Package org.apache.cassandra.io.util

Examples of org.apache.cassandra.io.util.RandomAccessReader.seek()

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                    }
                    catch (Exception e)
                    {
                        logger.debug("Invalid row summary in {}; will rebuild it", sstable);
                    }
                    file.seek(this.dataStart);
                    inputWithTracker.reset(0);
                }
            }

            IndexHelper.skipBloomFilter(inputWithTracker);
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            throw new UnsupportedOperationException();

        RandomAccessReader file = (RandomAccessReader) input;
        try
        {
            file.seek(columnPosition);
        }
        catch (IOException e)
        {
            throw new IOError(e);
        }
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        try
        {
            if (input instanceof RandomAccessReader)
            {
                RandomAccessReader file = (RandomAccessReader) input;
                file.seek(this.dataStart);
                if (dataStart + dataSize > file.length())
                    throw new IOException(String.format("dataSize of %s starting at %s would be larger than file %s length %s",
                                          dataSize, dataStart, file.getPath(), file.length()));
                if (checkData && !dataVersion.hasPromotedIndexes)
                {
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                    }
                    catch (Exception e)
                    {
                        logger.debug("Invalid row summary in {}; will rebuild it", sstable);
                    }
                    file.seek(this.dataStart);
                    inputWithTracker.reset(0);
                }
            }

            if (sstable != null && !dataVersion.hasPromotedIndexes)
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    {
        if (!(input instanceof RandomAccessReader))
            throw new UnsupportedOperationException();

        RandomAccessReader file = (RandomAccessReader) input;
        file.seek(columnPosition);
        inputWithTracker.reset(headerSize());
    }

    public int getColumnCount()
    {
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            for (Pair<Long, Long> section : sections)
            {
                long start = validator == null ? section.left : validator.chunkStart(section.left);
                int skipBytes = (int) (section.left - start);
                // seek to the beginning of the section
                file.seek(start);
                if (validator != null)
                    validator.seek(start);

                // length of the section to read
                long length = section.right - start;
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                return;
            }

            if (logger.isDebugEnabled())
                logger.debug("Replaying " + file + " starting at " + replayPosition);
            reader.seek(replayPosition);

            /* read the logs populate RowMutation and apply */
            while (!reader.isEOF())
            {
                if (logger.isDebugEnabled())
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            RowIndexEntry entry = sstable.getPosition(decoratedKey, SSTableReader.Operator.EQ);
            if (entry == null)
                continue;

            dfile.seek(entry.position);
            ByteBufferUtil.readWithShortLength(dfile); // row key
            if (sstable.descriptor.version.hasRowSizeAndColumnCount)
                dfile.readLong(); // row size
            DeletionInfo deletionInfo = new DeletionInfo(DeletionTime.serializer.deserialize(dfile));
            int columnCount = sstable.descriptor.version.hasRowSizeAndColumnCount ? dfile.readInt() : Integer.MAX_VALUE;
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        {
            // stream each of the required sections of the file
            for (Pair<Long, Long> section : header.file.sections)
            {
                // seek to the beginning of the section
                file.seek(section.left);

                // length of the section to stream
                long length = section.right - section.left;
                // tracks write progress
                long bytesTransferred = 0;
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            RowIndexEntry entry = sstable.getPosition(decoratedKey, SSTableReader.Operator.EQ);
            if (entry == null)
                continue;

            dfile.seek(entry.position);
            ByteBufferUtil.readWithShortLength(dfile); // row key
            if (sstable.descriptor.version.hasRowSizeAndColumnCount)
                dfile.readLong(); // row size
            DeletionInfo deletionInfo = DeletionInfo.serializer().deserializeFromSSTable(dfile, sstable.descriptor.version);
            int columnCount = sstable.descriptor.version.hasRowSizeAndColumnCount ? dfile.readInt() : Integer.MAX_VALUE;
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