Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ReadResponse

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     */
    public Row getData()
    {
        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse result = message.payload;
            if (!result.isDigestQuery())
                return result.row();
        }
        return null;
    }
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        ColumnFamily data = null;
        ByteBuffer digest = null;

        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse response = message.payload;

            ByteBuffer newDigest;
            if (response.isDigestQuery())
            {
                newDigest = response.digest();
            }
            else
            {
                // note that this allows for multiple data replies, post-CASSANDRA-5932
                data = response.row().cf;
                newDigest = ColumnFamily.digest(data);
            }

            if (digest == null)
                digest = newDigest;
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     */
    public Row getData()
    {
        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse result = message.payload;
            if (!result.isDigestQuery())
                return result.row();
        }
        return null;
    }
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        ColumnFamily data = null;
        ByteBuffer digest = null;

        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse response = message.payload;
            if (response.isDigestQuery())
            {
                if (digest == null)
                {
                    digest = response.digest();
                }
                else
                {
                    ByteBuffer digest2 = response.digest();
                    if (!digest.equals(digest2))
                        throw new DigestMismatchException(key, digest, digest2);
                }
            }
            else
            {
                data = response.row().cf;
            }
        }

        // Compare digest (only one, since we threw earlier if there were different replies)
        // with the data response. If there is a mismatch then throw an exception so that read repair can happen.
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     */
    public Row getData()
    {
        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse result = message.payload;
            if (!result.isDigestQuery())
                return result.row();
        }

        throw new AssertionError("getData should not be invoked when no data is present");
    }
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        ColumnFamily data = null;
        ByteBuffer digest = null;

        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse response = message.payload;
            if (response.isDigestQuery())
            {
                if (digest == null)
                {
                    digest = response.digest();
                }
                else
                {
                    ByteBuffer digest2 = response.digest();
                    if (!digest.equals(digest2))
                        throw new DigestMismatchException(key, digest, digest2);
                }
            }
            else
            {
                data = response.row().cf;
            }
        }

        // Compare digest (only one, since we threw earlier if there were different replies)
        // with the data response. If there is a mismatch then throw an exception so that read repair can happen.
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     */
    public Row getData()
    {
        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse result = message.payload;
            if (!result.isDigestQuery())
                return result.row();
        }
        return null;
    }
View Full Code Here
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        ColumnFamily data = null;
        ByteBuffer digest = null;

        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse response = message.payload;

            ByteBuffer newDigest;
            if (response.isDigestQuery())
            {
                newDigest = response.digest();
            }
            else
            {
                // note that this allows for multiple data replies, post-CASSANDRA-5932
                data = response.row().cf;
                newDigest = ColumnFamily.digest(data);
            }

            if (digest == null)
                digest = newDigest;
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            try
            {
                byte[] body = response.getMessageBody();
                ByteArrayInputStream bufIn = new ByteArrayInputStream(body);
                ReadResponse result = ReadResponse.serializer().deserialize(new DataInputStream(bufIn));
                byte[] digest = result.digest();

                if (!Arrays.equals(ColumnFamily.digest(row_.cf), digest))
                {
                    IResponseResolver<Row> readResponseResolver = new ReadResponseResolver(table_);
                    IAsyncCallback responseHandler;
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        public DataRepairHandler(Row localRow, int responseCount, IResponseResolver<Row> readResponseResolver) throws IOException
        {
            this(responseCount, readResponseResolver);
            // wrap localRow in a response Message so it doesn't need to be special-cased in the resolver
            ReadResponse readResponse = new ReadResponse(localRow);
            DataOutputBuffer out = new DataOutputBuffer();
            ReadResponse.serializer().serialize(readResponse, out);
            byte[] bytes = new byte[out.getLength()];
            System.arraycopy(out.getData(), 0, bytes, 0, bytes.length);
            responses_.add(new Message(FBUtilities.getLocalAddress(), StorageService.Verb.READ_RESPONSE, bytes));
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Related Classes of org.apache.cassandra.db.ReadResponse

  • org.apache.cassandra.net.Message
  • org.apache.cassandra.service.AbstractRowResolver
  • org.apache.cassandra.service.ConsistencyChecker$DataRepairHandler
  • org.apache.cassandra.service.ConsistencyChecker$DigestResponseHandler
  • org.apache.cassandra.service.ConsistencyManager$DigestResponseHandler
  • org.apache.cassandra.service.ReadResponseResolver
  • org.apache.cassandra.service.RowDigestResolver
  • org.apache.cassandra.service.StorageProxy
  • org.apache.cassandra.test.DataImporter
  • java.io.DataOutputStream
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