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

Example 6 with PropertyFieldSetter

use of io.cdap.cdap.common.lang.PropertyFieldSetter in project cdap by cdapio.

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);
}

Example 7 with PropertyFieldSetter

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

the class CustomActionExecutor method createCustomAction.

@SuppressWarnings("unchecked")
private CustomAction createCustomAction(BasicCustomActionContext context, InstantiatorFactory instantiator, ClassLoader classLoader) throws Exception {
    Class<?> clz = Class.forName(context.getSpecification().getClassName(), true, classLoader);
    Preconditions.checkArgument(CustomAction.class.isAssignableFrom(clz), "%s is not a CustomAction.", clz);
    CustomAction action = instantiator.get(TypeToken.of((Class<? extends CustomAction>) clz)).create();
    Reflections.visit(action, action.getClass(), new PropertyFieldSetter(context.getSpecification().getProperties()), new DataSetFieldSetter(context), new MetricsFieldSetter(context.getMetrics()));
    return action;
}

Example 8 with PropertyFieldSetter

use of io.cdap.cdap.common.lang.PropertyFieldSetter 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);
}

Example 9 with PropertyFieldSetter

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

the class MapReduceProgramRunner method run.

@Override
public ProgramController run(final Program program, ProgramOptions options) {
    // 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.MAPREDUCE, "Only MAPREDUCE process type is supported.");
    MapReduceSpecification spec = appSpec.getMapReduce().get(program.getName());
    Preconditions.checkNotNull(spec, "Missing MapReduceSpecification for %s", program.getName());
    Arguments arguments = options.getArguments();
    RunId runId = ProgramRunners.getRunId(options);
    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)));
    }
    MapReduce mapReduce;
    try {
        mapReduce = new InstantiatorFactory(false).get(TypeToken.of(program.<MapReduce>getMainClass())).create();
    } catch (Exception e) {
        LOG.error("Failed to instantiate MapReduce class for {}", spec.getClassName(), e);
        throw Throwables.propagate(e);
    }
    // List of all Closeable resources that needs to be cleanup
    List<Closeable> closeables = new ArrayList<>();
    try {
        PluginInstantiator pluginInstantiator = createPluginInstantiator(options, program.getClassLoader());
        if (pluginInstantiator != null) {
            closeables.add(pluginInstantiator);
        }
        final BasicMapReduceContext context = new BasicMapReduceContext(program, options, cConf, spec, workflowInfo, discoveryServiceClient, metricsCollectionService, txSystemClient, programDatasetFramework, getPluginArchive(options), pluginInstantiator, secureStore, secureStoreManager, messagingService, metadataReader, metadataPublisher, namespaceQueryAdmin, fieldLineageWriter, remoteClientFactory);
        closeables.add(context);
        Reflections.visit(mapReduce, mapReduce.getClass(), new PropertyFieldSetter(context.getSpecification().getProperties()), new MetricsFieldSetter(context.getMetrics()), new DataSetFieldSetter(context));
        // note: this sets logging context on the thread level
        LoggingContextAccessor.setLoggingContext(context.getLoggingContext());
        // Set the job queue to hConf if it is provided
        Configuration hConf = new Configuration(this.hConf);
        String schedulerQueue = options.getArguments().getOption(Constants.AppFabric.APP_SCHEDULER_QUEUE);
        if (schedulerQueue != null && !schedulerQueue.isEmpty()) {
            hConf.set(JobContext.QUEUE_NAME, schedulerQueue);
        }
        ClusterMode clusterMode = ProgramRunners.getClusterMode(options);
        Service mapReduceRuntimeService = new MapReduceRuntimeService(injector, cConf, hConf, mapReduce, spec, context, program.getJarLocation(), locationFactory, clusterMode, fieldLineageWriter);
        mapReduceRuntimeService.addListener(createRuntimeServiceListener(closeables), Threads.SAME_THREAD_EXECUTOR);
        ProgramController controller = new MapReduceProgramController(mapReduceRuntimeService, context);
        LOG.debug("Starting MapReduce Job: {}", context);
        // be running the job, but the data directory will be owned by cdap.
        if (MapReduceTaskContextProvider.isLocal(hConf) || UserGroupInformation.isSecurityEnabled()) {
            mapReduceRuntimeService.start();
        } else {
            ProgramRunners.startAsUser(cConf.get(Constants.CFG_HDFS_USER), mapReduceRuntimeService);
        }
        return controller;
    } catch (Exception e) {
        closeAllQuietly(closeables);
        throw Throwables.propagate(e);
    }
}

Example 10 with PropertyFieldSetter

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

the class ReducerWrapper method run.

