Examples of org.apache.cassandra.gms.IFailureDetector

org.apache.cassandra.gms.IFailureDetector
An interface that provides an application with the ability to query liveness information of a node in the cluster. It also exposes methods which help an application register callbacks for notifications of liveness information of nodes.

        InetAddress myEndpoint = InetAddress.getByName("127.0.0.1");


        TokenMetadata tmd = ss.getTokenMetadata();
        assertEquals(numOldNodes, tmd.sortedTokens().size());
        RangeStreamer s = new RangeStreamer(tmd, myEndpoint, OperationType.BOOTSTRAP);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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            transferCount++;
        }


        /* Only 1 transfer from old node to new node */
        assertEquals(1, transferCount);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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        InetAddress myEndpoint = InetAddress.getByName("127.0.0.1");


        TokenMetadata tmd = ss.getTokenMetadata();
        assertEquals(numOldNodes, tmd.sortedTokens().size());
        RangeStreamer s = new RangeStreamer(tmd, myEndpoint, OperationType.BOOTSTRAP);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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            transferCount++;
        }


        /* Only 1 transfer from old node to new node */
        assertEquals(1, transferCount);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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            transferCount++;
        }


        /* Only 1 transfer from old node to new node */
        assertEquals(1, transferCount);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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        InetAddress myEndpoint = InetAddress.getByName("127.0.0.1");


        TokenMetadata tmd = ss.getTokenMetadata();
        assertEquals(numOldNodes, tmd.sortedTokens().size());
        RangeStreamer s = new RangeStreamer(tmd, myEndpoint, OperationType.BOOTSTRAP);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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    private Multimap<InetAddress, Range> getNewSourceRanges(String table, Set<Range> ranges) 
    {
        InetAddress myAddress = FBUtilities.getLocalAddress();
        Multimap<Range, InetAddress> rangeAddresses = Table.open(table).getReplicationStrategy().getRangeAddresses(tokenMetadata_);
        Multimap<InetAddress, Range> sourceRanges = HashMultimap.create();
        IFailureDetector failureDetector = FailureDetector.instance;


        // find alive sources for our new ranges
        for (Range range : ranges)
        {
            Collection<InetAddress> possibleRanges = rangeAddresses.get(range);
            IEndpointSnitch snitch = DatabaseDescriptor.getEndpointSnitch();
            List<InetAddress> sources = snitch.getSortedListByProximity(myAddress, possibleRanges);


            assert (!sources.contains(myAddress));


            for (InetAddress source : sources)
            {
                if (failureDetector.isAlive(source))
                {
                    sourceRanges.put(source, range);
                    break;
                }
            }

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     */
    private void sendReplicationNotification(InetAddress local, InetAddress remote)
    {
        // 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);

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                continue;


            // get all ranges that change ownership (that is, a node needs
            // to take responsibility for new range)
            Multimap<Range, InetAddress> changedRanges = getChangedRangesForLeaving(table, endpoint);
            IFailureDetector failureDetector = FailureDetector.instance;
            for (InetAddress ep : changedRanges.values())
            {
                if (failureDetector.isAlive(ep))
                    replicatingNodes.add(ep);
                else
                    logger_.warn("Endpoint " + ep + " is down and will not receive data for re-replication of " + endpoint);
            }
        }

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            assert e.getValue() != null && e.getValue().size() > 0 : StringUtils.join(e.getValue(), ", ");
            transferCount++;
        }


        assertEquals(replicationFactor, transferCount);
        IFailureDetector mockFailureDetector = new IFailureDetector()
        {
            public boolean isAlive(InetAddress ep)
            {
                return true;
            }

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