Package org.apache.cassandra.io.util

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

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    {
        Iterator<InetAddress> iter = targets.iterator();
        InetAddress target = iter.next();

        // Add the other destinations of the same message as a FORWARD_HEADER entry
        DataOutputBuffer out = new DataOutputBuffer();
        try
        {
            out.writeInt(targets.size() - 1);
            while (iter.hasNext())
            {
                InetAddress destination = iter.next();
                CompactEndpointSerializationHelper.serialize(destination, out);
                int id = MessagingService.instance().addCallback(handler,
                                                                 message,
                                                                 destination,
                                                                 message.getTimeout(),
                                                                 handler.consistencyLevel,
                                                                 true);
                out.writeInt(id);
                logger.trace("Adding FWD message to {}@{}", id, destination);
            }
            message = message.withParameter(Mutation.FORWARD_TO, out.getData());
            // send the combined message + forward headers
            int id = MessagingService.instance().sendRR(message, target, handler, true);
            logger.trace("Sending message to {}@{}", id, target);
        }
        catch (IOException e)
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    {
        Iterator<InetAddress> iter = targets.iterator();
        InetAddress target = iter.next();

        // Add the other destinations of the same message as a FORWARD_HEADER entry
        DataOutputBuffer out = new DataOutputBuffer();
        try
        {
            out.writeInt(targets.size() - 1);
            while (iter.hasNext())
            {
                InetAddress destination = iter.next();
                CompactEndpointSerializationHelper.serialize(destination, out);
                int id = MessagingService.instance().addCallback(handler,
                                                                 message,
                                                                 destination,
                                                                 message.getTimeout(),
                                                                 handler.consistencyLevel,
                                                                 true);
                out.writeInt(id);
                logger.trace("Adding FWD message to {}@{}", id, destination);
            }
            message = message.withParameter(Mutation.FORWARD_TO, out.getData());
            // send the combined message + forward headers
            int id = MessagingService.instance().sendRR(message, target, handler, true);
            logger.trace("Sending message to {}@{}", id, target);
        }
        catch (IOException e)
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        }
    }

    public ByteBuffer toBytes()
    {
        DataOutputBuffer out = new DataOutputBuffer();
        serializer.serialize(this, out, MessagingService.current_version);
        return ByteBuffer.wrap(out.getData(), 0, out.getLength());
    }
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    {
        Iterator<InetAddress> iter = targets.iterator();
        InetAddress target = iter.next();

        // Add the other destinations of the same message as a FORWARD_HEADER entry
        DataOutputBuffer out = new DataOutputBuffer();
        try
        {
            out.writeInt(targets.size() - 1);
            while (iter.hasNext())
            {
                InetAddress destination = iter.next();
                CompactEndpointSerializationHelper.serialize(destination, out);
                int id = MessagingService.instance().addCallback(handler, message, destination, message.getTimeout(), handler.consistencyLevel);
                out.writeInt(id);
                logger.trace("Adding FWD message to {}@{}", id, destination);
            }
            message = message.withParameter(RowMutation.FORWARD_TO, out.getData());
            // send the combined message + forward headers
            int id = MessagingService.instance().sendRR(message, target, handler);
            logger.trace("Sending message to {}@{}", id, target);
        }
        catch (IOException e)
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        }
    }

    public ByteBuffer toBytes()
    {
        DataOutputBuffer out = new DataOutputBuffer();
        serializer.serialize(this, out, MessagingService.current_version);
        return ByteBuffer.wrap(out.getData(), 0, out.getLength());
    }
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    {
        assert !closed;

        // no special-case for rows.size == 1, we're actually skipping some bytes here so just
        // blindly updating everything wouldn't be correct
        DataOutputBuffer out = new DataOutputBuffer();

        try
        {
            DeletionTime.serializer.serialize(emptyColumnFamily.deletionInfo().getTopLevelDeletion(), out);
            digest.update(out.getData(), 0, out.getLength());
        }
        catch (IOException e)
        {
            throw new AssertionError(e);
        }
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        try
        {
            switch (compression)
            {
                case GZIP:
                    DataOutputBuffer decompressed = new DataOutputBuffer();
                    byte[] outBuffer = new byte[1024], inBuffer = new byte[1024];

                    Inflater decompressor = new Inflater();

                    int lenRead = 0;
                    while (true)
                    {
                        if (decompressor.needsInput())
                            lenRead = query.remaining() < 1024 ? query.remaining() : 1024;
                        query.get(inBuffer, 0, lenRead);
                        decompressor.setInput(inBuffer, 0, lenRead);

                        int lenWrite = 0;
                        while ((lenWrite = decompressor.inflate(outBuffer)) != 0)
                            decompressed.write(outBuffer, 0, lenWrite);

                        if (decompressor.finished())
                            break;
                    }

                    decompressor.end();

                    queryString = new String(decompressed.getData(), 0, decompressed.size(), "UTF-8");
                    break;
                case NONE:
                    try
                    {
                        queryString = ByteBufferUtil.string(query);
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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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        forceBlockingFlush(LOCAL_CF);
    }

    private static String positionAsMapEntry(ColumnFamilyStore cfs, ReplayPosition position)
    {
        DataOutputBuffer out = new DataOutputBuffer();
        try
        {
            ReplayPosition.serializer.serialize(position, out);
        }
        catch (IOException e)
        {
            throw new RuntimeException(e);
        }
        return String.format("{%s: 0x%s}",
                             cfs.metadata.cfId,
                             ByteBufferUtil.bytesToHex(ByteBuffer.wrap(out.getData(), 0, out.getLength())));
    }
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                break;
            }

            AbstractCompactedRow row1 = iter1.next();
            AbstractCompactedRow row2 = iter2.next();
            DataOutputBuffer out1 = new DataOutputBuffer();
            DataOutputBuffer out2 = new DataOutputBuffer();
            row1.write(out1);
            row2.write(out2);

            File tmpFile1 = File.createTempFile("lcrt1", null);
            File tmpFile2 = File.createTempFile("lcrt2", null);

            tmpFile1.deleteOnExit();
            tmpFile2.deleteOnExit();

            new FileOutputStream(tmpFile1).write(out1.getData()); // writing data from row1
            new FileOutputStream(tmpFile2).write(out2.getData()); // writing data from row2

            MappedFileDataInput in1 = new MappedFileDataInput(new FileInputStream(tmpFile1), tmpFile1.getAbsolutePath(), 0, 0);
            MappedFileDataInput in2 = new MappedFileDataInput(new FileInputStream(tmpFile2), tmpFile2.getAbsolutePath(), 0, 0);

            // key isn't part of what CompactedRow writes, that's done by SSTW.append

            // row size can differ b/c of bloom filter counts being different
            long rowSize1 = SSTableReader.readRowSize(in1, sstables.iterator().next().descriptor);
            long rowSize2 = SSTableReader.readRowSize(in2, sstables.iterator().next().descriptor);
            assertEquals(rowSize1 + 8, out1.getLength());
            assertEquals(rowSize2 + 8, out2.getLength());

            // cf metadata
            ColumnFamily cf1 = ColumnFamily.create(cfs.metadata);
            ColumnFamily cf2 = ColumnFamily.create(cfs.metadata);
            cf1.delete(DeletionInfo.serializer().deserializeFromSSTable(in1, Descriptor.Version.CURRENT));
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Related Classes of org.apache.cassandra.io.util.DataOutputBuffer

  • 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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