Examples with InstantiatorFactory io.cdap.cdap.common.lang.InstantiatorFactory used on opensource projects

Example 1 with InstantiatorFactory

use of io.cdap.cdap.common.lang.InstantiatorFactory in project cdap by caskdata.

the class ServiceHttpServer method createDelegatorContexts.

@Override
protected List<HandlerDelegatorContext> createDelegatorContexts() throws Exception {
    // Constructs all handler delegator. It is for bridging ServiceHttpHandler and HttpHandler (in netty-http).
    List<HandlerDelegatorContext> delegatorContexts = new ArrayList<>();
    InstantiatorFactory instantiatorFactory = new InstantiatorFactory(false);
    for (HttpServiceHandlerSpecification handlerSpec : serviceSpecification.getHandlers().values()) {
        Class<?> handlerClass = getProgram().getClassLoader().loadClass(handlerSpec.getClassName());
        @SuppressWarnings("unchecked") TypeToken<HttpServiceHandler> type = TypeToken.of((Class<HttpServiceHandler>) handlerClass);
        MetricsContext metrics = httpServiceContext.getProgramMetrics().childContext(BasicHttpServiceContext.createMetricsTags(handlerSpec, getInstanceId()));
        delegatorContexts.add(new HandlerDelegatorContext(type, instantiatorFactory, handlerSpec, contextFactory, metrics));
    }
    return delegatorContexts;
}

Example 2 with InstantiatorFactory

use of io.cdap.cdap.common.lang.InstantiatorFactory in project cdap by caskdata.

the class WorkflowDriver method run.

@Override
protected void run() throws Exception {
    LOG.info("Starting workflow execution for '{}' with Run id '{}'", workflowSpec.getName(), workflowRunId.getRun());
    LOG.trace("Workflow specification is {}", workflowSpec);
    workflowContext.setState(new ProgramState(ProgramStatus.RUNNING, null));
    executeAll(workflowSpec.getNodes().iterator(), program.getApplicationSpecification(), new InstantiatorFactory(false), program.getClassLoader(), basicWorkflowToken);
    if (runningThread != null) {
        workflowContext.setState(new ProgramState(ProgramStatus.COMPLETED, null));
    }
    LOG.info("Workflow '{}' with run id '{}' completed", workflowSpec.getName(), workflowRunId.getRun());
}

Example 3 with InstantiatorFactory

use of io.cdap.cdap.common.lang.InstantiatorFactory in project cdap by caskdata.

the class SparkProgramRunner method run.

@Override
public ProgramController run(Program program, ProgramOptions options) {
    LOG.trace("Starting Spark program {} with SparkProgramRunner of ClassLoader {}", program.getId(), getClass().getClassLoader());
    // Get the RunId first. It is used for the creation of the ClassLoader closing thread.
    Arguments arguments = options.getArguments();
    RunId runId = ProgramRunners.getRunId(options);
    Deque<Closeable> closeables = new LinkedList<>();
    try {
        // Extract and verify parameters
        ApplicationSpecification appSpec = program.getApplicationSpecification();
        Preconditions.checkNotNull(appSpec, "Missing application specification.");
        ProgramType processorType = program.getType();
        Preconditions.checkNotNull(processorType, "Missing processor type.");
        Preconditions.checkArgument(processorType == ProgramType.SPARK, "Only Spark process type is supported.");
        SparkSpecification spec = appSpec.getSpark().get(program.getName());
        Preconditions.checkNotNull(spec, "Missing SparkSpecification for %s", program.getName());
        String host = options.getArguments().getOption(ProgramOptionConstants.HOST);
        Preconditions.checkArgument(host != null, "No hostname is provided");
        // Get the WorkflowProgramInfo if it is started by Workflow
        WorkflowProgramInfo workflowInfo = WorkflowProgramInfo.create(arguments);
        DatasetFramework programDatasetFramework = workflowInfo == null ? datasetFramework : NameMappedDatasetFramework.createFromWorkflowProgramInfo(datasetFramework, workflowInfo, appSpec);
        // Setup dataset framework context, if required
        if (programDatasetFramework instanceof ProgramContextAware) {
            ProgramId programId = program.getId();
            ((ProgramContextAware) programDatasetFramework).setContext(new BasicProgramContext(programId.run(runId)));
        }
        PluginInstantiator pluginInstantiator = createPluginInstantiator(options, program.getClassLoader());
        if (pluginInstantiator != null) {
            closeables.addFirst(pluginInstantiator);
        }
        SparkRuntimeContext runtimeContext = new SparkRuntimeContext(new Configuration(hConf), program, options, cConf, host, txClient, programDatasetFramework, metricsCollectionService, workflowInfo, pluginInstantiator, secureStore, secureStoreManager, accessEnforcer, authenticationContext, messagingService, serviceAnnouncer, pluginFinder, locationFactory, metadataReader, metadataPublisher, namespaceQueryAdmin, fieldLineageWriter, remoteClientFactory, () -> {
        });
        closeables.addFirst(runtimeContext);
        Spark spark;
        try {
            spark = new InstantiatorFactory(false).get(TypeToken.of(program.<Spark>getMainClass())).create();
        } catch (Exception e) {
            LOG.error("Failed to instantiate Spark class for {}", spec.getClassName(), e);
            throw Throwables.propagate(e);
        }
        boolean isLocal = SparkRuntimeContextConfig.isLocal(options);
        SparkSubmitter submitter;
        // If MasterEnvironment is not available, use non-master env spark submitters
        MasterEnvironment masterEnv = MasterEnvironments.getMasterEnvironment();
        if (masterEnv != null && cConf.getBoolean(Constants.Environment.PROGRAM_SUBMISSION_MASTER_ENV_ENABLED, true)) {
            submitter = new MasterEnvironmentSparkSubmitter(cConf, locationFactory, host, runtimeContext, masterEnv);
        } else {
            submitter = isLocal ? new LocalSparkSubmitter() : new DistributedSparkSubmitter(hConf, locationFactory, host, runtimeContext, options.getArguments().getOption(Constants.AppFabric.APP_SCHEDULER_QUEUE));
        }
        Service sparkRuntimeService = new SparkRuntimeService(cConf, spark, getPluginArchive(options), runtimeContext, submitter, locationFactory, isLocal, fieldLineageWriter, masterEnv);
        sparkRuntimeService.addListener(createRuntimeServiceListener(closeables), Threads.SAME_THREAD_EXECUTOR);
        ProgramController controller = new SparkProgramController(sparkRuntimeService, runtimeContext);
        LOG.debug("Starting Spark Job. Context: {}", runtimeContext);
        if (isLocal || UserGroupInformation.isSecurityEnabled()) {
            sparkRuntimeService.start();
        } else {
            ProgramRunners.startAsUser(cConf.get(Constants.CFG_HDFS_USER), sparkRuntimeService);
        }
        return controller;
    } catch (Throwable t) {
        closeAllQuietly(closeables);
        throw Throwables.propagate(t);
    }
}

