Examples with LoggableComponent org.apache.nifi.controller.LoggableComponent used on opensource projects

Example 6 with LoggableComponent

use of org.apache.nifi.controller.LoggableComponent in project nifi by apache.

the class StandardControllerServiceProvider method createControllerService.

@Override
public ControllerServiceNode createControllerService(final String type, final String id, final BundleCoordinate bundleCoordinate, final Set<URL> additionalUrls, final boolean firstTimeAdded) {
    if (type == null || id == null || bundleCoordinate == null) {
        throw new NullPointerException();
    }
    ClassLoader cl = null;
    final ClassLoader currentContextClassLoader = Thread.currentThread().getContextClassLoader();
    try {
        final Class<?> rawClass;
        try {
            final Bundle csBundle = ExtensionManager.getBundle(bundleCoordinate);
            if (csBundle == null) {
                throw new ControllerServiceInstantiationException("Unable to find bundle for coordinate " + bundleCoordinate.getCoordinate());
            }
            cl = ExtensionManager.createInstanceClassLoader(type, id, csBundle, additionalUrls);
            Thread.currentThread().setContextClassLoader(cl);
            rawClass = Class.forName(type, false, cl);
        } catch (final Exception e) {
            logger.error("Could not create Controller Service of type " + type + " for ID " + id + "; creating \"Ghost\" implementation", e);
            Thread.currentThread().setContextClassLoader(currentContextClassLoader);
            return createGhostControllerService(type, id, bundleCoordinate);
        }
        final Class<? extends ControllerService> controllerServiceClass = rawClass.asSubclass(ControllerService.class);
        final ControllerService originalService = controllerServiceClass.newInstance();
        final StandardControllerServiceInvocationHandler invocationHandler = new StandardControllerServiceInvocationHandler(originalService);
        // extract all interfaces... controllerServiceClass is non null so getAllInterfaces is non null
        final List<Class<?>> interfaceList = ClassUtils.getAllInterfaces(controllerServiceClass);
        final Class<?>[] interfaces = interfaceList.toArray(new Class<?>[interfaceList.size()]);
        final ControllerService proxiedService;
        if (cl == null) {
            proxiedService = (ControllerService) Proxy.newProxyInstance(getClass().getClassLoader(), interfaces, invocationHandler);
        } else {
            proxiedService = (ControllerService) Proxy.newProxyInstance(cl, interfaces, invocationHandler);
        }
        logger.info("Created Controller Service of type {} with identifier {}", type, id);
        final ComponentLog serviceLogger = new SimpleProcessLogger(id, originalService);
        final TerminationAwareLogger terminationAwareLogger = new TerminationAwareLogger(serviceLogger);
        originalService.initialize(new StandardControllerServiceInitializationContext(id, terminationAwareLogger, this, getStateManager(id), nifiProperties));
        final ValidationContextFactory validationContextFactory = new StandardValidationContextFactory(this, variableRegistry);
        final LoggableComponent<ControllerService> originalLoggableComponent = new LoggableComponent<>(originalService, bundleCoordinate, terminationAwareLogger);
        final LoggableComponent<ControllerService> proxiedLoggableComponent = new LoggableComponent<>(proxiedService, bundleCoordinate, terminationAwareLogger);
        final ComponentVariableRegistry componentVarRegistry = new StandardComponentVariableRegistry(this.variableRegistry);
        final ControllerServiceNode serviceNode = new StandardControllerServiceNode(originalLoggableComponent, proxiedLoggableComponent, invocationHandler, id, validationContextFactory, this, componentVarRegistry, flowController);
        serviceNode.setName(rawClass.getSimpleName());
        invocationHandler.setServiceNode(serviceNode);
        if (firstTimeAdded) {
            try (final NarCloseable x = NarCloseable.withComponentNarLoader(originalService.getClass(), originalService.getIdentifier())) {
                ReflectionUtils.invokeMethodsWithAnnotation(OnAdded.class, originalService);
            } catch (final Exception e) {
                throw new ComponentLifeCycleException("Failed to invoke On-Added Lifecycle methods of " + originalService, e);
            }
        }
        serviceCache.putIfAbsent(id, serviceNode);
        return serviceNode;
    } catch (final Throwable t) {
        throw new ControllerServiceInstantiationException(t);
    } finally {
        if (currentContextClassLoader != null) {
            Thread.currentThread().setContextClassLoader(currentContextClassLoader);
        }
    }
}

