Java Code Examples for com.datatorrent.stram.plan.logical.LogicalPlan#setAttribute()

@Test
public void testInputOperatorRecovery() throws Exception
{
  RecoverableInputOperator.initGenTuples();
  CollectorOperator.collection.clear();
  int maxTuples = 30;
  LogicalPlan dag = new LogicalPlan();
  String workingDir = new File("target/testInputOperatorRecovery").getAbsolutePath();
  AsyncFSStorageAgent asyncFSStorageAgent = new AsyncFSStorageAgent(workingDir, null);
  asyncFSStorageAgent.setSyncCheckpoint(true);
  dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, asyncFSStorageAgent);
  dag.getAttributes().put(LogicalPlan.CHECKPOINT_WINDOW_COUNT, 2);
  dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 300);
  dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 1);
  RecoverableInputOperator rip = dag.addOperator("LongGenerator", RecoverableInputOperator.class);
  rip.setMaximumTuples(maxTuples);
  rip.setSimulateFailure(true);

  CollectorOperator cm = dag.addOperator("LongCollector", CollectorOperator.class);
  dag.addStream("connection", rip.output, cm.input);

  StramLocalCluster lc = new StramLocalCluster(dag);
  lc.run();

  Assert.assertEquals("Generated Outputs", maxTuples, CollectorOperator.collection.size());
}
 

private void setTokenRefreshCredentials(LogicalPlan dag, Configuration conf) throws IOException
{
  String principal = conf.get(StramClientUtils.TOKEN_REFRESH_PRINCIPAL, StramUserLogin.getPrincipal());
  String keytabPath = conf.get(StramClientUtils.TOKEN_REFRESH_KEYTAB, conf.get(StramClientUtils.KEY_TAB_FILE));
  if (keytabPath == null) {
    String keytab = StramUserLogin.getKeytab();
    if (keytab != null) {
      Path localKeyTabPath = new Path(keytab);
      try (FileSystem fs = StramClientUtils.newFileSystemInstance(conf)) {
        Path destPath = new Path(StramClientUtils.getApexDFSRootDir(fs, conf), localKeyTabPath.getName());
        if (!fs.exists(destPath)) {
          fs.copyFromLocalFile(false, false, localKeyTabPath, destPath);
        }
        keytabPath = destPath.toString();
      }
    }
  }
  LOG.debug("User principal is {}, keytab is {}", principal, keytabPath);
  if ((principal != null) && (keytabPath != null)) {
    dag.setAttribute(LogicalPlan.PRINCIPAL, principal);
    dag.setAttribute(LogicalPlan.KEY_TAB_FILE, keytabPath);
  } else {
    LOG.warn("Credentials for refreshing tokens not available, application may not be able to run indefinitely");
  }
}
 

@Test
public void testContainerSizeWithPartitioning()
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());

  GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
  GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
  dag.setOperatorAttribute(o1, OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(3));
  dag.setOperatorAttribute(o2, OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(2));

  dag.addStream("o1.outport1", o1.outport1, o2.inport1);
  dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, 10);
  PhysicalPlan plan = new PhysicalPlan(dag, new TestPlanContext());
  Assert.assertEquals("number of containers", 5, plan.getContainers().size());
  PTContainer container;
  for (int i = 0; i < 5; i++) {
    container = plan.getContainers().get(i);
    if (container.getOperators().size() == 1) {
      Assert.assertEquals("container memory is 1536 for container :" + container, 1536, container.getRequiredMemoryMB());
    }
    if (container.getOperators().size() == 2) {
      Assert.assertEquals("container memory is 2048 for container :" + container, 2048, container.getRequiredMemoryMB());
    }
  }
}
 

@Test
public void testMxNPartitionForSlidingWindow()
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());

  GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
  GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
  GenericTestOperator o3 = dag.addOperator("o3", GenericTestOperator.class);
  dag.setOperatorAttribute(o1, OperatorContext.APPLICATION_WINDOW_COUNT, 4);
  dag.setOperatorAttribute(o1, OperatorContext.SLIDE_BY_WINDOW_COUNT, 2);
  dag.setOperatorAttribute(o1, OperatorContext.PARTITIONER, new StatelessPartitioner<>(2));
  dag.getOperatorMeta("o1").getMeta(o1.outport1).getUnifierMeta().getAttributes().put(OperatorContext.MEMORY_MB, 1024);
  dag.setOperatorAttribute(o2, OperatorContext.PARTITIONER, new StatelessPartitioner<>(2));
  dag.setOperatorAttribute(o2, OperatorContext.SLIDE_BY_WINDOW_COUNT, 2);
  dag.setOperatorAttribute(o2, OperatorContext.APPLICATION_WINDOW_COUNT, 4);

  dag.addStream("o1.outport1", o1.outport1, o2.inport1);
  dag.addStream("o2.outport1", o2.outport1, o3.inport1);
  PhysicalPlan plan = new PhysicalPlan(dag, new TestPlanContext());
  Assert.assertEquals("number of containers", 9, plan.getContainers().size());
}
 

@Test
public void testAddAttributeToArgs() throws Exception
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(LogicalPlan.APPLICATION_NAME, APP_NAME);
  AddAttributeToArgsOperator operator = dag.addOperator("test", AddAttributeToArgsOperator.class);
  dag.getContextAttributes(operator).put(OperatorContext.RECOVERY_ATTEMPTS, 0);

  StramClient client = new StramClient(conf, dag);
  try {
    client.start();
    client.startApplication();
    Assert.assertTrue(client.monitorApplication());
  } finally {
    client.stop();
  }
}
 

@Test
public void validateOiOImplementation() throws Exception
{
  LogicalPlan lp = new LogicalPlan();
  String workingDir = new File("target/validateOiOImplementation").getAbsolutePath();
  lp.setAttribute(Context.OperatorContext.STORAGE_AGENT, new AsyncFSStorageAgent(workingDir, null));
  TestInputOperator io = lp.addOperator("Input Operator", new TestInputOperator());
  FirstGenericOperator go = lp.addOperator("First Generic Operator", new FirstGenericOperator());
  SecondGenericOperator out = lp.addOperator("Second Generic Operator", new SecondGenericOperator());

  /*
   * This tests make sure that even if the application_window_count is different the endWindow() is called for
   * end_stream
   */
  lp.getOperatorMeta("Second Generic Operator").getAttributes().put(Context.OperatorContext.APPLICATION_WINDOW_COUNT, 2);
  StreamMeta stream = lp.addStream("Stream", io.output, go.input);
  StreamMeta stream1 = lp.addStream("Stream1", go.output, out.input);

  stream1.setLocality(Locality.THREAD_LOCAL);
  lp.validate();
  StramLocalCluster slc = new StramLocalCluster(lp);
  slc.run();
  Assert.assertEquals("End Window Count", FirstGenericOperator.endwindowCount, SecondGenericOperator.endwindowCount);
}
 

@Test
public void testNumberOfUnifiers()
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());
  GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
  GenericTestOperator node2 = dag.addOperator("node2", GenericTestOperator.class);
  dag.addStream("node1.outport1", node1.outport1, node2.inport1);
  dag.setOperatorAttribute(node1, OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(5));
  dag.setOutputPortAttribute(node1.outport1, PortContext.UNIFIER_LIMIT, 3);
  PhysicalPlan plan = new PhysicalPlan(dag, new TestPlanContext());
  List<PTContainer> containers = plan.getContainers();
  int unifierCount = 0;
  int totalOperators = 0;
  for (PTContainer container : containers) {
    List<PTOperator> operators = container.getOperators();
    for (PTOperator operator : operators) {
      totalOperators++;
      if (operator.isUnifier()) {
        unifierCount++;
      }
    }
  }
  Assert.assertEquals("Number of operators", 8, totalOperators);
  Assert.assertEquals("Number of unifiers", 2, unifierCount);
}
 

@Test
public void testParallelPartitionForSlidingWindow()
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());

  GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
  GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
  GenericTestOperator o3 = dag.addOperator("o3", GenericTestOperator.class);
  dag.setOperatorAttribute(o1, OperatorContext.SLIDE_BY_WINDOW_COUNT, 2);
  dag.setOperatorAttribute(o1, OperatorContext.PARTITIONER, new StatelessPartitioner<>(2));
  dag.setInputPortAttribute(o2.inport1, PortContext.PARTITION_PARALLEL, true);
  dag.setOperatorAttribute(o1, OperatorContext.APPLICATION_WINDOW_COUNT, 4);

  dag.addStream("o1.outport1", o1.outport1, o2.inport1);
  dag.addStream("o2.outport1", o2.outport1, o3.inport1);
  PhysicalPlan plan = new PhysicalPlan(dag, new TestPlanContext());
  Assert.assertEquals("number of containers", 7, plan.getContainers().size());
}
 

