Examples with Relationship io.crnk.core.engine.document.Relationship used on opensource projects

Example 31 with Relationship

use of io.crnk.core.engine.document.Relationship 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 32 with Relationship

use of io.crnk.core.engine.document.Relationship in project crnk-framework by crnk-project.

the class IncludeLookupSetter method populateField.

private void populateField(ResourceField resourceField, QueryAdapter queryAdapter, List<ResourceField> fieldPath, PopulatedCache populatedCache, Collection<Resource> resourceList, Set<String> fieldsWithEnforceIdSerialization, RepositoryMethodParameterProvider parameterProvider, Map<ResourceIdentifier, Resource> resourceMap, Map<ResourceIdentifier, Object> entityMap, Set<ResourceIdentifier> inclusions, ResourceMappingConfig resourceMappingConfig) {
    ResourceInformation resourceInformation = resourceField.getParentResourceInformation();
    boolean includeRequested = util.isInclusionRequested(queryAdapter, fieldPath);
    boolean includeResources = includeRequested || resourceField.getSerializeType() == SerializeType.EAGER;
    boolean includeRelationId = resourceField.getSerializeType() != SerializeType.LAZY || fieldsWithEnforceIdSerialization.contains(resourceField.getJsonName());
    boolean includeRelationshipData = includeRelationId || includeResources;
    if (includeRelationshipData) {
        Collection<Resource> unpopulatedResourceList = populatedCache.filterProcessed(resourceList, resourceField);
        if (!unpopulatedResourceList.isEmpty()) {
            // only handle resources from the proper subtype where the
            // relationship is desired to be loaded
            List<Resource> resourcesByType = util.filterByType(unpopulatedResourceList, resourceInformation);
            List<Resource> resourcesWithField = util.filterByLoadedRelationship(resourcesByType, resourceField);
            // lookup resources by inspecting the POJOs in entityMap
            LookupIncludeBehavior fieldLookupIncludeBehavior = resourceField.getLookupIncludeAutomatically();
            Set<Resource> populatedResources;
            if (!includeResources && resourceField.hasIdField()) {
                // fill in @JsonApiRelationId into Relationship where possible
                fetchRelationFromEntity(resourcesWithField, resourceField, queryAdapter, resourceMap, entityMap, false, false, includeResources, resourceMappingConfig);
                // only ID is required and no lookup must take place
                // nothing to do
                populatedResources = Collections.emptySet();
            } else if (fieldLookupIncludeBehavior == LookupIncludeBehavior.AUTOMATICALLY_ALWAYS) {
                // fill in @JsonApiRelationId into Relationship where possible
                fetchRelationFromEntity(resourcesWithField, resourceField, queryAdapter, resourceMap, entityMap, false, false, includeResources, resourceMappingConfig);
                // lookup resources by making repository calls
                populatedResources = lookupRelatedResource(resourcesWithField, resourceField, queryAdapter, parameterProvider, resourceMap, entityMap, resourceMappingConfig);
            } else if (fieldLookupIncludeBehavior == LookupIncludeBehavior.AUTOMATICALLY_WHEN_NULL) {
                // try to populate from entities
                Set<Resource> extractedResources = fetchRelationFromEntity(resourcesWithField, resourceField, queryAdapter, resourceMap, entityMap, true, true, includeResources, resourceMappingConfig);
                // do lookups where relationship data is null
                Collection<Resource> resourcesForLookup = util.findResourcesWithoutRelationshipToLoad(resourcesWithField, resourceField, resourceMap);
                Collection<Resource> lookedupResources = lookupRelatedResource(resourcesForLookup, resourceField, queryAdapter, parameterProvider, resourceMap, entityMap, resourceMappingConfig);
                populatedResources = util.union(lookedupResources, extractedResources);
            } else {
                // do not do any lookups
                populatedResources = fetchRelationFromEntity(resourcesWithField, resourceField, queryAdapter, resourceMap, entityMap, false, true, includeResources, resourceMappingConfig);
                // and be sure.
                if (!Iterable.class.isAssignableFrom(resourceField.getType())) {
                    Nullable<Object> emptyData = Nullable.nullValue();
                    for (Resource resourceWithField : resourcesWithField) {
                        Relationship relationship = resourceWithField.getRelationships().get(resourceField.getJsonName());
                        if (!relationship.getData().isPresent()) {
                            relationship.setData(emptyData);
                        }
                    }
                }
            }
            // such
            if (includeResources && !populatedResources.isEmpty()) {
                inclusions.addAll(util.toIds(populatedResources));
                Set<String> additionalEagerLoadedNestedRelations = Collections.emptySet();
                populate(populatedResources, inclusions, resourceMap, entityMap, fieldPath, queryAdapter, parameterProvider, additionalEagerLoadedNestedRelations, populatedCache, resourceMappingConfig);
            }
        }
    }
}

Example 33 with Relationship

use of io.crnk.core.engine.document.Relationship in project crnk-framework by crnk-project.

the class CollectionGetTest method onGivenRequestResourceShouldLoadAutoIncludeFields.