Example 7 with LoggableComponent

use of org.apache.nifi.controller.LoggableComponent in project nifi by apache.

the class StandardControllerServiceProvider method createGhostControllerService.

private ControllerServiceNode createGhostControllerService(final String type, final String id, final BundleCoordinate bundleCoordinate) {
    final ControllerServiceInvocationHandler invocationHandler = new ControllerServiceInvocationHandler() {

        @Override
        public Object invoke(final Object proxy, final Method method, final Object[] args) throws Throwable {
            final String methodName = method.getName();
            if ("validate".equals(methodName)) {
                final ValidationResult result = new ValidationResult.Builder().input("Any Property").subject("Missing Controller Service").valid(false).explanation("Controller Service could not be created because the Controller Service Type (" + type + ") could not be found").build();
                return Collections.singleton(result);
            } else if ("getPropertyDescriptor".equals(methodName)) {
                final String propertyName = (String) args[0];
                return new PropertyDescriptor.Builder().name(propertyName).description(propertyName).sensitive(true).required(true).build();
            } else if ("getPropertyDescriptors".equals(methodName)) {
                return Collections.emptyList();
            } else if ("onPropertyModified".equals(methodName)) {
                return null;
            } else if ("getIdentifier".equals(methodName)) {
                return id;
            } else if ("toString".equals(methodName)) {
                return "GhostControllerService[id=" + id + ", type=" + type + "]";
            } else if ("hashCode".equals(methodName)) {
                return 91 * type.hashCode() + 41 * id.hashCode();
            } else if ("equals".equals(methodName)) {
                return proxy == args[0];
            } else {
                throw new IllegalStateException("Controller Service could not be created because the Controller Service Type (" + type + ") could not be found");
            }
        }

        @Override
        public void setServiceNode(ControllerServiceNode serviceNode) {
        // nothing to do
        }
    };
    final ControllerService proxiedService = (ControllerService) Proxy.newProxyInstance(getClass().getClassLoader(), new Class[] { ControllerService.class }, invocationHandler);
    final String simpleClassName = type.contains(".") ? StringUtils.substringAfterLast(type, ".") : type;
    final String componentType = "(Missing) " + simpleClassName;
    final LoggableComponent<ControllerService> proxiedLoggableComponent = new LoggableComponent<>(proxiedService, bundleCoordinate, null);
    final ComponentVariableRegistry componentVarRegistry = new StandardComponentVariableRegistry(this.variableRegistry);
    final ControllerServiceNode serviceNode = new StandardControllerServiceNode(proxiedLoggableComponent, proxiedLoggableComponent, invocationHandler, id, new StandardValidationContextFactory(this, variableRegistry), this, componentType, type, componentVarRegistry, flowController, true);
    serviceCache.putIfAbsent(id, serviceNode);
    return serviceNode;
}

Example 8 with LoggableComponent

use of org.apache.nifi.controller.LoggableComponent in project nifi by apache.

the class TestStandardControllerServiceProvider method createProcessor.

private ProcessorNode createProcessor(final StandardProcessScheduler scheduler, final ControllerServiceProvider serviceProvider) {
    final ReloadComponent reloadComponent = Mockito.mock(ReloadComponent.class);
    final LoggableComponent<Processor> dummyProcessor = new LoggableComponent<>(new DummyProcessor(), systemBundle.getBundleDetails().getCoordinate(), null);
    final ProcessorNode procNode = new StandardProcessorNode(dummyProcessor, UUID.randomUUID().toString(), new StandardValidationContextFactory(serviceProvider, null), scheduler, serviceProvider, niFiProperties, new StandardComponentVariableRegistry(VariableRegistry.EMPTY_REGISTRY), reloadComponent);
    final ProcessGroup group = new StandardProcessGroup(UUID.randomUUID().toString(), serviceProvider, scheduler, null, null, Mockito.mock(FlowController.class), new MutableVariableRegistry(variableRegistry));
    group.addProcessor(procNode);
    procNode.setProcessGroup(group);
    return procNode;
}