Package org.apache.cassandra.net

Examples of org.apache.cassandra.net.IAsyncResult

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            eps[i] = endPoints.get(key);
            msgs[i] = messages.get(key);
            ++i;
        }
       
        IAsyncResult iar = MessagingService.getMessagingInstance().sendRR(msgs, eps);
        return iar;
    }
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        /* Find all the suitable endpoints for the keys */
        Map<String, EndPoint> endPoints = StorageService.instance().findSuitableEndPoints(keys.toArray( new String[0] ));
        /* Construct the messages to be sent out */
        Map<String, Message> messages = constructMessages(readMessages);
        /* Dispatch the messages to the respective endpoints */
        IAsyncResult iar = dispatchMessages(endPoints, messages);       
        List<Object[]> results = iar.multiget(2*DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
       
        for ( Object[] result : results )
        {
            byte[] body = (byte[])result[0];
            DataInputBuffer bufIn = new DataInputBuffer();
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        EndPoint endPoint = StorageService.instance().findSuitableEndPoint(command.key);
        assert endPoint != null;
        logger_.debug("weakreadremote reading " + command + " from " + endPoint);
        Message message = command.makeReadMessage();
        message.addHeader(ReadCommand.DO_REPAIR, ReadCommand.DO_REPAIR.getBytes());
        IAsyncResult iar = MessagingService.getMessagingInstance().sendRR(message, endPoint);
        byte[] body;
        try
        {
            Object[] result = iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
            body = (byte[])result[0];
        }
        catch (TimeoutException e)
        {
            throw new RuntimeException(e);
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        // notify the remote token
        Message msg = new Message(local, StorageService.Verb.REPLICATION_FINISHED, new byte[0]);
        IFailureDetector failureDetector = FailureDetector.instance;
        while (failureDetector.isAlive(remote))
        {
            IAsyncResult iar = MessagingService.instance().sendRR(msg, remote);
            try
            {
                iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
                return; // done
            }
            catch(TimeoutException e)
            {
                // try again
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                    {
                        logger.error("Can't send migration request: node {} is down.", endpoint);
                        return;
                    }

                    IAsyncResult iar = MessagingService.instance().sendRR(message, endpoint);

                    try
                    {
                        byte[] reply = iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);

                        DefsTable.mergeRemoteSchema(reply, message.getVersion());
                        return;
                    }
                    catch(TimeoutException e)
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        IFailureDetector failureDetector = FailureDetector.instance;
        if (logger_.isDebugEnabled())
            logger_.debug("Notifying " + remote.toString() + " of replication completion\n");
        while (failureDetector.isAlive(remote))
        {
            IAsyncResult iar = MessagingService.instance().sendRR(msg, remote);
            try
            {
                iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
                return; // done
            }
            catch(TimeoutException e)
            {
                // try again
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        do
        {
            Message message = command.getMessage();
            if (logger.isDebugEnabled())
                logger.debug("reading " + command + " from " + message.getMessageId() + "@" + endPoint);
            IAsyncResult iar = MessagingService.instance().sendRR(message, endPoint);

            // read response
            byte[] responseBody;
            try
            {
                responseBody = iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
            }
            catch (TimeoutException e)
            {
                throw new TimedOutException();
            }
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        }
        if (remoteResults != null)
        {
            for (Map.Entry<ReadCommand, IAsyncResult> entry : remoteResults.entrySet())
            {
                IAsyncResult iar = entry.getValue();
                byte[] body;
                body = iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
                ByteArrayInputStream bufIn = new ByteArrayInputStream(body);
                ReadResponse response = ReadResponse.serializer().deserialize(new DataInputStream(bufIn));
                assert response.row() != null;
                rows.add(response.row());
                StorageService.instance.doConsistencyCheck(response.row(), entry.getKey(), iar.getFrom());
            }
        }

        return rows;
    }
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        IFailureDetector failureDetector = FailureDetector.instance;
        if (logger_.isDebugEnabled())
            logger_.debug("Notifying " + remote.toString() + " of replication completion\n");
        while (failureDetector.isAlive(remote))
        {
            IAsyncResult iar = MessagingService.instance().sendRR(msg, remote);
            try
            {
                iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
                return; // done
            }
            catch(TimeoutException e)
            {
                // try again
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        IFailureDetector failureDetector = FailureDetector.instance;
        if (logger.isDebugEnabled())
            logger.debug("Notifying " + remote.toString() + " of replication completion\n");
        while (failureDetector.isAlive(remote))
        {
            IAsyncResult iar = MessagingService.instance().sendRR(msg, remote);
            try
            {
                iar.get(DatabaseDescriptor.getRpcTimeout(), TimeUnit.MILLISECONDS);
                return; // done
            }
            catch(TimeoutException e)
            {
                // try again
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Related Classes of org.apache.cassandra.net.IAsyncResult

  • org.apache.cassandra.service.MigrationManager
  • org.apache.cassandra.service.MigrationManager$MigrationTask
  • org.apache.cassandra.service.StorageProxy
  • org.apache.cassandra.service.StorageService
  • org.apache.cassandra.test.DataImporter
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