@SuppressWarnings("unchecked")
@Override
public void run(Context context) throws IOException, InterruptedException {
    MapReduceClassLoader classLoader = MapReduceClassLoader.getFromConfiguration(context.getConfiguration());
    ClassLoader weakReferenceClassLoader = new WeakReferenceDelegatorClassLoader(classLoader);
    BasicMapReduceTaskContext basicMapReduceContext = classLoader.getTaskContextProvider().get(context);
    long metricsReportInterval = basicMapReduceContext.getMetricsReportIntervalMillis();
    final ReduceTaskMetricsWriter reduceTaskMetricsWriter = new ReduceTaskMetricsWriter(basicMapReduceContext.getProgramMetrics(), context);
    // this is a hook for periodic flushing of changes buffered by datasets (to avoid OOME)
    WrappedReducer.Context flushingContext = createAutoFlushingContext(context, basicMapReduceContext, reduceTaskMetricsWriter);
    basicMapReduceContext.setHadoopContext(flushingContext);
    String userReducer = context.getConfiguration().get(ATTR_REDUCER_CLASS);
    ClassLoader programClassLoader = classLoader.getProgramClassLoader();
    Reducer delegate = createReducerInstance(programClassLoader, userReducer);
    // injecting runtime components, like datasets, etc.
    try {
        Reflections.visit(delegate, delegate.getClass(), new PropertyFieldSetter(basicMapReduceContext.getSpecification().getProperties()), new MetricsFieldSetter(basicMapReduceContext.getMetrics()), new DataSetFieldSetter(basicMapReduceContext));
    } catch (Throwable t) {
        LOG.error("Failed to inject fields to {}.", delegate.getClass(), t);
        throw Throwables.propagate(t);
    }
    ClassLoader oldClassLoader;
    if (delegate instanceof ProgramLifecycle) {
        oldClassLoader = ClassLoaders.setContextClassLoader(weakReferenceClassLoader);
        try {
            ((ProgramLifecycle) delegate).initialize(new MapReduceLifecycleContext(basicMapReduceContext));
        } catch (Exception e) {
            LOG.error("Failed to initialize reducer with {}", basicMapReduceContext, e);
            throw Throwables.propagate(e);
        } finally {
            ClassLoaders.setContextClassLoader(oldClassLoader);
        }
    }
    oldClassLoader = ClassLoaders.setContextClassLoader(weakReferenceClassLoader);
    try {
        delegate.run(flushingContext);
    } finally {
        ClassLoaders.setContextClassLoader(oldClassLoader);
    }
    // memory by tx agent)
    try {
        basicMapReduceContext.flushOperations();
    } catch (Exception e) {
        LOG.error("Failed to flush operations at the end of reducer of " + basicMapReduceContext, e);
        throw Throwables.propagate(e);
    }
    // Close all writers created by MultipleOutputs
    basicMapReduceContext.closeMultiOutputs();
    if (delegate instanceof ProgramLifecycle) {
        oldClassLoader = ClassLoaders.setContextClassLoader(weakReferenceClassLoader);
        try {
            ((ProgramLifecycle<? extends RuntimeContext>) delegate).destroy();
        } catch (Exception e) {
            LOG.error("Error during destroy of reducer {}", basicMapReduceContext, e);
        // Do nothing, try to finish
        } finally {
            ClassLoaders.setContextClassLoader(oldClassLoader);
        }
    }
    reduceTaskMetricsWriter.reportMetrics();
}