Package org.apache.cassandra.io.util

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

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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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                // (see https://issues.apache.org/jira/browse/CASSANDRA-2285)
                logger.debug("skipping replay of fully-flushed {}", file);
                return;
            }

            reader.seek(replayPosition);

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

            /* read the logs populate RowMutation and apply */
 
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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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        {
            // 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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                // (see https://issues.apache.org/jira/browse/CASSANDRA-2285)
                logger.debug("skipping replay of fully-flushed {}", file);
                return;
            }

            reader.seek(replayPosition);

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

            /* read the logs populate RowMutation and apply */
 
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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
                DeletionInfo deletionInfo = new DeletionInfo(DeletionTime.serializer.deserialize(dfile));

                Iterator<OnDiskAtom> atomIterator = sstable.metadata.getOnDiskIterator(dfile, sstable.descriptor.version);
                checkStream(outs);
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                    break;

                if (logger.isDebugEnabled())
                    logger.debug("Replaying {} between {} and {}", file, offset, end);

                reader.seek(offset);

                 /* read the logs populate Mutation and apply */
                while (reader.getPosition() < end && !reader.isEOF())
                {
                    if (logger.isDebugEnabled())
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