@Test
public void onGivenRequestResourceShouldLoadAutoIncludeFields() throws Exception {
    // GIVEN
    Document newTaskBody = new Document();
    Resource data = createTask();
    newTaskBody.setData(Nullable.of((Object) data));
    JsonPath taskPath = pathBuilder.build("/tasks");
    ResourcePost resourcePost = new ResourcePost(resourceRegistry, PROPERTIES_PROVIDER, typeParser, objectMapper, documentMapper, new ArrayList<ResourceModificationFilter>());
    // WHEN -- adding a task
    Response taskResponse = resourcePost.handle(taskPath, emptyTaskQuery, null, newTaskBody);
    // THEN
    assertThat(taskResponse.getDocument().getSingleData().get().getType()).isEqualTo("tasks");
    Long taskId = Long.parseLong(taskResponse.getDocument().getSingleData().get().getId());
    assertThat(taskId).isNotNull();
    /* ------- */
    // GIVEN
    Document newProjectBody = new Document();
    data = createProject();
    newProjectBody.setData(Nullable.of((Object) data));
    JsonPath projectPath = pathBuilder.build("/projects");
    // WHEN -- adding a project
    Response projectResponse = resourcePost.handle(projectPath, emptyProjectQuery, null, newProjectBody);
    // THEN
    assertThat(projectResponse.getDocument().getSingleData().get().getType()).isEqualTo("projects");
    assertThat(projectResponse.getDocument().getSingleData().get().getId()).isNotNull();
    assertThat(projectResponse.getDocument().getSingleData().get().getAttributes().get("name").asText()).isEqualTo("sample project");
    Long projectId = Long.parseLong(projectResponse.getDocument().getSingleData().get().getId());
    assertThat(projectId).isNotNull();
    /* ------- */
    // GIVEN
    Document newTaskToProjectBody = new Document();
    data = new Resource();
    newTaskToProjectBody.setData(Nullable.of((Object) Collections.singletonList(data)));
    data.setType("projects");
    data.setId(projectId.toString());
    JsonPath savedTaskPath = pathBuilder.build("/tasks/" + taskId + "/relationships/includedProjects");
    RelationshipsResourcePost sut = new RelationshipsResourcePost(resourceRegistry, typeParser, new ArrayList<ResourceModificationFilter>());
    // WHEN -- adding a relation between task and project
    Response projectRelationshipResponse = sut.handle(savedTaskPath, emptyProjectQuery, null, newTaskToProjectBody);
    assertThat(projectRelationshipResponse).isNotNull();
    // THEN
    TaskToProjectRepository taskToProjectRepository = new TaskToProjectRepository();
    Project project = taskToProjectRepository.findOneTarget(taskId, "includedProjects", new QueryParams());
    assertThat(project.getId()).isEqualTo(projectId);
    // Given
    JsonPath jsonPath = pathBuilder.build("/tasks/" + taskId);
    ResourceGet responseGetResp = new ResourceGet(resourceRegistry, typeParser, documentMapper);
    Map<String, Set<String>> queryParams = new HashMap<>();
    queryParams.put(RestrictedQueryParamsMembers.include.name() + "[tasks]", Collections.singleton("includedProjects"));
    QueryParams queryParams1 = new QueryParamsBuilder(new DefaultQueryParamsParser()).buildQueryParams(queryParams);
    // WHEN
    Response response = responseGetResp.handle(jsonPath, new QueryParamsAdapter(resourceRegistry.getEntry(Task.class).getResourceInformation(), queryParams1, moduleRegistry), null, null);
    // THEN
    Assert.assertNotNull(response);
    data = response.getDocument().getSingleData().get();
    assertThat(data.getType()).isEqualTo("tasks");
    Relationship relationship = data.getRelationships().get("includedProjects");
    assertThat(relationship.getCollectionData()).isNotNull();
    assertThat(relationship.getCollectionData().get().size()).isEqualTo(1);
    assertThat(relationship.getCollectionData().get().get(0).getId()).isEqualTo(projectId.toString());
}

Example 34 with Relationship

use of io.crnk.core.engine.document.Relationship in project crnk-framework by crnk-project.

the class ResourcePatchTest method onUpdatedLazyRelationshipDataShouldReturnThatData.

