Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ReadResponse

67
68
69
70
71
72
73
74
75
76
77
78
      {
        byte[] body = response.getMessageBody();           
              bufIn.reset(body, body.length);
              try
              {                
                  ReadResponse result = ReadResponse.serializer().deserialize(bufIn);
                  byte[] digest = result.digest();
                  if( !Arrays.equals(row_.digest(), digest) )
          {
                    doReadRepair();
                    break;
          }
View Full Code Here
37
38
39
40
41
42
43
44
45
46
47
     */
    public Row getData()
    {
        for (MessageIn<ReadResponse> message : replies)
        {
            ReadResponse result = message.payload;
            if (!result.isDigestQuery())
                return result.row();
        }
        return null;
    }
View Full Code Here
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
        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;
View Full Code Here
39
40
41
42
43
44
45
46
47
48
49
50
     */
    public Row getData() throws IOException
    {
        for (Map.Entry<Message, ReadResponse> entry : replies.entrySet())
        {
            ReadResponse result = entry.getValue();
            if (!result.isDigestQuery())
                return result.row();
        }

        throw new AssertionError("getData should not be invoked when no data is present");
    }
View Full Code Here
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
        // also extract the data reply, if any.
        ColumnFamily data = null;
        ByteBuffer digest = null;
        for (Map.Entry<Message, ReadResponse> entry : replies.entrySet())
        {
            ReadResponse response = entry.getValue();
            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.
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
    {
        byte[] body = message.getMessageBody();
        FastByteArrayInputStream bufIn = new FastByteArrayInputStream(body);
        try
        {
            ReadResponse result = ReadResponse.serializer().deserialize(new DataInputStream(bufIn), message.getVersion());
            if (logger.isDebugEnabled())
                logger.debug("Preprocessed {} response", result.isDigestQuery() ? "digest" : "data");
            replies.put(message, result);
        }
        catch (IOException e)
        {
            throw new IOError(e);
View Full Code Here
67
68
69
70
71
72
73
74
75
76
77
78
      {
        byte[] body = response.getMessageBody();           
              bufIn.reset(body, body.length);
              try
              {                
                  ReadResponse result = ReadResponse.serializer().deserialize(bufIn);
                  byte[] digest = result.digest();
                  if( !Arrays.equals(row_.digest(), digest) )
          {
                    doReadRepair();
                    break;
          }
View Full Code Here
121
122
123
124
125
126
127
128
129
130
131
132
            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(dataDigest, digest))
                {
                    ReadCommand readCommand = constructReadMessage(false);
                    DataRepairHandler handler = new DataRepairHandler();
View Full Code Here
160
161
162
163
164
165
166
167
168
169
        public DataRepairHandler() throws IOException
        {
            readResponseResolver_ = new ReadResponseResolver(readCommand_.table, readCommand_.key, replicas_.size());
            majority_ = (replicas_.size() / 2) + 1;
            // wrap original data Row in a response Message so it doesn't need to be special-cased in the resolver
            ReadResponse readResponse = new ReadResponse(row_);
            Message fakeMessage = new Message(dataSource, StageManager.RESPONSE_STAGE, StorageService.Verb.READ_RESPONSE, ArrayUtils.EMPTY_BYTE_ARRAY);
            responses_.add(fakeMessage);
            readResponseResolver_.injectPreProcessed(fakeMessage, readResponse);
        }
View Full Code Here
59
60
61
62
63
64
65
66
67
68
69
70
71
    {
        byte[] body = message.getMessageBody();
        ByteArrayInputStream bufIn = new ByteArrayInputStream(body);
        try
        {
            ReadResponse result = ReadResponse.serializer().deserialize(new DataInputStream(bufIn), message.getVersion());
            if (logger.isDebugEnabled())
                logger.debug("Preprocessed {} response", result.isDigestQuery() ? "digest" : "data");
            replies.put(message, result);
        }
        catch (IOException e)
        {
            throw new IOError(e);
View Full Code Here
TOP

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
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.