Examples with UnidirectionalEvent io.github.microcks.domain.UnidirectionalEvent used on opensource projects

Example 6 with UnidirectionalEvent

use of io.github.microcks.domain.UnidirectionalEvent in project microcks by microcks.

the class ServiceService method importServiceDefinition.

/**
 * Import definitions of services and bounded resources and messages into Microcks
 * repository. This uses a MockRepositoryImporter under hood.
 * @param repositoryFile The File for mock repository.
 * @param referenceResolver The Resolver to be used during import (may be null).
 * @param artifactInfo The essential information on Artifact to import.
 * @return The list of imported Services
 * @throws MockRepositoryImportException if something goes wrong (URL not reachable nor readable, etc...)
 */
public List<Service> importServiceDefinition(File repositoryFile, ReferenceResolver referenceResolver, ArtifactInfo artifactInfo) throws MockRepositoryImportException {
    // Retrieve the correct importer based on file path.
    MockRepositoryImporter importer = null;
    try {
        importer = MockRepositoryImporterFactory.getMockRepositoryImporter(repositoryFile, referenceResolver);
    } catch (IOException ioe) {
        log.error("Exception while accessing file " + repositoryFile.getPath(), ioe);
        throw new MockRepositoryImportException(ioe.getMessage(), ioe);
    }
    Service reference = null;
    boolean serviceUpdate = false;
    List<Service> services = importer.getServiceDefinitions();
    for (Service service : services) {
        Service existingService = serviceRepository.findByNameAndVersion(service.getName(), service.getVersion());
        log.debug("Service [{}, {}] exists ? {}", service.getName(), service.getVersion(), existingService != null);
        // If it's the main artifact: retrieve previous id and props if update, save anyway.
        if (artifactInfo.isMainArtifact()) {
            if (existingService != null) {
                // Retrieve its previous identifier and metadatas
                // (backup metadata that may have been imported with extensions).
                Metadata backup = service.getMetadata();
                service.setId(existingService.getId());
                service.setMetadata(existingService.getMetadata());
                // If there was metadata found through extensions, overwrite historical ones.
                if (backup != null) {
                    existingService.getMetadata().setLabels(backup.getLabels());
                    existingService.getMetadata().setAnnotations(backup.getAnnotations());
                }
                // Keep its overriden operation properties.
                copyOverridenOperations(existingService, service);
                serviceUpdate = true;
            }
            if (service.getMetadata() == null) {
                service.setMetadata(new Metadata());
            }
            // For services of type EVENT, we should put default values on frequency and bindings.
            if (service.getType().equals(ServiceType.EVENT)) {
                manageEventServiceDefaults(service);
            }
            service.getMetadata().objectUpdated();
            service.setSourceArtifact(artifactInfo.getArtifactName());
            service = serviceRepository.save(service);
            // We're dealing with main artifact so reference is saved or updated one.
            reference = service;
        } else {
            // It's a secondary artifact just for messages or metadata. We'll have problems if not having an existing service...
            if (existingService == null) {
                log.warn("Trying to import {} as a secondary artifact but there's no existing [{}, {}] Service. Just skipping.", artifactInfo.getArtifactName(), service.getName(), service.getVersion());
                break;
            }
            // update the existing service with them.
            if (service.getMetadata() != null) {
                existingService.getMetadata().setLabels(service.getMetadata().getLabels());
                existingService.getMetadata().setAnnotations(service.getMetadata().getAnnotations());
            }
            for (Operation operation : service.getOperations()) {
                Operation existingOp = existingService.getOperations().stream().filter(op -> op.getName().equals(operation.getName())).findFirst().orElse(null);
                if (existingOp != null) {
                    if (operation.getDefaultDelay() != null) {
                        existingOp.setDefaultDelay(operation.getDefaultDelay());
                    }
                    if (operation.getDispatcher() != null) {
                        existingOp.setDispatcher(operation.getDispatcher());
                    }
                    if (operation.getDispatcherRules() != null) {
                        existingOp.setDispatcherRules(operation.getDispatcherRules());
                    }
                }
            }
            // We're dealing with secondary artifact so reference is the pre-existing one.
            // Moreover, we should replace current imported service (unbound/unsaved)
            // by reference in the results list.
            reference = existingService;
            services.remove(service);
            services.add(reference);
        }
        // Remove resources previously attached to service.
        List<Resource> existingResources = resourceRepository.findByServiceIdAndSourceArtifact(reference.getId(), artifactInfo.getArtifactName());
        if (existingResources != null && existingResources.size() > 0) {
            resourceRepository.deleteAll(existingResources);
        }
        // Save new resources.
        List<Resource> resources = importer.getResourceDefinitions(service);
        for (Resource resource : resources) {
            resource.setServiceId(reference.getId());
            resource.setSourceArtifact(artifactInfo.getArtifactName());
        }
        resourceRepository.saveAll(resources);
        for (Operation operation : reference.getOperations()) {
            String operationId = IdBuilder.buildOperationId(reference, operation);
            // Remove messages previously attached to service.
            requestRepository.deleteAll(requestRepository.findByOperationIdAndSourceArtifact(operationId, artifactInfo.getArtifactName()));
            responseRepository.deleteAll(responseRepository.findByOperationIdAndSourceArtifact(operationId, artifactInfo.getArtifactName()));
            eventMessageRepository.deleteAll(eventMessageRepository.findByOperationIdAndSourceArtifact(operationId, artifactInfo.getArtifactName()));
            List<Exchange> exchanges = importer.getMessageDefinitions(service, operation);
            for (Exchange exchange : exchanges) {
                if (exchange instanceof RequestResponsePair) {
                    RequestResponsePair pair = (RequestResponsePair) exchange;
                    // Associate request and response with operation and artifact.
                    pair.getRequest().setOperationId(operationId);
                    pair.getResponse().setOperationId(operationId);
                    pair.getRequest().setSourceArtifact(artifactInfo.getArtifactName());
                    pair.getResponse().setSourceArtifact(artifactInfo.getArtifactName());
                    // Save response and associate request with response before saving it.
                    responseRepository.save(pair.getResponse());
                    pair.getRequest().setResponseId(pair.getResponse().getId());
                    requestRepository.save(pair.getRequest());
                } else if (exchange instanceof UnidirectionalEvent) {
                    UnidirectionalEvent event = (UnidirectionalEvent) exchange;
                    // Associate event message with operation and artifact before saving it..
                    event.getEventMessage().setOperationId(operationId);
                    event.getEventMessage().setSourceArtifact(artifactInfo.getArtifactName());
                    eventMessageRepository.save(event.getEventMessage());
                }
            }
        }
        // When extracting message information, we may have modified Operation because discovered new resource paths
        // depending on variable URI parts. As a consequence, we got to update Service in repository.
        serviceRepository.save(reference);
        // Publish a Service update event before returning.
        publishServiceChangeEvent(reference, serviceUpdate ? ChangeType.UPDATED : ChangeType.CREATED);
    }
    log.info("Having imported {} services definitions into repository", services.size());
    return services;
}