@Test
  public void testInlineOperatorsRecovery() throws Exception
  {
    RecoverableInputOperator.initGenTuples();
    CollectorOperator.collection.clear();
    int maxTuples = 30;
    LogicalPlan dag = new LogicalPlan();
    String workingDir = new File("target/testOperatorRecovery").getAbsolutePath();
    AsyncFSStorageAgent asyncFSStorageAgent = new AsyncFSStorageAgent(workingDir, null);
    asyncFSStorageAgent.setSyncCheckpoint(true);
    dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, asyncFSStorageAgent);
    //dag.getAttributes().get(DAG.HEARTBEAT_INTERVAL_MILLIS, 400);
    dag.getAttributes().put(LogicalPlan.CHECKPOINT_WINDOW_COUNT, 2);
    dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 300);
    dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 1);
    RecoverableInputOperator rip = dag.addOperator("LongGenerator", RecoverableInputOperator.class);
    rip.setMaximumTuples(maxTuples);
    rip.setSimulateFailure(true);

    CollectorOperator cm = dag.addOperator("LongCollector", CollectorOperator.class);
    cm.setSimulateFailure(true);
    dag.addStream("connection", rip.output, cm.input).setLocality(Locality.CONTAINER_LOCAL);

    StramLocalCluster lc = new StramLocalCluster(dag);
    lc.run();

//    for (Long l: collection) {
//      logger.debug(Codec.getStringWindowId(l));
//    }
    Assert.assertEquals("Generated Outputs", maxTuples, CollectorOperator.collection.size());
  }
 

private LogicalPlan createDAG(LogicalPlanConfiguration lpc) throws Exception
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(LogicalPlan.APPLICATION_PATH, testMeta.toURI().toString());
  lpc.prepareDAG(dag, null, "testApp");
  dag.validate();
  Assert.assertEquals("", Integer.valueOf(128), dag.getValue(DAG.MASTER_MEMORY_MB));
  Assert.assertEquals("", "-Dlog4j.properties=custom_log4j.properties", dag.getValue(DAG.CONTAINER_JVM_OPTIONS));
  return dag;
}
 

@Test
public void testOperatorRecovery() throws Exception
{
  RecoverableInputOperator.initGenTuples();
  CollectorOperator.collection.clear();
  int maxTuples = 30;
  LogicalPlan dag = new LogicalPlan();
  String workingDir = new File("target/testOperatorRecovery").getAbsolutePath();
  AsyncFSStorageAgent asyncFSStorageAgent = new AsyncFSStorageAgent(workingDir, null);
  asyncFSStorageAgent.setSyncCheckpoint(true);
  dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, asyncFSStorageAgent);
  dag.getAttributes().put(LogicalPlan.CHECKPOINT_WINDOW_COUNT, 2);
  dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 300);
  dag.getAttributes().put(LogicalPlan.CONTAINERS_MAX_COUNT, 1);
  RecoverableInputOperator rip = dag.addOperator("LongGenerator", RecoverableInputOperator.class);
  rip.setMaximumTuples(maxTuples);
  rip.setSimulateFailure(true);

  CollectorOperator cm = dag.addOperator("LongCollector", CollectorOperator.class);
  cm.setSimulateFailure(true);
  dag.addStream("connection", rip.output, cm.input);

  StramLocalCluster lc = new StramLocalCluster(dag);
  lc.run();

  Assert.assertEquals("Generated Outputs", maxTuples, CollectorOperator.collection.size());
}
 

@Test
public void validatePositiveOiOiOdiamondWithCores()
{
  logger.info("Checking the logic for sanity checking of OiO");

