Examples with NarCloseable org.apache.nifi.nar.NarCloseable used on opensource projects

Example 46 with NarCloseable

use of org.apache.nifi.nar.NarCloseable in project nifi by apache.

the class AbstractConfiguredComponent method validate.

@Override
public Collection<ValidationResult> validate(final ValidationContext context) {
    try (final NarCloseable narCloseable = NarCloseable.withComponentNarLoader(getComponent().getClass(), getComponent().getIdentifier())) {
        final Collection<ValidationResult> validationResults = getComponent().validate(context);
        // validate selected controller services implement the API required by the processor
        final List<PropertyDescriptor> supportedDescriptors = getComponent().getPropertyDescriptors();
        if (null != supportedDescriptors) {
            for (final PropertyDescriptor descriptor : supportedDescriptors) {
                if (descriptor.getControllerServiceDefinition() == null) {
                    // skip properties that aren't for a controller service
                    continue;
                }
                final String controllerServiceId = context.getProperty(descriptor).getValue();
                if (controllerServiceId == null) {
                    // if the property value is null we should already have a validation error
                    continue;
                }
                final ControllerServiceNode controllerServiceNode = getControllerServiceProvider().getControllerServiceNode(controllerServiceId);
                if (controllerServiceNode == null) {
                    // if the node was null we should already have a validation error
                    continue;
                }
                final Class<? extends ControllerService> controllerServiceApiClass = descriptor.getControllerServiceDefinition();
                final ClassLoader controllerServiceApiClassLoader = controllerServiceApiClass.getClassLoader();
                final Consumer<String> addValidationError = explanation -> validationResults.add(new ValidationResult.Builder().input(controllerServiceId).subject(descriptor.getDisplayName()).valid(false).explanation(explanation).build());
                final Bundle controllerServiceApiBundle = ExtensionManager.getBundle(controllerServiceApiClassLoader);
                if (controllerServiceApiBundle == null) {
                    addValidationError.accept(String.format("Unable to find bundle for ControllerService API class %s.", controllerServiceApiClass.getCanonicalName()));
                    continue;
                }
                final BundleCoordinate controllerServiceApiCoordinate = controllerServiceApiBundle.getBundleDetails().getCoordinate();
                final Bundle controllerServiceBundle = ExtensionManager.getBundle(controllerServiceNode.getBundleCoordinate());
                if (controllerServiceBundle == null) {
                    addValidationError.accept(String.format("Unable to find bundle for coordinate %s.", controllerServiceNode.getBundleCoordinate()));
                    continue;
                }
                final BundleCoordinate controllerServiceCoordinate = controllerServiceBundle.getBundleDetails().getCoordinate();
                final boolean matchesApi = matchesApi(controllerServiceBundle, controllerServiceApiCoordinate);
                if (!matchesApi) {
                    final String controllerServiceType = controllerServiceNode.getComponentType();
                    final String controllerServiceApiType = controllerServiceApiClass.getSimpleName();
                    final String explanation = new StringBuilder().append(controllerServiceType).append(" - ").append(controllerServiceCoordinate.getVersion()).append(" from ").append(controllerServiceCoordinate.getGroup()).append(" - ").append(controllerServiceCoordinate.getId()).append(" is not compatible with ").append(controllerServiceApiType).append(" - ").append(controllerServiceApiCoordinate.getVersion()).append(" from ").append(controllerServiceApiCoordinate.getGroup()).append(" - ").append(controllerServiceApiCoordinate.getId()).toString();
                    addValidationError.accept(explanation);
                }
            }
        }
        return validationResults;
    }
}

Example 47 with NarCloseable

use of org.apache.nifi.nar.NarCloseable in project nifi-minifi by apache.

the class ProcessorInitializer method initialize.

@Override
public void initialize(ConfigurableComponent component) {
    Processor processor = (Processor) component;
    ProcessorInitializationContext initializationContext = new MockProcessorInitializationContext();
    try (NarCloseable narCloseable = NarCloseable.withComponentNarLoader(component.getClass(), initializationContext.getIdentifier())) {
        processor.initialize(initializationContext);
    }
}

Example 48 with NarCloseable

use of org.apache.nifi.nar.NarCloseable in project nifi-minifi by apache.

the class ControllerServiceInitializer method initialize.

@Override
public void initialize(ConfigurableComponent component) throws InitializationException {
    ControllerService controllerService = (ControllerService) component;
    ControllerServiceInitializationContext context = new MockControllerServiceInitializationContext();
    try (NarCloseable narCloseable = NarCloseable.withComponentNarLoader(component.getClass(), context.getIdentifier())) {
        controllerService.initialize(context);
    }
}