Package co.cask.cdap.app

Examples of co.cask.cdap.app.ApplicationSpecification

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  @Override
  public boolean programExists(final Id.Program id, final ProgramType type) {
    return txnl.executeUnchecked(new TransactionExecutor.Function<AppMds, Boolean>() {
      @Override
      public Boolean apply(AppMds mds) throws Exception {
        ApplicationSpecification appSpec = getApplicationSpec(mds, id.getApplication());
        if (appSpec == null) {
          return false;
        }
        ProgramSpecification programSpecification = null;
        try {
          if (type == ProgramType.FLOW) {
            programSpecification = getFlowSpecOrFail(id, appSpec);
          } else if (type == ProgramType.PROCEDURE) {
            programSpecification = getProcedureSpecOrFail(id, appSpec);
          } else if (type == ProgramType.SERVICE) {
            programSpecification = getServiceSpecOrFail(id, appSpec);
          } else if (type == ProgramType.WORKFLOW) {
            programSpecification = appSpec.getWorkflows().get(id.getId());
          } else if (type == ProgramType.MAPREDUCE) {
            programSpecification = appSpec.getMapReduce().get(id.getId());
          } else if (type == ProgramType.SPARK) {
            programSpecification = appSpec.getSpark().get(id.getId());
          } else if (type == ProgramType.WEBAPP) {
            // no-op
          } else {
            throw new IllegalArgumentException("Invalid ProgramType");
          }
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    final FlowletDefinition adjustedFlowletDef = new FlowletDefinition(flowletDef, count);
    return replaceFlowletInAppSpec(appSpec, id, flowSpec, adjustedFlowletDef);
  }

  private ApplicationSpecification getAppSpecOrFail(AppMds mds, Id.Program id) {
    ApplicationSpecification appSpec = getApplicationSpec(mds, id.getApplication());
    if (appSpec == null) {
      throw new NoSuchElementException("no such application @ account id: " + id.getAccountId() +
                                           ", app id: " + id.getApplication().getId());
    }
    return appSpec;
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    Preconditions.checkNotNull(applicationClz, "Application class cannot be null.");

    try {
      Object appInstance = applicationClz.newInstance();
      ApplicationSpecification appSpec;

      if (appInstance instanceof Application) {
        Application app = (Application) appInstance;
        DefaultAppConfigurer configurer = new DefaultAppConfigurer(app);
        app.configure(configurer, new ApplicationContext());
        appSpec = configurer.createApplicationSpec();
      } else {
        throw new IllegalArgumentException("Application class does not represent application: "
                                             + applicationClz.getName());
      }

      Location deployedJar = appFabricClient.deployApplication(appSpec.getName(), applicationClz, bundleEmbeddedJars);

      return
        injector.getInstance(ApplicationManagerFactory.class).create(DefaultId.ACCOUNT.getId(), appSpec.getName(),
                                                                     deployedJar, appSpec);

    } catch (Exception e) {
      throw Throwables.propagate(e);
    }
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  public void listServices(HttpRequest request, HttpResponder responder,
                           @PathParam("app-id") String appId) {

    try {
      String accountId = getAuthenticatedAccountId(request);
      ApplicationSpecification spec = store.getApplication(Id.Application.from(accountId, appId));
      if (spec != null) {
        List<ProgramRecord> services = Lists.newArrayList();
        for (Map.Entry<String, ServiceSpecification> entry : spec.getServices().entrySet()) {
          ServiceSpecification specification = entry.getValue();
          services.add(new ProgramRecord(ProgramType.SERVICE, appId, specification.getName(),
                                         specification.getName(), specification.getDescription()));
        }
        responder.sendJson(HttpResponseStatus.OK, services);
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  }

  @Nullable
  private ServiceSpecification getServiceSpecification(String accountId, String id,
                                                       String serviceName) throws OperationException {
    ApplicationSpecification applicationSpecification = store.getApplication(Id.Application.from(accountId, id));
    if (applicationSpecification == null) {
      return null;
    }
    Map<String, ServiceSpecification> serviceSpecs = applicationSpecification.getServices();
    if (serviceSpecs.containsKey(serviceName)) {
      return serviceSpecs.get(serviceName);
    } else {
      return null;
    }
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  @Override
  protected ProgramController launch(Program program, ProgramOptions options, File hConfFile, File cConfFile,
                                     ApplicationLauncher launcher) {
    // Extract and verify parameters
    ApplicationSpecification appSpec = program.getSpecification();
    Preconditions.checkNotNull(appSpec, "Missing application specification.");

    ProgramType processorType = program.getType();
    Preconditions.checkNotNull(processorType, "Missing processor type.");
    Preconditions.checkArgument(processorType == ProgramType.SERVICE, "Only SERVICE process type is supported.");

    final ServiceSpecification serviceSpec = appSpec.getServices().get(program.getName());
    Preconditions.checkNotNull(serviceSpec, "Missing ServiceSpecification for %s", program.getName());