  LogicalPlan plan = new LogicalPlan();
  ThreadIdValidatingInputOperator inputOperator = plan.addOperator("inputOperator", new ThreadIdValidatingInputOperator());
  ThreadIdValidatingGenericIntermediateOperator intermediateOperator1 = plan.addOperator("intermediateOperator1", new ThreadIdValidatingGenericIntermediateOperator());
  ThreadIdValidatingGenericIntermediateOperator intermediateOperator2 = plan.addOperator("intermediateOperator2", new ThreadIdValidatingGenericIntermediateOperator());
  ThreadIdValidatingGenericIntermediateOperator intermediateOperator3 = plan.addOperator("intermediateOperator3", new ThreadIdValidatingGenericIntermediateOperator());
  ThreadIdValidatingGenericIntermediateOperator intermediateOperator4 = plan.addOperator("intermediateOperator4", new ThreadIdValidatingGenericIntermediateOperator());
  ThreadIdValidatingGenericOperatorWithTwoInputPorts outputOperator = plan.addOperator("outputOperator", new ThreadIdValidatingGenericOperatorWithTwoInputPorts());

  plan.addStream("OiOin", inputOperator.output, intermediateOperator1.input, intermediateOperator3.input).setLocality(Locality.THREAD_LOCAL);
  plan.addStream("OiOIntermediate1", intermediateOperator1.output, intermediateOperator2.input).setLocality(Locality.THREAD_LOCAL);
  plan.addStream("OiOIntermediate2", intermediateOperator3.output, intermediateOperator4.input).setLocality(Locality.THREAD_LOCAL);
  plan.addStream("OiOout1", intermediateOperator2.output, outputOperator.input).setLocality(Locality.THREAD_LOCAL);
  plan.addStream("OiOout2", intermediateOperator4.output, outputOperator.input2).setLocality(Locality.THREAD_LOCAL);

  plan.setOperatorAttribute(inputOperator, OperatorContext.VCORES, 1);
  plan.setOperatorAttribute(intermediateOperator1, OperatorContext.VCORES, 1);
  plan.setOperatorAttribute(intermediateOperator2, OperatorContext.VCORES, 2);
  plan.setOperatorAttribute(intermediateOperator3, OperatorContext.VCORES, 3);
  plan.setOperatorAttribute(intermediateOperator4, OperatorContext.VCORES, 5);
  plan.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());

  try {
    plan.validate();
    Assert.assertTrue("OiOiO extended diamond validation", true);
  } catch (ConstraintViolationException ex) {
    Assert.fail("OIOIO extended diamond validation");
  }
  PhysicalPlan physicalPlan = new PhysicalPlan(plan, new TestPlanContext());
  Assert.assertTrue("number of containers", 1 == physicalPlan.getContainers().size());
  Assert.assertTrue("number of vcores " + physicalPlan.getContainers().get(0).getRequiredVCores(), 5 == physicalPlan.getContainers().get(0).getRequiredVCores());
}
 

@Test
public void testContainersForSlidingWindow()
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());

  GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
  GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
  GenericTestOperator o3 = dag.addOperator("o3", GenericTestOperator.class);
  dag.setOperatorAttribute(o1, OperatorContext.APPLICATION_WINDOW_COUNT, 4);
  dag.setOperatorAttribute(o1, OperatorContext.SLIDE_BY_WINDOW_COUNT, 2);
  dag.getOperatorMeta("o1").getMeta(o1.outport1).getUnifierMeta().getAttributes().put(OperatorContext.MEMORY_MB, 2000);
  dag.getOperatorMeta("o1").getMeta(o1.outport2).getUnifierMeta().getAttributes().put(OperatorContext.MEMORY_MB, 4000);

  dag.addStream("o1.outport1", o1.outport1, o2.inport1);
  dag.addStream("o1.outport2", o1.outport2, o2.inport2);
  dag.addStream("o2.outport1", o2.outport1, o3.inport1);
  PhysicalPlan plan = new PhysicalPlan(dag, new TestPlanContext());
  Assert.assertEquals("number of containers", 5, plan.getContainers().size());
  boolean sawOutput1Slider = false;
  boolean sawOutput2Slider = false;
  for (PTContainer container : plan.getContainers()) {
    Assert.assertEquals("number of operators in each container is 1", container.operators.size(), 1);
    if (container.operators.get(0).isUnifier()) {
      String name = container.operators.get(0).getName();
      if (name.equals("o1.outport1#slider")) {
        sawOutput1Slider = true;
        Assert.assertEquals("container memory is 2512", container.getRequiredMemoryMB(), 2512);
      } else if (name.equals("o1.outport2#slider")) {
        sawOutput2Slider = true;
        Assert.assertEquals("container memory is 2512", container.getRequiredMemoryMB(), 4512);
      }
    }
  }
  Assert.assertEquals("Found output1 slider", true, sawOutput1Slider);
  Assert.assertEquals("Found output2 slider", true, sawOutput2Slider);
}
 

