Examples with MutableNetwork org.apache.beam.vendor.guava.v26_0_jre.com.google.common.graph.MutableNetwork used on opensource projects

Example 1 with MutableNetwork

use of org.apache.beam.vendor.guava.v26_0_jre.com.google.common.graph.MutableNetwork in project beam by apache.

the class CreateRegisterFnOperationFunctionTest method testAllSdkGraph.

@Test
public void testAllSdkGraph() {
    Node sdkPortionNode = TestNode.create("SdkPortion");
    @SuppressWarnings({ "unchecked", "rawtypes" }) ArgumentCaptor<MutableNetwork<Node, Edge>> networkCapture = ArgumentCaptor.forClass((Class) MutableNetwork.class);
    when(registerFnOperationFunction.apply(networkCapture.capture())).thenReturn(sdkPortionNode);
    // Read -out-> ParDo
    Node readNode = createReadNode("Read", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge readNodeEdge = DefaultEdge.create();
    Node readNodeOut = createInstructionOutputNode("Read.out");
    Edge readNodeOutEdge = DefaultEdge.create();
    Node parDoNode = createParDoNode("ParDo", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge parDoNodeEdge = DefaultEdge.create();
    Node parDoNodeOut = createInstructionOutputNode("ParDo.out");
    MutableNetwork<Node, Edge> network = createEmptyNetwork();
    network.addNode(readNode);
    network.addNode(readNodeOut);
    network.addNode(parDoNode);
    network.addNode(parDoNodeOut);
    network.addEdge(readNode, readNodeOut, readNodeEdge);
    network.addEdge(readNodeOut, parDoNode, readNodeOutEdge);
    network.addEdge(parDoNode, parDoNodeOut, parDoNodeEdge);
    MutableNetwork<Node, Edge> expectedNetwork = createEmptyNetwork();
    expectedNetwork.addNode(sdkPortionNode);
    MutableNetwork<Node, Edge> appliedNetwork = createRegisterFnOperation.apply(Graphs.copyOf(network));
    assertNetworkMaintainsBipartiteStructure(appliedNetwork);
    assertNetworkMaintainsBipartiteStructure(networkCapture.getValue());
    assertEquals(String.format("Expected network %s but got network %s", expectedNetwork, appliedNetwork), expectedNetwork, appliedNetwork);
    assertEquals(String.format("Expected network %s but got network %s", network, networkCapture.getValue()), network, networkCapture.getValue());
}

Example 2 with MutableNetwork

use of org.apache.beam.vendor.guava.v26_0_jre.com.google.common.graph.MutableNetwork in project beam by apache.

the class StreamingDataflowWorker method process.

