Examples with MetricsFieldSetter io.cdap.cdap.internal.app.runtime.MetricsFieldSetter used on opensource projects

Example 1 with MetricsFieldSetter

use of io.cdap.cdap.internal.app.runtime.MetricsFieldSetter in project cdap by caskdata.

the class WorkflowDriver method executeCondition.

@SuppressWarnings("unchecked")
private void executeCondition(ApplicationSpecification appSpec, final WorkflowConditionNode node, InstantiatorFactory instantiator, ClassLoader classLoader, WorkflowToken token) throws Exception {
    final BasicWorkflowContext context = new BasicWorkflowContext(workflowSpec, token, program, programOptions, cConf, metricsCollectionService, datasetFramework, txClient, discoveryServiceClient, nodeStates, pluginInstantiator, secureStore, secureStoreManager, messagingService, node.getConditionSpecification(), metadataReader, metadataPublisher, namespaceQueryAdmin, fieldLineageWriter, remoteClientFactory);
    final Iterator<WorkflowNode> iterator;
    Class<?> clz = classLoader.loadClass(node.getPredicateClassName());
    Predicate<WorkflowContext> predicate = instantiator.get(TypeToken.of((Class<? extends Predicate<WorkflowContext>>) clz)).create();
    if (!(predicate instanceof Condition)) {
        iterator = predicate.apply(context) ? node.getIfBranch().iterator() : node.getElseBranch().iterator();
    } else {
        final Condition workflowCondition = (Condition) predicate;
        Reflections.visit(workflowCondition, workflowCondition.getClass(), new PropertyFieldSetter(node.getConditionSpecification().getProperties()), new DataSetFieldSetter(context), new MetricsFieldSetter(context.getMetrics()));
        TransactionControl defaultTxControl = workflowContext.getDefaultTxControl();
        try {
            // AbstractCondition implements final initialize(context) and requires subclass to
            // implement initialize(), whereas conditions that directly implement Condition can
            // override initialize(context)
            TransactionControl txControl = workflowCondition instanceof AbstractCondition ? Transactions.getTransactionControl(defaultTxControl, AbstractCondition.class, workflowCondition, "initialize") : Transactions.getTransactionControl(defaultTxControl, Condition.class, workflowCondition, "initialize", WorkflowContext.class);
            context.initializeProgram(workflowCondition, txControl, false);
            boolean result = context.execute(() -> workflowCondition.apply(context));
            iterator = result ? node.getIfBranch().iterator() : node.getElseBranch().iterator();
        } finally {
            TransactionControl txControl = Transactions.getTransactionControl(defaultTxControl, Condition.class, workflowCondition, "destroy");
            context.destroyProgram(workflowCondition, txControl, false);
        }
    }
    // If a workflow updates its token at a condition node, it will be persisted after the execution of the next node.
    // However, the call below ensures that even if the workflow fails/crashes after a condition node, updates from the
    // condition node are also persisted.
    workflowStateWriter.setWorkflowToken(workflowRunId, token);
    executeAll(iterator, appSpec, instantiator, classLoader, token);
}

Example 2 with MetricsFieldSetter

use of io.cdap.cdap.internal.app.runtime.MetricsFieldSetter in project cdap by caskdata.

the class MapperWrapper 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);
    String program = basicMapReduceContext.getProgramName();
    final MapTaskMetricsWriter mapTaskMetricsWriter = new MapTaskMetricsWriter(basicMapReduceContext.getProgramMetrics(), context);
    // this is a hook for periodic flushing of changes buffered by datasets (to avoid OOME)
    WrappedMapper.Context flushingContext = createAutoFlushingContext(context, basicMapReduceContext, mapTaskMetricsWriter);
    basicMapReduceContext.setHadoopContext(flushingContext);
    InputSplit inputSplit = context.getInputSplit();
    if (inputSplit instanceof MultiInputTaggedSplit) {
        basicMapReduceContext.setInputContext(InputContexts.create((MultiInputTaggedSplit) inputSplit));
    }
    ClassLoader programClassLoader = classLoader.getProgramClassLoader();
    Mapper delegate = createMapperInstance(programClassLoader, getWrappedMapper(context.getConfiguration()), context, program);
    // 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) {
        Throwable rootCause = Throwables.getRootCause(t);
        USERLOG.error("Failed to initialize program '{}' with error: {}. Please check the system logs for more details.", program, rootCause.getMessage(), rootCause);
        throw new IOException(String.format("Failed to inject fields to %s", delegate.getClass()), t);
    }
    ClassLoader oldClassLoader;
    if (delegate instanceof ProgramLifecycle) {
        oldClassLoader = ClassLoaders.setContextClassLoader(weakReferenceClassLoader);
        try {
            ((ProgramLifecycle) delegate).initialize(new MapReduceLifecycleContext(basicMapReduceContext));
        } catch (Exception e) {
            Throwable rootCause = Throwables.getRootCause(e);
            USERLOG.error("Failed to initialize program '{}' with error: {}. Please check the system logs for more " + "details.", program, rootCause.getMessage(), rootCause);
            throw new IOException(String.format("Failed to initialize mapper with %s", basicMapReduceContext), 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) {
        throw new IOException("Failed to flush operations at the end of mapper of " + basicMapReduceContext, 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 mapper {}", basicMapReduceContext, e);
        // Do nothing, try to finish
        } finally {
            ClassLoaders.setContextClassLoader(oldClassLoader);
        }
    }
    // Emit metrics one final time
    mapTaskMetricsWriter.reportMetrics();
}

Example 3 with MetricsFieldSetter

use of io.cdap.cdap.internal.app.runtime.MetricsFieldSetter 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 4 with MetricsFieldSetter

use of io.cdap.cdap.internal.app.runtime.MetricsFieldSetter 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 MetricsFieldSetter

use of io.cdap.cdap.internal.app.runtime.MetricsFieldSetter 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);
}