Examples of org.apache.cassandra.io.util.DataOutputBuffer

org.apache.cassandra.io.util.DataOutputBuffer
An implementation of the DataOutputStream interface. This class is completely thread unsafe.

    }


    public PrecompactedRow(ColumnFamilyStore cfStore, List<SSTableIdentityIterator> rows, boolean major, int gcBefore, boolean forceDeserialize)
    {
        super(rows.get(0).getKey());
        buffer = new DataOutputBuffer();


        Set<SSTable> sstables = new HashSet<SSTable>();
        for (SSTableIdentityIterator row : rows)
        {
            sstables.add(row.sstable);

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        // pack message with header in a bytebuffer
        byte[] data;
        try
        {
            DataOutputBuffer buffer = new DataOutputBuffer();
            Message.serializer().serialize(message, buffer);
            data = buffer.getData();
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }

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    public void updateDigest(MessageDigest digest)
    {
        assert name_ != null;
        digest.update(name_.duplicate());
        DataOutputBuffer buffer = new DataOutputBuffer();
        try
        {
            buffer.writeLong(markedForDeleteAt.get());
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        digest.update(buffer.getData(), 0, buffer.getLength());
        for (IColumn column : columns_.values())
        {
            column.updateDigest(digest);
        }
    }

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         * | No. of Pending files | Pending Files ... |
         */
        byte[] bytes;
        try
        {
            DataOutputBuffer buffer = new DataOutputBuffer();
            StreamHeader.serializer().serialize(streamHeader, buffer, version);
            bytes = buffer.getData();
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        assert bytes.length > 0;


        ByteBuffer buffer = ByteBuffer.allocate(4 + 4 + 4 + bytes.length);
        buffer.putInt(PROTOCOL_MAGIC);
        buffer.putInt(header);
        buffer.putInt(bytes.length);
        buffer.put(bytes);
        buffer.flip();
        return buffer;
    }

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    }


    public long write(DataOutput out) throws IOException
    {
        assert compactedCf != null;
        DataOutputBuffer buffer = new DataOutputBuffer();
        DataOutputBuffer headerBuffer = new DataOutputBuffer();
        ColumnIndexer.serialize(compactedCf, headerBuffer);
        ColumnFamily.serializer().serializeForSSTable(compactedCf, buffer);
        int dataSize = headerBuffer.getLength() + buffer.getLength();
        out.writeLong(dataSize);
        out.write(headerBuffer.getData(), 0, headerBuffer.getLength());
        out.write(buffer.getData(), 0, buffer.getLength());
        return dataSize;
    }

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    }


    public void update(MessageDigest digest)
    {
        assert compactedCf != null;
        DataOutputBuffer buffer = new DataOutputBuffer();
        try
        {
            ColumnFamily.serializer().serializeCFInfo(compactedCf, buffer);
            buffer.writeInt(compactedCf.getColumnCount());
            digest.update(buffer.getData(), 0, buffer.getLength());
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }

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        this.clear_snapshot = clearSnapshot;
    }


    public Message getMessage(Integer version) throws IOException
    {
        DataOutputBuffer dob = new DataOutputBuffer();
        serializer.serialize(this, dob, version);
        return new Message(FBUtilities.getBroadcastAddress(), StorageService.Verb.SNAPSHOT, Arrays.copyOf(dob.getData(), dob.getLength()), version);
    }

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    public void updateDigest(MessageDigest digest)
    {
        digest.update(name.duplicate());
        digest.update(value.duplicate());


        DataOutputBuffer buffer = new DataOutputBuffer();
        try
        {
            buffer.writeLong(timestamp);
            buffer.writeByte(serializationFlags());
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        digest.update(buffer.getData(), 0, buffer.getLength());
    }

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            else
                emptyColumnFamily.delete(cf);
        }


        // initialize row header so isEmpty can be called
        headerBuffer = new DataOutputBuffer();
        ColumnIndexer.serialize(this, headerBuffer);
        // reach into the reducer used during iteration to get column count, size, max column timestamp
        // (however, if there are zero columns, iterator() will not be called by ColumnIndexer and reducer will be null)
        columnCount = reducer == null ? 0 : reducer.size;
        columnSerializedSize = reducer == null ? 0 : reducer.serializedSize;

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    public long write(DataOutput out) throws IOException
    {
        assert !closed;


        DataOutputBuffer clockOut = new DataOutputBuffer();
        ColumnFamily.serializer().serializeCFInfo(emptyColumnFamily, clockOut);


        long dataSize = headerBuffer.getLength() + clockOut.getLength() + columnSerializedSize;
        if (logger.isDebugEnabled())
            logger.debug(String.format("header / clock / column sizes are %s / %s / %s",
                         headerBuffer.getLength(), clockOut.getLength(), columnSerializedSize));
        assert dataSize > 0;
        out.writeLong(dataSize);
        out.write(headerBuffer.getData(), 0, headerBuffer.getLength());
        out.write(clockOut.getData(), 0, clockOut.getLength());
        out.writeInt(columnCount);


        Iterator<IColumn> iter = iterator();
        while (iter.hasNext())
        {

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org.apache.cassandra.AbstractSerializationsTester

org.apache.cassandra.bulkloader.CassandraBulkLoader

org.apache.cassandra.db.BatchlogManager

org.apache.cassandra.db.Cell

org.apache.cassandra.db.Column

org.apache.cassandra.db.ColumnFamily

org.apache.cassandra.db.ColumnFamilyTest

org.apache.cassandra.db.ColumnIndexer

org.apache.cassandra.db.commitlog.CommitLogSegment

org.apache.cassandra.db.compaction.LazilyCompactedRow

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