Example 4 with InstantiatorFactory

use of io.cdap.cdap.common.lang.InstantiatorFactory in project cdap by caskdata.

the class WorkflowDriver method initializeWorkflow.

@SuppressWarnings("unchecked")
private Workflow initializeWorkflow() throws Exception {
    Class<?> clz = Class.forName(workflowSpec.getClassName(), true, program.getClassLoader());
    if (!Workflow.class.isAssignableFrom(clz)) {
        throw new IllegalStateException(String.format("%s is not Workflow.", clz));
    }
    Class<? extends Workflow> workflowClass = (Class<? extends Workflow>) clz;
    final Workflow workflow = new InstantiatorFactory(false).get(TypeToken.of(workflowClass)).create();
    // set metrics
    Reflections.visit(workflow, workflow.getClass(), new MetricsFieldSetter(workflowContext.getMetrics()));
    if (!(workflow instanceof ProgramLifecycle)) {
        return workflow;
    }
    final TransactionControl txControl = Transactions.getTransactionControl(workflowContext.getDefaultTxControl(), Workflow.class, workflow, "initialize", WorkflowContext.class);
    basicWorkflowToken.setCurrentNode(workflowSpec.getName());
    workflowContext.setState(new ProgramState(ProgramStatus.INITIALIZING, null));
    workflowContext.initializeProgram((ProgramLifecycle) workflow, txControl, false);
    workflowStateWriter.setWorkflowToken(workflowRunId, basicWorkflowToken);
    return workflow;
}

Example 5 with InstantiatorFactory

use of io.cdap.cdap.common.lang.InstantiatorFactory in project cdap by caskdata.

the class WorkerDriver method startUp.

@Override
protected void startUp() throws Exception {
    LoggingContextAccessor.setLoggingContext(context.getLoggingContext());
    // Instantiate worker instance
    Class<?> workerClass = program.getClassLoader().loadClass(spec.getClassName());
    @SuppressWarnings("unchecked") TypeToken<Worker> workerType = (TypeToken<Worker>) TypeToken.of(workerClass);
    worker = new InstantiatorFactory(false).get(workerType).create();
    // Fields injection
    Reflections.visit(worker, workerType.getType(), new MetricsFieldSetter(context.getMetrics()), new PropertyFieldSetter(spec.getProperties()));
    LOG.debug("Starting Worker Program {}", program.getId());
    // Initialize worker
    // Worker is always using Explicit transaction
    TransactionControl txControl = Transactions.getTransactionControl(TransactionControl.EXPLICIT, Worker.class, worker, "initialize", WorkerContext.class);
    context.initializeProgram(worker, txControl, false);
}