    // Launch service runnables program runners
    LOG.info("Launching distributed service: {}:{}", program.getName(), serviceSpec.getName());
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  @Override
  protected ProgramController launch(Program program, ProgramOptions options,
                                     File hConfFile, File cConfFile, ApplicationLauncher launcher) {
    // Extract and verify parameters
    ApplicationSpecification appSpec = program.getSpecification();
    Preconditions.checkNotNull(appSpec, "Missing application specification.");

    ProgramType processorType = program.getType();
    Preconditions.checkNotNull(processorType, "Missing processor type.");
    Preconditions.checkArgument(processorType == ProgramType.FLOW, "Only FLOW process type is supported.");

    try {
      FlowSpecification flowSpec = appSpec.getFlows().get(program.getName());
      Preconditions.checkNotNull(flowSpec, "Missing FlowSpecification for %s", program.getName());

      LOG.info("Configuring flowlets queues");
      Multimap<String, QueueName> flowletQueues = FlowUtils.configureQueue(program, flowSpec, streamAdmin, queueAdmin);
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    // Initializing dataset context and hooking it up with mapreduce job transaction

    DatasetFramework datasetFramework = injector.getInstance(DatasetFramework.class);
    CConfiguration configuration = injector.getInstance(CConfiguration.class);

    ApplicationSpecification programSpec = program.getSpecification();

    // if this is not for a mapper or a reducer, we don't need the metrics collection service
    MetricsCollectionService metricsCollectionService =
      (type == null) ? null : injector.getInstance(MetricsCollectionService.class);

    DiscoveryServiceClient discoveryServiceClient = injector.getInstance(DiscoveryServiceClient.class);

    // Creating mapreduce job context
    MapReduceSpecification spec = program.getSpecification().getMapReduce().get(program.getName());
    BasicMapReduceContext context =
      new BasicMapReduceContext(program, type, RunIds.fromString(runId),
                                runtimeArguments, programSpec.getDatasets().keySet(), spec, logicalStartTime,
                                workflowBatch, discoveryServiceClient, metricsCollectionService,
                                datasetFramework, configuration);

    // propagating tx to all txAware guys
    // NOTE: tx will be committed by client code
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  @Override
  protected ProgramController launch(Program program, ProgramOptions options,
                                     File hConfFile, File cConfFile, ApplicationLauncher launcher) {
    // Extract and verify parameters
    ApplicationSpecification appSpec = program.getSpecification();
    Preconditions.checkNotNull(appSpec, "Missing application specification.");

    ProgramType processorType = program.getType();
    Preconditions.checkNotNull(processorType, "Missing processor type.");
    Preconditions.checkArgument(processorType == ProgramType.PROCEDURE, "Only PROCEDURE process type is supported.");

    ProcedureSpecification procedureSpec = appSpec.getProcedures().get(program.getName());
    Preconditions.checkNotNull(procedureSpec, "Missing ProcedureSpecification for %s", program.getName());

    LOG.info("Launching distributed flow: " + program.getName() + ":" + procedureSpec.getName());
    TwillController controller = launcher.launch(new ProcedureTwillApplication(program, procedureSpec,
                                                                               hConfFile, cConfFile, eventHandler));
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  @Override
  protected ProgramController launch(Program program, ProgramOptions options,
                                     File hConfFile, File cConfFile, ApplicationLauncher launcher) {
    // Extract and verify parameters
    ApplicationSpecification appSpec = program.getSpecification();
    Preconditions.checkNotNull(appSpec, "Missing application specification.");

    ProgramType processorType = program.getType();
    Preconditions.checkNotNull(processorType, "Missing processor type.");
    Preconditions.checkArgument(processorType == ProgramType.MAPREDUCE, "Only MAPREDUCE process type is supported.");

    MapReduceSpecification spec = appSpec.getMapReduce().get(program.getName());
    Preconditions.checkNotNull(spec, "Missing MapReduceSpecification for %s", program.getName());

    LOG.info("Launching MapReduce program: " + program.getName() + ":" + spec.getName());
    TwillController controller = launcher.launch(new MapReduceTwillApplication(program, spec,
                                                                               hConfFile, cConfFile, eventHandler));
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Related Classes of co.cask.cdap.app.ApplicationSpecification

  • co.cask.cdap.app.deploy.SandboxJVM
  • co.cask.cdap.gateway.handlers.AppFabricHttpHandler
  • co.cask.cdap.gateway.handlers.ServiceHttpHandler
  • co.cask.cdap.internal.app.deploy.InMemoryConfigurator
  • co.cask.cdap.internal.app.deploy.pipeline.CreateDatasetInstancesStage
  • co.cask.cdap.internal.app.deploy.pipeline.DeployDatasetModulesStage
  • co.cask.cdap.internal.app.deploy.pipeline.LocalArchiveLoaderStage
  • co.cask.cdap.internal.app.deploy.pipeline.ProgramGenerationStage
  • co.cask.cdap.internal.app.deploy.pipeline.VerificationStage
  • co.cask.cdap.internal.app.runtime.batch.AbstractMapReduceContextBuilder
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