer();
            int columns = file.readInt();

            for (int i = 0; i < columns; i++)
            {
                OnDiskAtom column = atomSerializer.deserializeFromSSTable(file, sstable.descriptor.version);

                // col is before slice
                // (If in slice, don't bother checking that until we change slice)
                if (!inSlice && isColumnBeforeSliceStart(column))
                    continue;
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            private void getNext()
            {
                while (iter.hasNext())
                {
                    OnDiskAtom atom = iter.next();

                    if (atom instanceof Cell)
                    {
                        next = (Cell)atom;
                        break;
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        {
            while (iter.hasNext())
            {
                // deserialize column with PRESERVE_SIZE because we've written the cellDataSize 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 CounterCell)
                {
                    atom = ((CounterCell) atom).markLocalToBeCleared();
                    hasLegacyCounterShards = hasLegacyCounterShards || ((CounterCell) atom).hasLegacyShards();
                }

                int deletionTime = atom.getLocalDeletionTime();
                if (deletionTime < Integer.MAX_VALUE)
                    tombstones.update(deletionTime);
                minTimestamp = Math.min(minTimestamp, atom.timestamp());
                maxTimestamp = Math.max(maxTimestamp, atom.timestamp());
                minColumnNames = ColumnNameHelper.minComponents(minColumnNames, atom.name(), metadata.comparator);
                maxColumnNames = ColumnNameHelper.maxComponents(maxColumnNames, atom.name(), metadata.comparator);
                maxLocalDeletionTime = Math.max(maxLocalDeletionTime, atom.getLocalDeletionTime());

                columnIndexer.add(atom); // This write the atom on disk too
            }

            columnIndexer.maybeWriteEmptyRowHeader();
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                if (indexedColumnsInRow != null)
                    indexedColumnsInRow.clear();

                while (row.hasNext())
                {
                    OnDiskAtom column = row.next();

                    if (column instanceof Cell && cfs.indexManager.indexes((Cell) column))
                    {
                        if (indexedColumnsInRow == null)
                            indexedColumnsInRow = new ArrayList<>();
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    protected OnDiskAtom computeNext()
    {
        if (i++ >= columns)
            return endOfData();

        OnDiskAtom column;
        try
        {
            file.reset(mark);
            column = atomSerializer.deserializeFromSSTable(file, sstable.descriptor.version);
        }
        catch (IOException e)
        {
            throw new CorruptSSTableException(e, file.getPath());
        }
        if (finishColumn.remaining() > 0 && comparator.compare(column.name(), finishColumn) > 0)
            return endOfData();

        mark = file.mark();
        return column;
    }
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        OnDiskAtom.Serializer atomSerializer = cf.getOnDiskSerializer();
        int columns = file.readInt();
        int n = 0;
        for (int i = 0; i < columns; i++)
        {
            OnDiskAtom column = atomSerializer.deserializeFromSSTable(file, sstable.descriptor.version);
            if (column instanceof IColumn)
            {
                if (columnNames.contains(column.name()))
                {
                    result.add(column);
                    if (n++ > filteredColumnNames.size())
                        break;
                }
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