@Test
public void testOperatorFailureRecovery() throws Exception
{

  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(LogicalPlan.APPLICATION_PATH, testMeta.toURI().toString());
  FailingOperator badOperator = dag.addOperator("badOperator", FailingOperator.class);
  dag.getContextAttributes(badOperator).put(OperatorContext.RECOVERY_ATTEMPTS, 1);

  LOG.info("Initializing Client");
  StramClient client = new StramClient(conf, dag);
  try {
    client.start();
    client.startApplication();
    client.setClientTimeout(120000);

    boolean result = client.monitorApplication();

    LOG.info("Client run completed. Result=" + result);
    Assert.assertFalse("should fail", result);

    ApplicationReport ar = client.getApplicationReport();
    Assert.assertEquals("should fail", FinalApplicationStatus.FAILED, ar.getFinalApplicationStatus());
    // unable to get the diagnostics message set by the AM here - see YARN-208
    // diagnostics message does not make it here even with Hadoop 2.2 (but works on standalone cluster)
    //Assert.assertTrue("appReport " + ar, ar.getDiagnostics().contains("badOperator"));
  } finally {
    client.stop();
  }
}
 

@Test
public void testPartitionLocality()
{
  int partitionCount = 3;
  LogicalPlan dag = new LogicalPlan();
  dag.getAttributes().put(com.datatorrent.api.Context.DAGContext.APPLICATION_PATH, new File("target", HostLocalTest.class.getName()).getAbsolutePath());
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new MemoryStorageAgent());

  GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);

  GenericTestOperator partitioned = dag.addOperator("partitioned", GenericTestOperator.class);
  LocalityPartitioner partitioner = new LocalityPartitioner();
  partitioner.setPartitionCount(partitionCount);
  dag.getMeta(partitioned).getAttributes().put(OperatorContext.PARTITIONER, partitioner);
  dag.addStream("o1_outport1", o1.outport1, partitioned.inport1);

  StreamingContainerManager scm = new StreamingContainerManager(dag);

  ResourceRequestHandler rr = new ResourceRequestHandler();

  int containerMem = 1000;
  Map<String, NodeReport> nodeReports = Maps.newHashMap();
  for (int i = 0; i < partitionCount; i++) {
    NodeReport nr = BuilderUtils.newNodeReport(BuilderUtils.newNodeId("host" + (i + 1), 0),
        NodeState.RUNNING, "httpAddress", "rackName", BuilderUtils.newResource(0, 0), BuilderUtils.newResource(containerMem * 2, 2), 0, null, 0);
    nodeReports.put(nr.getNodeId().getHost(), nr);
  }

  // set resources
  rr.updateNodeReports(Lists.newArrayList(nodeReports.values()));
  Set<String> expectedHosts = Sets.newHashSet();
  for (int i = 0; i < partitionCount; i++) {
    expectedHosts.add("host" + (i + 1));
  }
  for (ContainerStartRequest csr : scm.containerStartRequests) {
    String host = rr.getHost(csr, true);
    if (host != null) {
      expectedHosts.remove(host);
    }
  }
  Assert.assertTrue("All the allocated hosts removed", expectedHosts.isEmpty());

}
 

/**
 * Test partitioning of an input operator (no input port).
 * Cover aspects that are not part of generic operator test.
 * Test scaling from one to multiple partitions with unifier when one partition remains unmodified.
 */
@Test
public void testInputOperatorPartitioning()
{
  LogicalPlan dag = new LogicalPlan();
  final TestInputOperator<Object> o1 = dag.addOperator("o1", new TestInputOperator<>());
  GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
  dag.addStream("o1.outport1", o1.output, o2.inport1);

  OperatorMeta o1Meta = dag.getMeta(o1);
  dag.setOperatorAttribute(o1, OperatorContext.STATS_LISTENERS, Arrays.asList(new StatsListener[]{new PartitioningTest.PartitionLoadWatch()}));
  TestPartitioner<TestInputOperator<Object>> partitioner = new TestPartitioner<>();
  dag.setOperatorAttribute(o1, OperatorContext.PARTITIONER, partitioner);

