Package org.apache.cassandra.thrift

Examples of org.apache.cassandra.thrift.UnavailableException$UnavailableExceptionTupleScheme

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        {
            logger.info("Cannot perform truncate, some hosts are down");
            // Since the truncate operation is so aggressive and is typically only
            // invoked by an admin, for simplicity we require that all nodes are up
            // to perform the operation.
            throw new UnavailableException();
        }

        Set<InetAddress> allEndpoints = Gossiper.instance.getLiveMembers();
        int blockFor = allEndpoints.size();
        final TruncateResponseHandler responseHandler = new TruncateResponseHandler(blockFor);
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    private static InetAddress findSuitableEndpoint(String table, ByteBuffer key) throws UnavailableException
    {
        List<InetAddress> endpoints = StorageService.instance.getLiveNaturalEndpoints(table, key);
        DatabaseDescriptor.getEndpointSnitch().sortByProximity(FBUtilities.getLocalAddress(), endpoints);
        if (endpoints.isEmpty())
            throw new UnavailableException();
        return endpoints.get(0);
    }
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     */
    public static List<Row> read(List<ReadCommand> commands, ConsistencyLevel consistency_level)
            throws IOException, UnavailableException, TimeoutException, InvalidRequestException
    {
        if (StorageService.instance.isBootstrapMode())
            throw new UnavailableException();
        long startTime = System.nanoTime();
        List<Row> rows;
        try
        {
            rows = fetchRows(commands, consistency_level);
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        {
            logger.info("Cannot perform truncate, some hosts are down");
            // Since the truncate operation is so aggressive and is typically only
            // invoked by an admin, for simplicity we require that all nodes are up
            // to perform the operation.
            throw new UnavailableException();
        }

        Set<InetAddress> allEndpoints = Gossiper.instance.getLiveMembers();
        int blockFor = allEndpoints.size();
        final TruncateResponseHandler responseHandler = new TruncateResponseHandler(blockFor);
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                liveNodes++;
        }

        if (liveNodes < responses.get())
        {
            throw new UnavailableException();
        }
    }
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            if (localdc.equals(snitch.getDatacenter(endpoint)))
                localEndpoints++;
        }
       
        if(localEndpoints < blockfor)
            throw new UnavailableException();
    }
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        // Throw exception if any of the DC doesn't have livenodes to accept write.
        for (String dc: strategy.getDatacenters())
        {
          if (dcEndpoints.get(dc).get() != responses.get(dc).get())
                throw new UnavailableException();
        }
    }
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    {
        if (consistencyLevel == ConsistencyLevel.ANY)
        {
            // ensure there are blockFor distinct living nodes (hints are ok).
            if (hintedEndpoints.keySet().size() < responses.get())
                throw new UnavailableException();
            return;
        }

        // count destinations that are part of the desired target set
        int liveNodes = 0;
        for (InetAddress destination : hintedEndpoints.keySet())
        {
            if (writeEndpoints.contains(destination))
                liveNodes++;
        }
        if (liveNodes < responses.get())
        {
            throw new UnavailableException();
        }
    }
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    }

    public void assureSufficientLiveNodes() throws UnavailableException
    {
        if (endpoints.size() < blockfor)
            throw new UnavailableException();
    }
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    {
        if (endpoints.size() < blockfor)
        {
            logger.debug("Live nodes {} do not satisfy ConsistencyLevel ({} required)",
                         StringUtils.join(endpoints, ", "), blockfor);
            throw new UnavailableException();
        }
    }
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Related Classes of org.apache.cassandra.thrift.UnavailableException$UnavailableExceptionTupleScheme

  • org.apache.cassandra.cql3.statements.TruncateStatement
  • org.apache.cassandra.service.DatacenterQuorumResponseHandler
  • org.apache.cassandra.service.DatacenterReadCallback
  • org.apache.cassandra.service.DatacenterSyncWriteResponseHandler
  • org.apache.cassandra.service.DatacenterWriteResponseHandler
  • org.apache.cassandra.service.QuorumResponseHandler
  • org.apache.cassandra.service.ReadCallback
  • org.apache.cassandra.service.StorageProxy
  • org.apache.cassandra.service.StorageService
  • org.apache.cassandra.service.WriteResponseHandler
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