private void process(final SdkWorkerHarness worker, final ComputationState computationState, final Instant inputDataWatermark, @Nullable final Instant outputDataWatermark, @Nullable final Instant synchronizedProcessingTime, final Work work) {
    final Windmill.WorkItem workItem = work.getWorkItem();
    final String computationId = computationState.getComputationId();
    final ByteString key = workItem.getKey();
    work.setState(State.PROCESSING);
    {
        StringBuilder workIdBuilder = new StringBuilder(33);
        workIdBuilder.append(Long.toHexString(workItem.getShardingKey()));
        workIdBuilder.append('-');
        workIdBuilder.append(Long.toHexString(workItem.getWorkToken()));
        DataflowWorkerLoggingMDC.setWorkId(workIdBuilder.toString());
    }
    DataflowWorkerLoggingMDC.setStageName(computationId);
    LOG.debug("Starting processing for {}:\n{}", computationId, work);
    Windmill.WorkItemCommitRequest.Builder outputBuilder = initializeOutputBuilder(key, workItem);
    // Before any processing starts, call any pending OnCommit callbacks.  Nothing that requires
    // cleanup should be done before this, since we might exit early here.
    callFinalizeCallbacks(workItem);
    if (workItem.getSourceState().getOnlyFinalize()) {
        outputBuilder.setSourceStateUpdates(Windmill.SourceState.newBuilder().setOnlyFinalize(true));
        work.setState(State.COMMIT_QUEUED);
        commitQueue.put(new Commit(outputBuilder.build(), computationState, work));
        return;
    }
    long processingStartTimeNanos = System.nanoTime();
    final MapTask mapTask = computationState.getMapTask();
    StageInfo stageInfo = stageInfoMap.computeIfAbsent(mapTask.getStageName(), s -> new StageInfo(s, mapTask.getSystemName(), this));
    ExecutionState executionState = null;
    try {
        executionState = computationState.getExecutionStateQueue(worker).poll();
        if (executionState == null) {
            MutableNetwork<Node, Edge> mapTaskNetwork = mapTaskToNetwork.apply(mapTask);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Network as Graphviz .dot: {}", Networks.toDot(mapTaskNetwork));
            }
            ParallelInstructionNode readNode = (ParallelInstructionNode) Iterables.find(mapTaskNetwork.nodes(), node -> node instanceof ParallelInstructionNode && ((ParallelInstructionNode) node).getParallelInstruction().getRead() != null);
            InstructionOutputNode readOutputNode = (InstructionOutputNode) Iterables.getOnlyElement(mapTaskNetwork.successors(readNode));
            DataflowExecutionContext.DataflowExecutionStateTracker executionStateTracker = new DataflowExecutionContext.DataflowExecutionStateTracker(ExecutionStateSampler.instance(), stageInfo.executionStateRegistry.getState(NameContext.forStage(mapTask.getStageName()), "other", null, ScopedProfiler.INSTANCE.emptyScope()), stageInfo.deltaCounters, options, computationId);
            StreamingModeExecutionContext context = new StreamingModeExecutionContext(pendingDeltaCounters, computationId, readerCache, !computationState.getTransformUserNameToStateFamily().isEmpty() ? computationState.getTransformUserNameToStateFamily() : stateNameMap, stateCache.forComputation(computationId), stageInfo.metricsContainerRegistry, executionStateTracker, stageInfo.executionStateRegistry, maxSinkBytes);
            DataflowMapTaskExecutor mapTaskExecutor = mapTaskExecutorFactory.create(worker.getControlClientHandler(), worker.getGrpcDataFnServer(), sdkHarnessRegistry.beamFnDataApiServiceDescriptor(), worker.getGrpcStateFnServer(), mapTaskNetwork, options, mapTask.getStageName(), readerRegistry, sinkRegistry, context, pendingDeltaCounters, idGenerator);
            ReadOperation readOperation = mapTaskExecutor.getReadOperation();
            // Disable progress updates since its results are unused  for streaming
            // and involves starting a thread.
            readOperation.setProgressUpdatePeriodMs(ReadOperation.DONT_UPDATE_PERIODICALLY);
            Preconditions.checkState(mapTaskExecutor.supportsRestart(), "Streaming runner requires all operations support restart.");
            Coder<?> readCoder;
            readCoder = CloudObjects.coderFromCloudObject(CloudObject.fromSpec(readOutputNode.getInstructionOutput().getCodec()));
