Examples of org.elasticsearch.cluster.node.DiscoveryNode

org.elasticsearch.cluster.node.DiscoveryNode
A discovery node represents a node that is part of the cluster. @author kimchy (shay.banon)

                return this;
            }
            ImmutableList.Builder<DiscoveryNode> builder = ImmutableList.builder();
            builder.addAll(listedNodes());
            for (TransportAddress transportAddress : filtered) {
                DiscoveryNode node = new DiscoveryNode("#transport#-" + tempNodeIdGenerator.incrementAndGet(), transportAddress, minCompatibilityVersion);
                logger.debug("adding address [{}]", node);
                builder.add(node);
            }
            listedNodes = builder.build();
            nodesSampler.sample();

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    public <Response> void execute(NodeListenerCallback<Response> callback, ActionListener<Response> listener) throws ElasticsearchException {
        ImmutableList<DiscoveryNode> nodes = this.nodes;
        ensureNodesAreAvailable(nodes);
        int index = getNodeNumber();
        RetryListener<Response> retryListener = new RetryListener<>(callback, listener, nodes, index);
        DiscoveryNode node = nodes.get((index) % nodes.size());
        try {
            callback.doWithNode(node, retryListener);
        } catch (Throwable t) {
            //this exception can't come from the TransportService as it doesn't throw exception at all
            listener.onFailure(t);

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         * validates a set of potentially newly discovered nodes and returns an immutable
         * list of the nodes that has passed.
         */
        protected ImmutableList<DiscoveryNode> validateNewNodes(Set<DiscoveryNode> nodes) {
            for (Iterator<DiscoveryNode> it = nodes.iterator(); it.hasNext(); ) {
                DiscoveryNode node = it.next();
                if (!transportService.nodeConnected(node)) {
                    try {
                        logger.trace("connecting to node [{}]", node);
                        transportService.connectToNode(node);
                    } catch (Throwable e) {

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                    if (!ignoreClusterName && !clusterName.equals(nodeInfo.getClusterName())) {
                        logger.warn("node {} not part of the cluster {}, ignoring...", listedNode, clusterName);
                        newFilteredNodes.add(listedNode);
                    } else if (nodeInfo.getNodes().length != 0) {
                        // use discovered information but do keep the original transport address, so people can control which address is exactly used.
                        DiscoveryNode nodeWithInfo = nodeInfo.getNodes()[0].getNode();
                        newNodes.add(new DiscoveryNode(nodeWithInfo.name(), nodeWithInfo.id(), nodeWithInfo.getHostName(), nodeWithInfo.getHostAddress(), listedNode.address(), nodeWithInfo.attributes(), nodeWithInfo.version()));
                    } else {
                        // although we asked for one node, our target may not have completed initialization yet and doesn't have cluster nodes
                        logger.debug("node {} didn't return any discovery info, temporarily using transport discovery node", listedNode);
                        newNodes.add(listedNode);
                    }

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            routingTableBuilder.addAsNew(cursor.value);
        }
        RoutingTable routingTable = routingTableBuilder.build();
        DiscoveryNodes.Builder nodes = DiscoveryNodes.builder();
        for (int i = 0; i < 4; i++) {
            DiscoveryNode node = newNode("node" + i);
            nodes.put(node);
        }


        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).nodes(nodes).metaData(metaData).routingTable(routingTable).build();
        routingTable = strategy.reroute(clusterState).routingTable();

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     * new nodes);
     */
    private void applyNewNodes(RoutingAllocation allocation) {
        final RoutingNodes routingNodes = allocation.routingNodes();
        for (ObjectCursor<DiscoveryNode> cursor : allocation.nodes().dataNodes().values()) {
            DiscoveryNode node = cursor.value;
            if (!routingNodes.isKnown(node)) {
                routingNodes.addNode(node);
            }
        }
    }

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        for (final String attribute : key.attributes) {
            final String localAttributeValue = nodes.localNode().attributes().get(attribute);
            if (localAttributeValue != null) {
                for (Iterator<ShardRouting> iterator = from.iterator(); iterator.hasNext(); ) {
                    ShardRouting fromShard = iterator.next();
                    final DiscoveryNode discoveryNode = nodes.get(fromShard.currentNodeId());
                    if (discoveryNode == null) {
                        iterator.remove(); // node is not present anymore - ignore shard
                    } else if (localAttributeValue.equals(discoveryNode.attributes().get(attribute))) {
                        iterator.remove();
                        to.add(fromShard);
                    }
                }
            }

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        this.updateTasksExecutor = EsExecutors.newSinglePrioritizing(daemonThreadFactory(settings, UPDATE_THREAD_NAME));
        this.reconnectToNodes = threadPool.schedule(reconnectInterval, ThreadPool.Names.GENERIC, new ReconnectToNodes());
        Map<String, String> nodeAttributes = discoveryNodeService.buildAttributes();
        // note, we rely on the fact that its a new id each time we start, see FD and "kill -9" handling
        final String nodeId = DiscoveryService.generateNodeId(settings);
        DiscoveryNode localNode = new DiscoveryNode(settings.get("name"), nodeId, transportService.boundAddress().publishAddress(), nodeAttributes, version);
        DiscoveryNodes.Builder nodeBuilder = DiscoveryNodes.builder().put(localNode).localNodeId(localNode.id());
        this.clusterState = ClusterState.builder(clusterState).nodes(nodeBuilder).blocks(initialBlocks).build();


    }

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                }
            }
            // go over and remove failed nodes that have been removed
            DiscoveryNodes nodes = clusterState.nodes();
            for (Iterator<DiscoveryNode> failedNodesIt = failureCount.keySet().iterator(); failedNodesIt.hasNext(); ) {
                DiscoveryNode failedNode = failedNodesIt.next();
                if (!nodes.nodeExists(failedNode.id())) {
                    failedNodesIt.remove();
                }
            }
            if (lifecycle.started()) {
                reconnectToNodes = threadPool.schedule(reconnectInterval, ThreadPool.Names.GENERIC, this);

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        for (int i = 0; i < size; i++) {
            ShardId shardId = ShardId.readShardId(in);
            int size2 = in.readVInt();
            List<NodeExplanation> ne = Lists.newArrayListWithCapacity(size2);
            for (int j = 0; j < size2; j++) {
                DiscoveryNode node = null;
                if (in.readBoolean()) {
                    node = DiscoveryNode.readNode(in);
                }
                ne.add(new NodeExplanation(node, in.readString()));
            }

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