  TestPlanContext ctx = new TestPlanContext();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, ctx);
  PhysicalPlan plan = new PhysicalPlan(dag, ctx);
  Assert.assertEquals("number of containers", 2, plan.getContainers().size());

  List<PTOperator> o1Partitions = plan.getOperators(o1Meta);
  Assert.assertEquals("partitions " + o1Partitions, 1, o1Partitions.size());
  PTOperator o1p1 = o1Partitions.get(0);

  // verify load update generates expected events per configuration
  Assert.assertEquals("stats handlers " + o1p1, 1, o1p1.statsListeners.size());
  StatsListener l = o1p1.statsListeners.get(0);
  Assert.assertTrue("stats handlers " + o1p1.statsListeners, l instanceof PartitioningTest.PartitionLoadWatch);

  PartitioningTest.PartitionLoadWatch.put(o1p1, 1);
  plan.onStatusUpdate(o1p1);
  Assert.assertEquals("scale up triggered", 1, ctx.events.size());
  // add another partition, keep existing as is
  partitioner.extraPartitions.add(new DefaultPartition<>(o1));
  Runnable r = ctx.events.remove(0);
  r.run();
  partitioner.extraPartitions.clear();

  o1Partitions = plan.getOperators(o1Meta);
  Assert.assertEquals("operators after scale up", 2, o1Partitions.size());
  Assert.assertEquals("first partition unmodified", o1p1, o1Partitions.get(0));
  Assert.assertEquals("single output", 1, o1p1.getOutputs().size());
  Assert.assertEquals("output to unifier", 1, o1p1.getOutputs().get(0).sinks.size());

  Set<PTOperator> expUndeploy = Sets.newHashSet(plan.getOperators(dag.getMeta(o2)));
  Set<PTOperator> expDeploy = Sets.newHashSet(o1Partitions.get(1));
  expDeploy.addAll(plan.getMergeOperators(dag.getMeta(o1)));
  expDeploy.addAll(expUndeploy);
  expDeploy.add(o1p1.getOutputs().get(0).sinks.get(0).target);

  Assert.assertEquals("undeploy", expUndeploy, ctx.undeploy);
  Assert.assertEquals("deploy", expDeploy, ctx.deploy);

  for (PTOperator p : o1Partitions) {
    Assert.assertEquals("activation window id " + p, Checkpoint.INITIAL_CHECKPOINT, p.recoveryCheckpoint);
    Assert.assertEquals("checkpoints " + p + " " + p.checkpoints, Lists.newArrayList(), p.checkpoints);
    PartitioningTest.PartitionLoadWatch.put(p, -1);
    plan.onStatusUpdate(p);
  }
  ctx.events.remove(0).run();
  Assert.assertEquals("operators after scale down", 1, plan.getOperators(o1Meta).size());
}
 

@SuppressWarnings("SleepWhileInLoop")
private void baseTestForQueueSize(int maxTuples, TestCollectorStatsListener statsListener, DAG.Locality locality) throws Exception
{
  LogicalPlan dag = new LogicalPlan();
  String workingDir = new File("target/baseTestForQueueSize").getAbsolutePath();
  dag.setAttribute(Context.OperatorContext.STORAGE_AGENT, new AsyncFSStorageAgent(workingDir, null));
  dag.getAttributes().put(LogicalPlan.STREAMING_WINDOW_SIZE_MILLIS, 200);
  TestOperator testOper = dag.addOperator("TestOperator", TestOperator.class);
  testOper.setMaxTuples(maxTuples);

  TestCollector collector = dag.addOperator("Collector", new TestCollector());
  if (statsListener != null) {
    dag.setOperatorAttribute(collector, OperatorContext.STATS_LISTENERS, Arrays.asList(new StatsListener[]{statsListener}));
  }

  dag.addStream("TestTuples", testOper.outport, collector.inport1).setLocality(locality);