            Coder<?> keyCoder = extractKeyCoder(readCoder);
            // If using a custom source, count bytes read for autoscaling.
            if (CustomSources.class.getName().equals(readNode.getParallelInstruction().getRead().getSource().getSpec().get("@type"))) {
                NameContext nameContext = NameContext.create(mapTask.getStageName(), readNode.getParallelInstruction().getOriginalName(), readNode.getParallelInstruction().getSystemName(), readNode.getParallelInstruction().getName());
                readOperation.receivers[0].addOutputCounter(new OutputObjectAndByteCounter(new IntrinsicMapTaskExecutorFactory.ElementByteSizeObservableCoder<>(readCoder), mapTaskExecutor.getOutputCounters(), nameContext).setSamplingPeriod(100).countBytes("dataflow_input_size-" + mapTask.getSystemName()));
            }
            executionState = new ExecutionState(mapTaskExecutor, context, keyCoder, executionStateTracker);
        }
        WindmillStateReader stateReader = new WindmillStateReader(metricTrackingWindmillServer, computationId, key, workItem.getShardingKey(), workItem.getWorkToken());
        StateFetcher localStateFetcher = stateFetcher.byteTrackingView();
        // If the read output KVs, then we can decode Windmill's byte key into a userland
        // key object and provide it to the execution context for use with per-key state.
        // Otherwise, we pass null.
        // 
        // The coder type that will be present is:
        // WindowedValueCoder(TimerOrElementCoder(KvCoder))
        @Nullable Coder<?> keyCoder = executionState.getKeyCoder();
        @Nullable Object executionKey = keyCoder == null ? null : keyCoder.decode(key.newInput(), Coder.Context.OUTER);
        if (workItem.hasHotKeyInfo()) {
            Windmill.HotKeyInfo hotKeyInfo = workItem.getHotKeyInfo();
            Duration hotKeyAge = Duration.millis(hotKeyInfo.getHotKeyAgeUsec() / 1000);
            // The MapTask instruction is ordered by dependencies, such that the first element is
            // always going to be the shuffle task.
            String stepName = computationState.getMapTask().getInstructions().get(0).getName();
            if (options.isHotKeyLoggingEnabled() && keyCoder != null) {
                hotKeyLogger.logHotKeyDetection(stepName, hotKeyAge, executionKey);
            } else {
                hotKeyLogger.logHotKeyDetection(stepName, hotKeyAge);
            }
        }
        executionState.getContext().start(executionKey, workItem, inputDataWatermark, outputDataWatermark, synchronizedProcessingTime, stateReader, localStateFetcher, outputBuilder);
        // Blocks while executing work.
        executionState.getWorkExecutor().execute();
        Iterables.addAll(this.pendingMonitoringInfos, executionState.getWorkExecutor().extractMetricUpdates());
        commitCallbacks.putAll(executionState.getContext().flushState());
        // Release the execution state for another thread to use.
        computationState.getExecutionStateQueue(worker).offer(executionState);
        executionState = null;
        // Add the output to the commit queue.
        work.setState(State.COMMIT_QUEUED);
        WorkItemCommitRequest commitRequest = outputBuilder.build();
        int byteLimit = maxWorkItemCommitBytes;
        int commitSize = commitRequest.getSerializedSize();
        int estimatedCommitSize = commitSize < 0 ? Integer.MAX_VALUE : commitSize;
        // Detect overflow of integer serialized size or if the byte limit was exceeded.
        windmillMaxObservedWorkItemCommitBytes.addValue(estimatedCommitSize);
        if (commitSize < 0 || commitSize > byteLimit) {
            KeyCommitTooLargeException e = KeyCommitTooLargeException.causedBy(computationId, byteLimit, commitRequest);
            reportFailure(computationId, workItem, e);
            LOG.error(e.toString());
            // Drop the current request in favor of a new, minimal one requesting truncation.
            // Messages, timers, counters, and other commit content will not be used by the service
            // so we're purposefully dropping them here
            commitRequest = buildWorkItemTruncationRequest(key, workItem, estimatedCommitSize);
        }
        commitQueue.put(new Commit(commitRequest, computationState, work));
