Package org.apache.cassandra.db

Examples of org.apache.cassandra.db.ReadCommand

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            catch (DigestMismatchException e)
            {
                if (logger.isDebugEnabled())
                    logger.debug("Digest mismatch:", e);

                ReadCommand readCommand = (ReadCommand) command;
                final RowRepairResolver repairResolver = new RowRepairResolver(readCommand.table, readCommand.key);
                IAsyncCallback repairHandler = new AsyncRepairCallback(repairResolver, endpoints.size());

                Message messageRepair = readCommand.makeReadMessage();
                for (InetAddress endpoint : endpoints)
                    MessagingService.instance().sendRR(messageRepair, endpoint, repairHandler);
            }
        }
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            catch (DigestMismatchException e)
            {
                if (logger.isDebugEnabled())
                    logger.debug("Digest mismatch:", e);

                ReadCommand readCommand = (ReadCommand) command;
                final RowRepairResolver repairResolver = new RowRepairResolver(readCommand.table, readCommand.key, readCommand.filter());
                IAsyncCallback repairHandler = new AsyncRepairCallback(repairResolver, endpoints.size());

                MessageOut<ReadCommand> message = ((ReadCommand) command).createMessage();
                for (InetAddress endpoint : endpoints)
                    MessagingService.instance().sendRR(message, endpoint, repairHandler);
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                if (logger.isDebugEnabled())
                    logger.debug("Digest mismatch:", e);
               
                ReadRepairMetrics.repairedBackground.mark();
               
                ReadCommand readCommand = (ReadCommand) command;
                final RowDataResolver repairResolver = new RowDataResolver(readCommand.table, readCommand.key, readCommand.filter());
                IAsyncCallback repairHandler = new AsyncRepairCallback(repairResolver, endpoints.size());

                MessageOut<ReadCommand> message = ((ReadCommand) command).createMessage();
                for (InetAddress endpoint : endpoints)
                    MessagingService.instance().sendRR(message, endpoint, repairHandler);
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                assert resolver instanceof RowDigestResolver;

                if (logger.isDebugEnabled())
                    logger.debug("Digest mismatch:", e);

                ReadCommand readCommand = (ReadCommand) command;
                final RowDataResolver repairResolver = new RowDataResolver(readCommand.table, readCommand.key, readCommand.filter());
                IAsyncCallback repairHandler = new AsyncRepairCallback(repairResolver, endpoints.size());

                MessageOut<ReadCommand> message = ((ReadCommand) command).createMessage();
                for (InetAddress endpoint : endpoints)
                    MessagingService.instance().sendRR(message, endpoint, repairHandler);
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        readCommand_ = readCommand;
    }

  public void run()
  {
        ReadCommand readCommandDigestOnly = constructReadMessage(true);
    try
    {
      Message message = readCommandDigestOnly.makeReadMessage();
            if (logger_.isDebugEnabled())
              logger_.debug("Reading consistency digest for " + readCommand_.key + " from " + message.getMessageId() + "@[" + StringUtils.join(replicas_, ", ") + "]");
            MessagingService.instance.sendRR(message, replicas_.toArray(new InetAddress[replicas_.size()]), new DigestResponseHandler());
    }
    catch (IOException ex)
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    }
  }
   
    private ReadCommand constructReadMessage(boolean isDigestQuery)
    {
        ReadCommand readCommand = readCommand_.copy();
        readCommand.setDigestQuery(isDigestQuery);
        return readCommand;
    }
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        private void doReadRepair() throws IOException
    {
            replicas_.add(FBUtilities.getLocalAddress());
            IResponseResolver<Row> readResponseResolver = new ReadResponseResolver(table_, replicas_.size());
            IAsyncCallback responseHandler = new DataRepairHandler(replicas_.size(), readResponseResolver);
            ReadCommand readCommand = constructReadMessage(false);
            Message message = readCommand.makeReadMessage();
            if (logger_.isDebugEnabled())
              logger_.debug("Performing read repair for " + readCommand_.key + " to " + message.getMessageId() + "@[" + StringUtils.join(replicas_, ", ") + "]");
            MessagingService.instance.sendRR(message, replicas_.toArray(new InetAddress[replicas_.size()]), responseHandler);
    }
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            catch (DigestMismatchException e)
            {
                if (logger.isDebugEnabled())
                    logger.debug("Digest mismatch:", e);

                ReadCommand readCommand = (ReadCommand) command;
                final RowRepairResolver repairResolver = new RowRepairResolver(readCommand.table, readCommand.key);
                IAsyncCallback repairHandler = new AsyncRepairCallback(repairResolver, endpoints.size());

                Message messageRepair = readCommand.makeReadMessage();
                for (InetAddress endpoint : endpoints)
                    MessagingService.instance().sendRR(messageRepair, endpoint, repairHandler);
            }
        }
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        readCommand_ = readCommand;
    }

  public void run()
  {
        ReadCommand readCommandDigestOnly = constructReadMessage(true);
    try
    {
      Message message = readCommandDigestOnly.makeReadMessage();
            if (logger_.isDebugEnabled())
              logger_.debug("Reading consistency digest for " + readCommand_.key + " from " + message.getMessageId() + "@[" + StringUtils.join(replicas_, ", ") + "]");
            MessagingService.instance().sendRR(message, replicas_.toArray(new InetAddress[replicas_.size()]), new DigestResponseHandler());
    }
    catch (IOException ex)
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    }
  }
   
    private ReadCommand constructReadMessage(boolean isDigestQuery)
    {
        ReadCommand readCommand = readCommand_.copy();
        readCommand.setDigestQuery(isDigestQuery);
        return readCommand;
    }
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