Examples with ConveyorCollector com.hazelcast.jet.impl.execution.ConveyorCollector used on opensource projects

Example 6 with ConveyorCollector

use of com.hazelcast.jet.impl.execution.ConveyorCollector in project hazelcast-jet by hazelcast.

the class ExecutionPlan method initialize.

public void initialize(NodeEngine nodeEngine, long jobId, long executionId, SnapshotContext snapshotContext) {
    this.nodeEngine = nodeEngine;
    this.executionId = executionId;
    initProcSuppliers();
    initDag();
    this.ptionArrgmt = new PartitionArrangement(partitionOwners, nodeEngine.getThisAddress());
    JetInstance instance = getJetInstance(nodeEngine);
    for (VertexDef vertex : vertices) {
        Collection<? extends Processor> processors = createProcessors(vertex, vertex.localParallelism());
        // create StoreSnapshotTasklet and the queues to it
        QueuedPipe<Object>[] snapshotQueues = new QueuedPipe[vertex.localParallelism()];
        Arrays.setAll(snapshotQueues, i -> new OneToOneConcurrentArrayQueue<>(SNAPSHOT_QUEUE_SIZE));
        ConcurrentConveyor<Object> ssConveyor = ConcurrentConveyor.concurrentConveyor(null, snapshotQueues);
        StoreSnapshotTasklet ssTasklet = new StoreSnapshotTasklet(snapshotContext, jobId, new ConcurrentInboundEdgeStream(ssConveyor, 0, 0, lastSnapshotId, true, -1, "ssFrom:" + vertex.name()), nodeEngine, vertex.name(), vertex.isHigherPriorityUpstream());
        tasklets.add(ssTasklet);
        int localProcessorIdx = 0;
        for (Processor p : processors) {
            int globalProcessorIndex = vertex.getProcIdxOffset() + localProcessorIdx;
            String loggerName = createLoggerName(p.getClass().getName(), vertex.name(), globalProcessorIndex);
            ProcCtx context = new ProcCtx(instance, nodeEngine.getSerializationService(), nodeEngine.getLogger(loggerName), vertex.name(), globalProcessorIndex, jobConfig.getProcessingGuarantee(), vertex.localParallelism(), vertex.totalParallelism());
            String probePrefix = String.format("jet.job.%s.%s#%d", idToString(executionId), vertex.name(), localProcessorIdx);
            ((NodeEngineImpl) nodeEngine).getMetricsRegistry().scanAndRegister(p, probePrefix);
            // createOutboundEdgeStreams() populates localConveyorMap and edgeSenderConveyorMap.
            // Also populates instance fields: senderMap, receiverMap, tasklets.
            List<OutboundEdgeStream> outboundStreams = createOutboundEdgeStreams(vertex, localProcessorIdx);
            List<InboundEdgeStream> inboundStreams = createInboundEdgeStreams(vertex, localProcessorIdx);
            OutboundCollector snapshotCollector = new ConveyorCollector(ssConveyor, localProcessorIdx, null);
            ProcessorTasklet processorTasklet = new ProcessorTasklet(context, p, inboundStreams, outboundStreams, snapshotContext, snapshotCollector, jobConfig.getMaxWatermarkRetainMillis());
            tasklets.add(processorTasklet);
            this.processors.add(p);
            localProcessorIdx++;
        }
    }
    List<ReceiverTasklet> allReceivers = receiverMap.values().stream().flatMap(o -> o.values().stream()).flatMap(a -> a.values().stream()).collect(toList());
    tasklets.addAll(allReceivers);
}