        // Compute shuffle and state byte statistics these will be flushed asynchronously.
        long stateBytesWritten = outputBuilder.clearOutputMessages().build().getSerializedSize();
        long shuffleBytesRead = 0;
        for (Windmill.InputMessageBundle bundle : workItem.getMessageBundlesList()) {
            for (Windmill.Message message : bundle.getMessagesList()) {
                shuffleBytesRead += message.getSerializedSize();
            }
        }
        long stateBytesRead = stateReader.getBytesRead() + localStateFetcher.getBytesRead();
        windmillShuffleBytesRead.addValue(shuffleBytesRead);
        windmillStateBytesRead.addValue(stateBytesRead);
        windmillStateBytesWritten.addValue(stateBytesWritten);
        LOG.debug("Processing done for work token: {}", workItem.getWorkToken());
    } catch (Throwable t) {
        if (executionState != null) {
            try {
                executionState.getContext().invalidateCache();
                executionState.getWorkExecutor().close();
            } catch (Exception e) {
                LOG.warn("Failed to close map task executor: ", e);
            } finally {
                // Release references to potentially large objects early.
                executionState = null;
            }
        }
        t = t instanceof UserCodeException ? t.getCause() : t;
        boolean retryLocally = false;
        if (KeyTokenInvalidException.isKeyTokenInvalidException(t)) {
            LOG.debug("Execution of work for computation '{}' on key '{}' failed due to token expiration. " + "Work will not be retried locally.", computationId, key.toStringUtf8());
        } else {
            LastExceptionDataProvider.reportException(t);
            LOG.debug("Failed work: {}", work);
            Duration elapsedTimeSinceStart = new Duration(Instant.now(), work.getStartTime());
            if (!reportFailure(computationId, workItem, t)) {
                LOG.error("Execution of work for computation '{}' on key '{}' failed with uncaught exception, " + "and Windmill indicated not to retry locally.", computationId, key.toStringUtf8(), t);
            } else if (isOutOfMemoryError(t)) {
                File heapDump = memoryMonitor.tryToDumpHeap();
                LOG.error("Execution of work for computation '{}' for key '{}' failed with out-of-memory. " + "Work will not be retried locally. Heap dump {}.", computationId, key.toStringUtf8(), heapDump == null ? "not written" : ("written to '" + heapDump + "'"), t);
            } else if (elapsedTimeSinceStart.isLongerThan(MAX_LOCAL_PROCESSING_RETRY_DURATION)) {
                LOG.error("Execution of work for computation '{}' for key '{}' failed with uncaught exception, " + "and it will not be retried locally because the elapsed time since start {} " + "exceeds {}.", computationId, key.toStringUtf8(), elapsedTimeSinceStart, MAX_LOCAL_PROCESSING_RETRY_DURATION, t);
            } else {
                LOG.error("Execution of work for computation '{}' on key '{}' failed with uncaught exception. " + "Work will be retried locally.", computationId, key.toStringUtf8(), t);
                retryLocally = true;
            }
        }
        if (retryLocally) {
            // Try again after some delay and at the end of the queue to avoid a tight loop.
            sleep(retryLocallyDelayMs);
            workUnitExecutor.forceExecute(work, work.getWorkItem().getSerializedSize());
        } else {
            // Consider the item invalid. It will eventually be retried by Windmill if it still needs to
            // be processed.
            computationState.completeWork(ShardedKey.create(key, workItem.getShardingKey()), workItem.getWorkToken());
        }
    } finally {
        // Update total processing time counters. Updating in finally clause ensures that
        // work items causing exceptions are also accounted in time spent.
        long processingTimeMsecs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - processingStartTimeNanos);
        stageInfo.totalProcessingMsecs.addValue(processingTimeMsecs);
        // either here or in DFE.
        if (work.getWorkItem().hasTimers()) {
            stageInfo.timerProcessingMsecs.addValue(processingTimeMsecs);
        }
        DataflowWorkerLoggingMDC.setWorkId(null);
        DataflowWorkerLoggingMDC.setStageName(null);
    }
}