  StramLocalCluster lc = new StramLocalCluster(dag);
  lc.runAsync();
  StreamingContainerManager dnmgr = lc.getStreamingContainerManager();
  Map<Integer, PTOperator> operatorMap = dnmgr.getPhysicalPlan().getAllOperators();
  for (PTOperator p : operatorMap.values()) {
    StramTestSupport.waitForActivation(lc, p);
  }

  long startTms = System.currentTimeMillis();
  if (statsListener != null) {
    while (statsListener.collectorOperatorStats.isEmpty() && (StramTestSupport.DEFAULT_TIMEOUT_MILLIS > System.currentTimeMillis() - startTms)) {
      Thread.sleep(300);
      LOG.debug("Waiting for stats");
    }
  } else {
    while (collector.collectorOperatorStats.isEmpty() && (StramTestSupport.DEFAULT_TIMEOUT_MILLIS > System.currentTimeMillis() - startTms)) {
      Thread.sleep(300);
      LOG.debug("Waiting for stats");
    }
  }
  if (statsListener != null) {
    statsListener.validateStats();
  } else {
    collector.validateStats();
  }
  lc.shutdown();
}
 

/**
 * Test covering scenario when only new partitions are added during dynamic partitioning and there
 * are no changes to existing partitions and partition mapping
 */
@Test
public void testAugmentedDynamicPartitioning()
{
  LogicalPlan dag = new LogicalPlan();

  TestGeneratorInputOperator o1 = dag.addOperator("o1", TestGeneratorInputOperator.class);
  dag.setOperatorAttribute(o1, OperatorContext.PARTITIONER, new TestAugmentingPartitioner<TestGeneratorInputOperator>(3));
  dag.setOperatorAttribute(o1, OperatorContext.STATS_LISTENERS, Lists.newArrayList((StatsListener)new PartitioningTest.PartitionLoadWatch()));
  OperatorMeta o1Meta = dag.getMeta(o1);

  GenericTestOperator o2 = dag.addOperator("o2", GenericTestOperator.class);
  OperatorMeta o2Meta = dag.getMeta(o2);

  dag.addStream("o1.outport1", o1.outport, o2.inport1);

  int maxContainers = 10;
  dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, maxContainers);

  TestPlanContext ctx = new TestPlanContext();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, ctx);

  PhysicalPlan plan = new PhysicalPlan(dag, ctx);
  Assert.assertEquals("number of containers", 4, plan.getContainers().size());

  List<PTOperator> o1ops = plan.getOperators(o1Meta);
  Assert.assertEquals("number of o1 operators", 3, o1ops.size());

  List<PTOperator> o2ops = plan.getOperators(o2Meta);
  Assert.assertEquals("number of o2 operators", 1, o2ops.size());
  Set<PTOperator> expUndeploy = Sets.newLinkedHashSet();
  expUndeploy.addAll(plan.getOperators(o2Meta));
  expUndeploy.add(plan.getOperators(o2Meta).get(0).upstreamMerge.values().iterator().next());

  for (int i = 0; i < 2; ++i) {
    PartitioningTest.PartitionLoadWatch.put(o1ops.get(i), 1);
    plan.onStatusUpdate(o1ops.get(i));
  }

  ctx.backupRequests = 0;
  ctx.events.remove(0).run();

  Assert.assertEquals("number of containers", 6, plan.getContainers().size());

  Assert.assertEquals("undeployed opertors", expUndeploy, ctx.undeploy);
}
 

@Test
public void testSingleFinalUnifierInputOverride()
{
  LogicalPlan dag = new LogicalPlan();

  GenericTestOperator o1 = dag.addOperator("o1", GenericTestOperator.class);
  dag.setOperatorAttribute(o1, OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(3));
  OperatorMeta o1Meta = dag.getMeta(o1);

  GenericTestOperator o2 =  dag.addOperator("o2", GenericTestOperator.class);
  dag.setOperatorAttribute(o2, OperatorContext.PARTITIONER, new StatelessPartitioner<GenericTestOperator>(2));
  dag.setInputPortAttribute(o2.inport1, PortContext.UNIFIER_SINGLE_FINAL, true);
  OperatorMeta o2Meta = dag.getMeta(o2);

  dag.addStream("o1.outport1", o1.outport1, o2.inport1);

  dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, 10);

  TestPlanContext ctx = new TestPlanContext();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, ctx);

  PhysicalPlan plan = new PhysicalPlan(dag, ctx);
  Assert.assertEquals("number of containers", 6, plan.getContainers().size());

