Examples with RelationshipRepositoryAdapter io.crnk.core.engine.internal.repository.RelationshipRepositoryAdapter used on opensource projects

Example 11 with RelationshipRepositoryAdapter

use of io.crnk.core.engine.internal.repository.RelationshipRepositoryAdapter in project crnk-framework by crnk-project.

the class IncludeLookupSetter method lookupRelatedResourceWithRelationship.

private Set<Resource> lookupRelatedResourceWithRelationship(Collection<Resource> sourceResources, ResourceField relationshipField, QueryAdapter queryAdapter, RepositoryMethodParameterProvider parameterProvider, Map<ResourceIdentifier, Resource> resourceMap, Map<ResourceIdentifier, Object> entityMap, ResourceMappingConfig resourceMappingConfig) {
    ResourceInformation resourceInformation = relationshipField.getParentResourceInformation();
    RegistryEntry registyEntry = resourceRegistry.getEntry(resourceInformation.getResourceType());
    List<Serializable> resourceIds = getIds(sourceResources, resourceInformation);
    boolean isMany = Iterable.class.isAssignableFrom(relationshipField.getType());
    Set<Resource> loadedTargets = new HashSet<>();
    @SuppressWarnings("rawtypes") RelationshipRepositoryAdapter relationshipRepository = registyEntry.getRelationshipRepository(relationshipField, parameterProvider);
    if (relationshipRepository != null) {
        Map<Object, JsonApiResponse> responseMap;
        if (isMany) {
            responseMap = relationshipRepository.findBulkManyTargets(resourceIds, relationshipField, queryAdapter);
        } else {
            responseMap = relationshipRepository.findBulkOneTargets(resourceIds, relationshipField, queryAdapter);
        }
        for (Resource sourceResource : sourceResources) {
            Serializable sourceId = resourceInformation.parseIdString(sourceResource.getId());
            JsonApiResponse targetResponse = responseMap.get(sourceId);
            if (targetResponse != null && targetResponse.getEntity() != null) {
                Object targetEntity = targetResponse.getEntity();
                List<Resource> targets = setupRelation(sourceResource, relationshipField, targetEntity, queryAdapter, resourceMap, entityMap, resourceMappingConfig);
                loadedTargets.addAll(targets);
            } else {
                Nullable<Object> emptyData = (Nullable) Nullable.of(Iterable.class.isAssignableFrom(relationshipField.getType()) ? Collections.emptyList() : null);
                Relationship relationship = sourceResource.getRelationships().get(relationshipField.getJsonName());
                relationship.setData(emptyData);
            }
        }
    } else {
        throw new RepositoryNotFoundException("no relationship repository found for " + resourceInformation.getResourceType() + "." + relationshipField.getUnderlyingName());
    }
    return loadedTargets;
}

Example 12 with RelationshipRepositoryAdapter

use of io.crnk.core.engine.internal.repository.RelationshipRepositoryAdapter in project crnk-framework by crnk-project.

the class RelationshipsResourceGet method handle.

@Override
public Response handle(JsonPath jsonPath, QueryAdapter queryAdapter, RepositoryMethodParameterProvider parameterProvider, Document requestBody) {
    String resourceName = jsonPath.getResourceType();
    PathIds resourceIds = jsonPath.getIds();
    RegistryEntry registryEntry = resourceRegistry.getEntry(resourceName);
    Serializable castedResourceId = getResourceId(resourceIds, registryEntry);
    String elementName = jsonPath.getElementName();
    ResourceField relationshipField = registryEntry.getResourceInformation().findRelationshipFieldByName(elementName);
    verifyFieldNotNull(relationshipField, elementName);
    boolean isCollection = Iterable.class.isAssignableFrom(relationshipField.getType());
    RelationshipRepositoryAdapter relationshipRepositoryForClass = registryEntry.getRelationshipRepository(relationshipField, parameterProvider);
    JsonApiResponse entities;
    if (isCollection) {
        entities = relationshipRepositoryForClass.findManyTargets(castedResourceId, relationshipField, queryAdapter);
    } else {
        entities = relationshipRepositoryForClass.findOneTarget(castedResourceId, relationshipField, queryAdapter);
    }
    Document responseDocument = documentMapper.toDocument(entities, queryAdapter, parameterProvider);
    // return explicit { data : null } if values found
    if (!responseDocument.getData().isPresent()) {
        responseDocument.setData(Nullable.nullValue());
    }
    return new Response(responseDocument, 200);
}