Example 3 with MutableNetwork

use of org.apache.beam.vendor.guava.v26_0_jre.com.google.common.graph.MutableNetwork in project beam by apache.

the class CreateRegisterFnOperationFunctionTest method testRunnerAndSdkToRunnerAndSdkGraph.

@Test
public void testRunnerAndSdkToRunnerAndSdkGraph() {
    // RunnerSource --\   /--> RunnerParDo
    // out
    // CustomSource --/   \--> SdkParDo
    // 
    // Should produce:
    // PortB --> out --\
    // RunnerSource --> out --> RunnerParDo
    // \--> PortA
    // PortA --> out --\
    // CustomSource --> out --> SdkParDo
    // \--> PortB
    Node firstSdkPortion = TestNode.create("FirstSdkPortion");
    Node secondSdkPortion = TestNode.create("SecondSdkPortion");
    @SuppressWarnings({ "unchecked", "rawtypes" }) ArgumentCaptor<MutableNetwork<Node, Edge>> networkCapture = ArgumentCaptor.forClass((Class) MutableNetwork.class);
    when(registerFnOperationFunction.apply(networkCapture.capture())).thenReturn(firstSdkPortion, secondSdkPortion);
    Node firstPort = TestNode.create("FirstPort");
    Node secondPort = TestNode.create("SecondPort");
    when(portSupplier.get()).thenReturn(firstPort, secondPort);
    Node runnerReadNode = createReadNode("RunnerRead", Nodes.ExecutionLocation.RUNNER_HARNESS);
    Edge runnerReadNodeEdge = DefaultEdge.create();
    Node sdkReadNode = createReadNode("SdkRead", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge sdkReadNodeEdge = DefaultEdge.create();
    Node readNodeOut = createInstructionOutputNode("Read.out");
    Edge readNodeOutToRunnerEdge = DefaultEdge.create();
    Edge readNodeOutToSdkEdge = DefaultEdge.create();
    Node runnerParDoNode = createParDoNode("RunnerParDo", Nodes.ExecutionLocation.RUNNER_HARNESS);
    Edge runnerParDoNodeEdge = DefaultEdge.create();
    Node runnerParDoNodeOut = createInstructionOutputNode("RunnerParDo.out");
    Node sdkParDoNode = createParDoNode("SdkParDo", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge sdkParDoNodeEdge = DefaultEdge.create();
    Node sdkParDoNodeOut = createInstructionOutputNode("SdkParDo.out");
    // Read -out-> RunnerParDo -out-> SdkParDo
    MutableNetwork<Node, Edge> network = createEmptyNetwork();
    network.addNode(sdkReadNode);
    network.addNode(runnerReadNode);
    network.addNode(readNodeOut);
    network.addNode(runnerParDoNode);
    network.addNode(runnerParDoNodeOut);
    network.addNode(sdkParDoNodeOut);
    network.addNode(sdkParDoNodeOut);
    network.addEdge(sdkReadNode, readNodeOut, sdkReadNodeEdge);
    network.addEdge(runnerReadNode, readNodeOut, runnerReadNodeEdge);
    network.addEdge(readNodeOut, runnerParDoNode, readNodeOutToRunnerEdge);
    network.addEdge(readNodeOut, sdkParDoNode, readNodeOutToSdkEdge);
    network.addEdge(runnerParDoNode, runnerParDoNodeOut, runnerParDoNodeEdge);
    network.addEdge(sdkParDoNode, sdkParDoNodeOut, sdkParDoNodeEdge);
    MutableNetwork<Node, Edge> appliedNetwork = createRegisterFnOperation.apply(Graphs.copyOf(network));
    assertNetworkMaintainsBipartiteStructure(appliedNetwork);
    // Node wiring is indeterministic, must be detected from generated graph.
    Node sdkPortionA;
    Node sdkPortionB;
    if (appliedNetwork.inDegree(firstSdkPortion) == 0) {
        sdkPortionA = firstSdkPortion;
        sdkPortionB = secondSdkPortion;
    } else {
        sdkPortionA = secondSdkPortion;