@Test
public void onUpdatedLazyRelationshipDataShouldReturnThatData() throws Exception {
    // GIVEN
    Document newTaskBody = new Document();
    Resource data = createTask();
    newTaskBody.setData(Nullable.of((Object) data));
    data.setType("tasks");
    JsonPath taskPath = pathBuilder.build("/tasks");
    ResourcePost post = new ResourcePost(resourceRegistry, PROPERTIES_PROVIDER, typeParser, objectMapper, documentMapper, modificationFilters);
    Response taskResponse = post.handle(taskPath, emptyTaskQuery, null, newTaskBody);
    Long taskId = Long.parseLong(taskResponse.getDocument().getSingleData().get().getId());
    Document newProjectBody = new Document();
    data = createProject();
    data.setType("projects");
    data.getRelationships().put("tasks", new Relationship(Collections.singletonList(new ResourceIdentifier(taskId.toString(), "tasks"))));
    newProjectBody.setData(Nullable.of((Object) data));
    JsonPath projectsPath = pathBuilder.build("/projects");
    Response projectsResponse = post.handle(projectsPath, emptyProjectQuery, null, newProjectBody);
    assertThat(projectsResponse.getDocument().getSingleData().get().getRelationships().get("tasks").getCollectionData().get()).hasSize(1);
    // update relationship and availability in response
    ResourcePatch patch = new ResourcePatch(resourceRegistry, PROPERTIES_PROVIDER, typeParser, objectMapper, documentMapper, modificationFilters);
    Nullable<Object> emptyRelation = Nullable.of((Object) new ArrayList<ResourceIdentifier>());
    data.getRelationships().get("tasks").setData(emptyRelation);
    projectsResponse = patch.handle(pathBuilder.build("/projects/2"), emptyProjectQuery, null, newProjectBody);
    assertThat(projectsResponse.getDocument().getSingleData().get().getType()).isEqualTo("projects");
    assertThat(projectsResponse.getDocument().getSingleData().get().getAttributes().get("name").asText()).isEqualTo("sample project");
    assertThat(projectsResponse.getDocument().getSingleData().get().getRelationships().get("tasks").getCollectionData().get()).hasSize(0);
}

Example 35 with Relationship

use of io.crnk.core.engine.document.Relationship in project crnk-framework by crnk-project.

the class ResourcePatchTest method onUnchagedLazyRelationshipDataShouldNotReturnThatData.

@Test
public void onUnchagedLazyRelationshipDataShouldNotReturnThatData() throws Exception {
    // GIVEN
    Document newTaskBody = new Document();
    Resource data = createTask();
    newTaskBody.setData(Nullable.of((Object) data));
    data.setType("tasks");
    JsonPath taskPath = pathBuilder.build("/tasks");
    ResourcePost post = new ResourcePost(resourceRegistry, PROPERTIES_PROVIDER, typeParser, objectMapper, documentMapper, modificationFilters);
    Response taskResponse = post.handle(taskPath, emptyTaskQuery, null, newTaskBody);
    Long taskId = Long.parseLong(taskResponse.getDocument().getSingleData().get().getId());
    Document newProjectBody = new Document();
    data = createProject();
    data.setType("projects");
    data.getRelationships().put("tasks", new Relationship(Collections.singletonList(new ResourceIdentifier(taskId.toString(), "tasks"))));
    newProjectBody.setData(Nullable.of((Object) data));
    JsonPath projectsPath = pathBuilder.build("/projects");
    Response projectsResponse = post.handle(projectsPath, emptyProjectQuery, null, newProjectBody);
    assertThat(projectsResponse.getDocument().getSingleData().get().getRelationships().get("tasks").getCollectionData().get()).hasSize(1);
    // update relationship and availability in response
    ResourcePatch patch = new ResourcePatch(resourceRegistry, PROPERTIES_PROVIDER, typeParser, objectMapper, documentMapper, modificationFilters);
    data.getRelationships().remove("tasks");
    data.getAttributes().put("name", objectMapper.readTree("\"updated project\""));
    projectsResponse = patch.handle(pathBuilder.build("/projects/2"), emptyProjectQuery, null, newProjectBody);
    assertThat(projectsResponse.getDocument().getSingleData().get().getType()).isEqualTo("projects");
    assertThat(projectsResponse.getDocument().getSingleData().get().getAttributes().get("name").asText()).isEqualTo("updated project");
    assertThat(projectsResponse.getDocument().getSingleData().get().getRelationships().get("tasks").getCollectionData().isPresent()).isFalse();
}