  Assert.assertEquals("o1 merge unifiers", 1, plan.getMergeOperators(o1Meta).size());

  dag.setOutputPortAttribute(o1.outport1, PortContext.UNIFIER_SINGLE_FINAL, false);
  ctx = new TestPlanContext();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, ctx);
  plan = new PhysicalPlan(dag, ctx);
  Assert.assertEquals("number of containers", 6, plan.getContainers().size());

  Assert.assertEquals("o1 merge unifiers", 1, plan.getMergeOperators(o1Meta).size());

  dag.setOutputPortAttribute(o1.outport1, PortContext.UNIFIER_SINGLE_FINAL, true);
  dag.setInputPortAttribute(o2.inport1, PortContext.UNIFIER_SINGLE_FINAL, false);
  ctx = new TestPlanContext();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, ctx);
  plan = new PhysicalPlan(dag, ctx);
  Assert.assertEquals("number of containers", 5, plan.getContainers().size());

  Set<String> expectedNames = Sets.newHashSet(o1Meta.getMeta(o1.outport1).getUnifierMeta().getName(), o2Meta.getName());
  for (int i = 3; i < 5; ++i) {
    PTContainer container = plan.getContainers().get(i);
    Assert.assertEquals("o2 container size", 2, container.getOperators().size());

    Set<String> names = Sets.newHashSet();
    for (PTOperator operator : container.getOperators()) {
      names.add(operator.getOperatorMeta().getName());
    }
    Assert.assertEquals("o2 container operators", expectedNames, names);
  }
}
 

@Test
public void testStaticPartitioning()
{
  LogicalPlan dag = new LogicalPlan();
  dag.setAttribute(OperatorContext.STORAGE_AGENT, new StramTestSupport.MemoryStorageAgent());

  TestGeneratorInputOperator node0 = dag.addOperator("node0", TestGeneratorInputOperator.class);
  GenericTestOperator node1 = dag.addOperator("node1", GenericTestOperator.class);
  PartitioningTestOperator partitioned = dag.addOperator("partitioned", PartitioningTestOperator.class);
  partitioned.setPartitionCount(partitioned.partitionKeys.length);
  GenericTestOperator singleton1 = dag.addOperator("singleton1", GenericTestOperator.class);
  GenericTestOperator singleton2 = dag.addOperator("singleton2", GenericTestOperator.class);

  dag.addStream("n0.inport1", node0.outport, node1.inport1);
  dag.addStream("n1.outport1", node1.outport1, partitioned.inport1, partitioned.inportWithCodec);
  dag.addStream("mergeStream", partitioned.outport1, singleton1.inport1, singleton2.inport1);

  dag.setAttribute(LogicalPlan.CONTAINERS_MAX_COUNT, 2);

  OperatorMeta partitionedMeta = dag.getMeta(partitioned);

  dag.validate();

  PhysicalPlan plan = new PhysicalPlan(dag, new TestPlanContext());

  Assert.assertEquals("number of containers", 2, plan.getContainers().size());
  Assert.assertNotNull("partition map", partitioned.partitions);
  Assert.assertEquals("partition map " + partitioned.partitions, 3, partitioned.partitions.size());

  List<PTOperator> n2Instances = plan.getOperators(partitionedMeta);
  Assert.assertEquals("partition instances " + n2Instances, partitioned.partitionKeys.length, n2Instances.size());
  for (int i = 0; i < n2Instances.size(); i++) {
    PTOperator po = n2Instances.get(i);
    Map<String, PTInput> inputsMap = new HashMap<>();
    for (PTInput input: po.getInputs()) {
      inputsMap.put(input.portName, input);
      Assert.assertEquals("partitions " + input, Sets.newHashSet(partitioned.partitionKeys[i]), input.partitions.partitions);
      //Assert.assertEquals("codec " + input.logicalStream, PartitioningTestStreamCodec.class, input.logicalStream.getCodecClass());
    }
    Assert.assertEquals("number inputs " + inputsMap, Sets.newHashSet(PartitioningTestOperator.IPORT1, PartitioningTestOperator.INPORT_WITH_CODEC), inputsMap.keySet());
  }

  Collection<PTOperator> unifiers = plan.getMergeOperators(partitionedMeta);
  Assert.assertEquals("number unifiers " + partitionedMeta, 0, unifiers.size());
}