        sdkPortionB = firstSdkPortion;
    }
    Node portA = Iterables.getOnlyElement(appliedNetwork.successors(sdkPortionA));
    Node portB = Iterables.getOnlyElement(appliedNetwork.predecessors(sdkPortionB));
    // On each rewire between runner and SDK, we use a new output node
    Node newOutA = Iterables.getOnlyElement(appliedNetwork.successors(portA));
    Node newOutB = Iterables.getOnlyElement(appliedNetwork.predecessors(portB));
    // sdkPortionA -> portA -newOutA-> runnerParDoNode -> runnerParDoNodeOut
    // runnerReadNode -newOutB-/
    // \--> portB -> sdkPortionB
    assertThat(appliedNetwork.nodes(), containsInAnyOrder(runnerReadNode, firstSdkPortion, secondSdkPortion, portA, newOutA, portB, newOutB, runnerParDoNode, runnerParDoNodeOut));
    assertThat(appliedNetwork.successors(runnerReadNode), containsInAnyOrder(newOutB));
    assertThat(appliedNetwork.successors(newOutB), containsInAnyOrder(runnerParDoNode, portB));
    assertThat(appliedNetwork.successors(portB), containsInAnyOrder(sdkPortionB));
    assertThat(appliedNetwork.successors(sdkPortionA), containsInAnyOrder(portA));
    assertThat(appliedNetwork.successors(portA), containsInAnyOrder(newOutA));
    assertThat(appliedNetwork.successors(newOutA), containsInAnyOrder(runnerParDoNode));
    assertThat(appliedNetwork.successors(runnerParDoNode), containsInAnyOrder(runnerParDoNodeOut));
    assertThat(appliedNetwork.edgesConnecting(sdkPortionA, portA), everyItem(Matchers.<Edges.Edge>instanceOf(HappensBeforeEdge.class)));
    assertThat(appliedNetwork.edgesConnecting(portB, sdkPortionB), everyItem(Matchers.<Edges.Edge>instanceOf(HappensBeforeEdge.class)));
    // Argument captor call order can be indeterministic
    List<MutableNetwork<Node, Edge>> sdkSubnetworks = networkCapture.getAllValues();
    MutableNetwork<Node, Edge> sdkSubnetworkA;
    MutableNetwork<Node, Edge> sdkSubnetworkB;
    if (sdkSubnetworks.get(0).nodes().contains(sdkReadNode)) {
        sdkSubnetworkA = sdkSubnetworks.get(0);
        sdkSubnetworkB = sdkSubnetworks.get(1);
    } else {
        sdkSubnetworkA = sdkSubnetworks.get(1);
        sdkSubnetworkB = sdkSubnetworks.get(0);
    }
    assertNetworkMaintainsBipartiteStructure(sdkSubnetworkA);
    assertNetworkMaintainsBipartiteStructure(sdkSubnetworkB);
    // /-> portA
    // sdkReadNode -sdkNewOutA-> sdkParDoNode -> sdkParDoNodeOut
    Node sdkNewOutA = Iterables.getOnlyElement(sdkSubnetworkA.predecessors(portA));
    assertThat(sdkSubnetworkA.nodes(), containsInAnyOrder(sdkReadNode, portA, sdkNewOutA, sdkParDoNode, sdkParDoNodeOut));
    assertThat(sdkSubnetworkA.successors(sdkReadNode), containsInAnyOrder(sdkNewOutA));
    assertThat(sdkSubnetworkA.successors(sdkNewOutA), containsInAnyOrder(portA, sdkParDoNode));
    assertThat(sdkSubnetworkA.successors(sdkParDoNode), containsInAnyOrder(sdkParDoNodeOut));
    // portB -sdkNewOutB-> sdkParDoNode -> sdkParDoNodeOut
    Node sdkNewOutB = Iterables.getOnlyElement(sdkSubnetworkB.successors(portB));
    assertThat(sdkSubnetworkB.nodes(), containsInAnyOrder(portB, sdkNewOutB, sdkParDoNode, sdkParDoNodeOut));
    assertThat(sdkSubnetworkB.successors(portB), containsInAnyOrder(sdkNewOutB));
    assertThat(sdkSubnetworkB.successors(sdkNewOutB), containsInAnyOrder(sdkParDoNode));
    assertThat(sdkSubnetworkB.successors(sdkParDoNode), containsInAnyOrder(sdkParDoNodeOut));
}

