Examples of org.apache.kafka.common.Cluster

org.apache.kafka.common.Cluster
A representation of a subset of the nodes, topics, and partitions in the Kafka cluster.

     * Run a single iteration of sending
     * 
     * @param now The current POSIX time in milliseconds
     */
    public void run(long now) {
        Cluster cluster = metadata.fetch();
        // get the list of partitions with data ready to send
        RecordAccumulator.ReadyCheckResult result = this.accumulator.ready(cluster, now);


        // if there are any partitions whose leaders are not known yet, force metadata update
        if (result.unknownLeadersExist)

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            } else {
                errors.put(topic, Errors.forCode(topicError));
            }
        }
        this.errors = errors;
        this.cluster = new Cluster(brokers.values(), partitions);
    }

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    }


    private void handleMetadataResponse(RequestHeader header, Struct body, long now) {
        this.metadataFetchInProgress = false;
        MetadataResponse response = new MetadataResponse(body);
        Cluster cluster = response.cluster();
        // don't update the cluster if there are no valid nodes...the topic we want may still be in the process of being
        // created which means we will get errors and no nodes until it exists
        if (cluster.nodes().size() > 0)
            this.metadata.update(cluster, now);
        else
            log.trace("Ignoring empty metadata response with correlation id {}.", header.correlationId());
    }

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        for (int i = 0; i < nodes; i++)
            ns[i] = new Node(0, "localhost", 1969);
        List<PartitionInfo> parts = new ArrayList<PartitionInfo>();
        for (int i = 0; i < partitions; i++)
            parts.add(new PartitionInfo(topic, i, ns[i % ns.length], ns, ns));
        return new Cluster(asList(ns), parts);
    }

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        Node node = new Node(1, "host1", 1001);
        Node[] replicas = new Node[1];
        replicas[0] = node;
        Node[] isr = new Node[1];
        isr[0] = node;
        Cluster cluster = new Cluster(Arrays.asList(node), Arrays.asList(new PartitionInfo("topic1", 1, node, replicas, isr)));
        return new MetadataResponse(cluster);
    }

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Related Classes of org.apache.kafka.common.Cluster

org.apache.kafka.clients.NetworkClient

org.apache.kafka.clients.producer.internals.Sender

org.apache.kafka.common.requests.MetadataResponse

org.apache.kafka.common.requests.RequestResponseTest

org.apache.kafka.test.TestUtils

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