Example 4 with MutableNetwork

use of org.apache.beam.vendor.guava.v26_0_jre.com.google.common.graph.MutableNetwork in project beam by apache.

the class CreateRegisterFnOperationFunctionTest method testRunnerToSdkToRunnerGraph.

@Test
public void testRunnerToSdkToRunnerGraph() {
    Node sdkPortion = TestNode.create("SdkPortion");
    @SuppressWarnings({ "unchecked", "rawtypes" }) ArgumentCaptor<MutableNetwork<Node, Edge>> networkCapture = ArgumentCaptor.forClass((Class) MutableNetwork.class);
    when(registerFnOperationFunction.apply(networkCapture.capture())).thenReturn(sdkPortion);
    Node firstPort = TestNode.create("FirstPort");
    Node secondPort = TestNode.create("SecondPort");
    when(portSupplier.get()).thenReturn(firstPort, secondPort);
    Node readNode = createReadNode("Read", Nodes.ExecutionLocation.RUNNER_HARNESS);
    Edge readNodeEdge = DefaultEdge.create();
    Node readNodeOut = createInstructionOutputNode("Read.out");
    Edge readNodeOutEdge = DefaultEdge.create();
    Node sdkParDoNode = createParDoNode("SdkParDo", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge sdkParDoNodeEdge = DefaultEdge.create();
    Node sdkParDoNodeOut = createInstructionOutputNode("SdkParDo.out");
    Edge sdkParDoNodeOutEdge = DefaultEdge.create();
    Node runnerParDoNode = createParDoNode("RunnerParDo", Nodes.ExecutionLocation.RUNNER_HARNESS);
    Edge runnerParDoNodeEdge = DefaultEdge.create();
    Node runnerParDoNodeOut = createInstructionOutputNode("RunnerParDo.out");
    // Read -out-> SdkParDo -out-> RunnerParDo
    MutableNetwork<Node, Edge> network = createEmptyNetwork();
    network.addNode(readNode);
    network.addNode(readNodeOut);
    network.addNode(sdkParDoNodeOut);
    network.addNode(sdkParDoNodeOut);
    network.addNode(runnerParDoNode);
    network.addNode(runnerParDoNodeOut);
    network.addEdge(readNode, readNodeOut, readNodeEdge);
    network.addEdge(readNodeOut, sdkParDoNode, readNodeOutEdge);
    network.addEdge(sdkParDoNode, sdkParDoNodeOut, sdkParDoNodeEdge);
    network.addEdge(sdkParDoNodeOut, runnerParDoNode, sdkParDoNodeOutEdge);
    network.addEdge(runnerParDoNode, runnerParDoNodeOut, runnerParDoNodeEdge);
    MutableNetwork<Node, Edge> appliedNetwork = createRegisterFnOperation.apply(Graphs.copyOf(network));
    assertNetworkMaintainsBipartiteStructure(appliedNetwork);
    // On each rewire between runner and SDK and vice versa, we use a new output node
    Node newOutA = Iterables.getOnlyElement(appliedNetwork.predecessors(firstPort));
    Node newOutB = Iterables.getOnlyElement(appliedNetwork.successors(secondPort));
    // readNode -newOutA-> firstPort --> sdkPortion --> secondPort -newOutB-> runnerParDoNode
    assertThat(appliedNetwork.nodes(), containsInAnyOrder(readNode, newOutA, firstPort, sdkPortion, secondPort, newOutB, runnerParDoNode, runnerParDoNodeOut));
    assertThat(appliedNetwork.successors(readNode), containsInAnyOrder(newOutA));
    assertThat(appliedNetwork.successors(newOutA), containsInAnyOrder(firstPort));
    assertThat(appliedNetwork.successors(firstPort), containsInAnyOrder(sdkPortion));
    assertThat(appliedNetwork.successors(sdkPortion), containsInAnyOrder(secondPort));
    assertThat(appliedNetwork.successors(secondPort), containsInAnyOrder(newOutB));
    assertThat(appliedNetwork.successors(newOutB), containsInAnyOrder(runnerParDoNode));
    assertThat(appliedNetwork.successors(runnerParDoNode), containsInAnyOrder(runnerParDoNodeOut));
    assertThat(appliedNetwork.edgesConnecting(firstPort, sdkPortion), everyItem(Matchers.<Edges.Edge>instanceOf(HappensBeforeEdge.class)));
    assertThat(appliedNetwork.edgesConnecting(sdkPortion, secondPort), everyItem(Matchers.<Edges.Edge>instanceOf(HappensBeforeEdge.class)));
    MutableNetwork<Node, Edge> sdkSubnetwork = networkCapture.getValue();
    assertNetworkMaintainsBipartiteStructure(sdkSubnetwork);
    Node sdkNewOutA = Iterables.getOnlyElement(sdkSubnetwork.successors(firstPort));
    Node sdkNewOutB = Iterables.getOnlyElement(sdkSubnetwork.predecessors(secondPort));
    // firstPort -sdkNewOutA-> sdkParDoNode -sdkNewOutB-> secondPort
    assertThat(sdkSubnetwork.nodes(), containsInAnyOrder(firstPort, sdkNewOutA, sdkParDoNode, sdkNewOutB, secondPort));
    assertThat(sdkSubnetwork.successors(firstPort), containsInAnyOrder(sdkNewOutA));
    assertThat(sdkSubnetwork.successors(sdkNewOutA), containsInAnyOrder(sdkParDoNode));
    assertThat(sdkSubnetwork.successors(sdkParDoNode), containsInAnyOrder(sdkNewOutB));
    assertThat(sdkSubnetwork.successors(sdkNewOutB), containsInAnyOrder(secondPort));
}

Example 5 with MutableNetwork

use of org.apache.beam.vendor.guava.v26_0_jre.com.google.common.graph.MutableNetwork in project beam by apache.

the class CreateRegisterFnOperationFunctionTest method testSdkToRunnerToSdkGraph.

@Test
public void testSdkToRunnerToSdkGraph() {
    Node firstSdkPortion = TestNode.create("FirstSdkPortion");
    Node secondSdkPortion = TestNode.create("SecondSdkPortion");
    @SuppressWarnings({ "unchecked", "rawtypes" }) ArgumentCaptor<MutableNetwork<Node, Edge>> networkCapture = ArgumentCaptor.forClass((Class) MutableNetwork.class);
    when(registerFnOperationFunction.apply(networkCapture.capture())).thenReturn(firstSdkPortion, secondSdkPortion);
    Node firstPort = TestNode.create("FirstPort");
    Node secondPort = TestNode.create("SecondPort");
    when(portSupplier.get()).thenReturn(firstPort, secondPort);
    Node readNode = createReadNode("Read", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge readNodeEdge = DefaultEdge.create();
    Node readNodeOut = createInstructionOutputNode("Read.out");
    Edge readNodeOutEdge = DefaultEdge.create();
    Node runnerParDoNode = createParDoNode("RunnerParDo", Nodes.ExecutionLocation.RUNNER_HARNESS);
    Edge runnerParDoNodeEdge = DefaultEdge.create();
    Node runnerParDoNodeOut = createInstructionOutputNode("RunnerParDo.out");
    Edge runnerParDoNodeOutEdge = DefaultEdge.create();
    Node sdkParDoNode = createParDoNode("SdkParDo", Nodes.ExecutionLocation.SDK_HARNESS);
    Edge sdkParDoNodeEdge = DefaultEdge.create();
    Node sdkParDoNodeOut = createInstructionOutputNode("SdkParDo.out");
    // Read -out-> RunnerParDo -out-> SdkParDo
    MutableNetwork<Node, Edge> network = createEmptyNetwork();
    network.addNode(readNode);
    network.addNode(readNodeOut);
    network.addNode(runnerParDoNode);
    network.addNode(runnerParDoNodeOut);
    network.addNode(sdkParDoNodeOut);
    network.addNode(sdkParDoNodeOut);
    network.addEdge(readNode, readNodeOut, readNodeEdge);
    network.addEdge(readNodeOut, runnerParDoNode, readNodeOutEdge);
    network.addEdge(runnerParDoNode, runnerParDoNodeOut, runnerParDoNodeEdge);
    network.addEdge(runnerParDoNodeOut, sdkParDoNode, runnerParDoNodeOutEdge);
    network.addEdge(sdkParDoNode, sdkParDoNodeOut, sdkParDoNodeEdge);
    MutableNetwork<Node, Edge> appliedNetwork = createRegisterFnOperation.apply(Graphs.copyOf(network));
    assertNetworkMaintainsBipartiteStructure(appliedNetwork);
    // On each rewire between runner and SDK, we use a new output node
    Node newOutA = Iterables.getOnlyElement(appliedNetwork.successors(firstPort));
    Node newOutB = Iterables.getOnlyElement(appliedNetwork.predecessors(secondPort));
    // firstSdkPortion -> firstPort -newOutA-> RunnerParDo -newOutB-> secondPort -> secondSdkPortion
    assertThat(appliedNetwork.nodes(), containsInAnyOrder(firstSdkPortion, firstPort, newOutA, runnerParDoNode, newOutB, secondPort, secondSdkPortion));
    assertThat(appliedNetwork.successors(firstSdkPortion), containsInAnyOrder(firstPort));
    assertThat(appliedNetwork.successors(firstPort), containsInAnyOrder(newOutA));
    assertThat(appliedNetwork.successors(newOutA), containsInAnyOrder(runnerParDoNode));
    assertThat(appliedNetwork.successors(runnerParDoNode), containsInAnyOrder(newOutB));
    assertThat(appliedNetwork.successors(newOutB), containsInAnyOrder(secondPort));
    assertThat(appliedNetwork.successors(secondPort), containsInAnyOrder(secondSdkPortion));
    assertThat(appliedNetwork.edgesConnecting(firstSdkPortion, firstPort), everyItem(Matchers.<Edges.Edge>instanceOf(HappensBeforeEdge.class)));
    assertThat(appliedNetwork.edgesConnecting(secondPort, secondSdkPortion), everyItem(Matchers.<Edges.Edge>instanceOf(HappensBeforeEdge.class)));
    // The order of the calls to create the SDK subnetworks is indeterminate
    List<MutableNetwork<Node, Edge>> sdkSubnetworks = networkCapture.getAllValues();
    MutableNetwork<Node, Edge> firstSdkSubnetwork;
    MutableNetwork<Node, Edge> secondSdkSubnetwork;
    if (sdkSubnetworks.get(0).nodes().contains(readNode)) {
        firstSdkSubnetwork = sdkSubnetworks.get(0);
        secondSdkSubnetwork = sdkSubnetworks.get(1);
    } else {
        firstSdkSubnetwork = sdkSubnetworks.get(1);
        secondSdkSubnetwork = sdkSubnetworks.get(0);
    }
    assertNetworkMaintainsBipartiteStructure(firstSdkSubnetwork);
    assertNetworkMaintainsBipartiteStructure(secondSdkSubnetwork);
    Node sdkNewOutA = Iterables.getOnlyElement(firstSdkSubnetwork.predecessors(firstPort));
    // readNode -sdkNewOutA-> firstPort
    assertThat(firstSdkSubnetwork.nodes(), containsInAnyOrder(readNode, sdkNewOutA, firstPort));
    assertThat(firstSdkSubnetwork.successors(readNode), containsInAnyOrder(sdkNewOutA));
    assertThat(firstSdkSubnetwork.successors(sdkNewOutA), containsInAnyOrder(firstPort));
    Node sdkNewOutB = Iterables.getOnlyElement(secondSdkSubnetwork.successors(secondPort));
    // secondPort -sdkNewOutB-> sdkParDoNode -> sdkParDoNodeOut
    assertThat(secondSdkSubnetwork.nodes(), containsInAnyOrder(secondPort, sdkNewOutB, sdkParDoNode, sdkParDoNodeOut));
    assertThat(secondSdkSubnetwork.successors(secondPort), containsInAnyOrder(sdkNewOutB));
    assertThat(secondSdkSubnetwork.successors(sdkNewOutB), containsInAnyOrder(sdkParDoNode));
    assertThat(secondSdkSubnetwork.successors(sdkParDoNode), containsInAnyOrder(sdkParDoNodeOut));
}