Examples with EntityDictionary com.yahoo.elide.core.dictionary.EntityDictionary used on opensource projects

Example 26 with EntityDictionary

use of com.yahoo.elide.core.dictionary.EntityDictionary in project elide by yahoo.

the class PersistentResource method loadRecords.

/**
 * Load a collection from the datastore.
 *
 * @param projection   the projection to load
 * @param requestScope the request scope
 * @param ids          a list of object identifiers to optionally load.  Can be empty.
 * @return a filtered collection of resources loaded from the datastore.
 */
public static Observable<PersistentResource> loadRecords(EntityProjection projection, List<String> ids, RequestScope requestScope) {
    Type<?> loadClass = projection.getType();
    Pagination pagination = projection.getPagination();
    Sorting sorting = projection.getSorting();
    FilterExpression filterExpression = projection.getFilterExpression();
    EntityDictionary dictionary = requestScope.getDictionary();
    DataStoreTransaction tx = requestScope.getTransaction();
    if (shouldSkipCollection(loadClass, ReadPermission.class, requestScope, projection.getRequestedFields())) {
        if (ids.isEmpty()) {
            return Observable.empty();
        }
        throw new InvalidObjectIdentifierException(ids.toString(), dictionary.getJsonAliasFor(loadClass));
    }
    Set<String> requestedFields = projection.getRequestedFields();
    if (pagination != null && !pagination.isDefaultInstance() && !CanPaginateVisitor.canPaginate(loadClass, dictionary, requestScope, requestedFields)) {
        throw new BadRequestException(String.format("Cannot paginate %s", dictionary.getJsonAliasFor(loadClass)));
    }
    Set<PersistentResource> newResources = new LinkedHashSet<>();
    if (!ids.isEmpty()) {
        String typeAlias = dictionary.getJsonAliasFor(loadClass);
        newResources = requestScope.getNewPersistentResources().stream().filter(resource -> typeAlias.equals(resource.getTypeName()) && ids.contains(resource.getUUID().orElse(""))).collect(Collectors.toSet());
        FilterExpression idExpression = buildIdFilterExpression(ids, loadClass, dictionary, requestScope);
        // Combine filters if necessary
        filterExpression = Optional.ofNullable(filterExpression).map(fe -> (FilterExpression) new AndFilterExpression(idExpression, fe)).orElse(idExpression);
    }
    Optional<FilterExpression> permissionFilter = getPermissionFilterExpression(loadClass, requestScope, requestedFields);
    if (permissionFilter.isPresent()) {
        if (filterExpression != null) {
            filterExpression = new AndFilterExpression(filterExpression, permissionFilter.get());
        } else {
            filterExpression = permissionFilter.get();
        }
    }
    EntityProjection modifiedProjection = projection.copyOf().filterExpression(filterExpression).sorting(sorting).pagination(pagination).build();
    Observable<PersistentResource> existingResources = filter(ReadPermission.class, Optional.ofNullable(modifiedProjection.getFilterExpression()), projection.getRequestedFields(), Observable.fromIterable(new PersistentResourceSet(tx.loadObjects(modifiedProjection, requestScope), requestScope)));
    // TODO: Sort again in memory now that two sets are glommed together?
    Observable<PersistentResource> allResources = Observable.fromIterable(newResources).mergeWith(existingResources);
    Set<String> foundIds = new HashSet<>();
    allResources = allResources.doOnNext((resource) -> {
        String id = (String) resource.getUUID().orElseGet(resource::getId);
        if (ids.contains(id)) {
            foundIds.add(id);
        }
    });
    allResources = allResources.doOnComplete(() -> {
        Set<String> missedIds = Sets.difference(new HashSet<>(ids), foundIds);
        if (!missedIds.isEmpty()) {
            throw new InvalidObjectIdentifierException(missedIds.toString(), dictionary.getJsonAliasFor(loadClass));
        }
    });
    return allResources;
}

Example 27 with EntityDictionary

use of com.yahoo.elide.core.dictionary.EntityDictionary in project elide by yahoo.

the class PersistentResource method loadRecord.

/**
 * Load an single entity from the DB.
 *
 * @param projection   What to load from the DB.
 * @param id           the id
 * @param requestScope the request scope
 * @param <T>          type of resource
 * @return resource persistent resource
 * @throws InvalidObjectIdentifierException the invalid object identifier exception
 */
@SuppressWarnings("resource")
@NonNull
public static <T> PersistentResource<T> loadRecord(EntityProjection projection, String id, RequestScope requestScope) throws InvalidObjectIdentifierException {
    Preconditions.checkNotNull(projection);
    Preconditions.checkNotNull(id);
    Preconditions.checkNotNull(requestScope);
    DataStoreTransaction tx = requestScope.getTransaction();
    EntityDictionary dictionary = requestScope.getDictionary();
    Type<?> loadClass = projection.getType();
    // Check the resource cache if exists
    Object obj = requestScope.getObjectById(loadClass, id);
    if (obj == null) {
        // try to load object
        Optional<FilterExpression> permissionFilter = getPermissionFilterExpression(loadClass, requestScope, projection.getRequestedFields());
        Type<?> idType = dictionary.getIdType(loadClass);
        projection = projection.copyOf().filterExpression(permissionFilter.orElse(null)).build();
        obj = tx.loadObject(projection, (Serializable) CoerceUtil.coerce(id, idType), requestScope);
        if (obj == null) {
            throw new InvalidObjectIdentifierException(id, dictionary.getJsonAliasFor(loadClass));
        }
    }
    PersistentResource<T> resource = new PersistentResource<>((T) obj, requestScope.getUUIDFor(obj), requestScope);
    // No need to have read access for a newly created object
    if (!requestScope.getNewResources().contains(resource)) {
        resource.checkFieldAwarePermissions(ReadPermission.class, projection.getRequestedFields());
    }
    return resource;
}

Example 28 with EntityDictionary

use of com.yahoo.elide.core.dictionary.EntityDictionary in project elide by yahoo.

the class DefaultAsyncAPIDAOTest method setupMocks.

@BeforeEach
public void setupMocks() {
    dataStore = mock(DataStore.class);
    asyncQuery = mock(AsyncQuery.class);
    asyncQueryResult = mock(AsyncQueryResult.class);
    filter = mock(FilterExpression.class);
    tx = mock(DataStoreTransaction.class);
    Map<String, Class<? extends Check>> checkMappings = new HashMap<>();
    EntityDictionary dictionary = EntityDictionary.builder().checks(checkMappings).build();
    dictionary.bindEntity(AsyncQuery.class);
    dictionary.bindEntity(AsyncQueryResult.class);
    ElideSettings elideSettings = new ElideSettingsBuilder(dataStore).withEntityDictionary(dictionary).withJoinFilterDialect(RSQLFilterDialect.builder().dictionary(dictionary).build()).withSubqueryFilterDialect(RSQLFilterDialect.builder().dictionary(dictionary).build()).withISO8601Dates("yyyy-MM-dd'T'HH:mm'Z'", TimeZone.getTimeZone("UTC")).build();
    elide = new Elide(elideSettings);
    when(dataStore.beginTransaction()).thenReturn(tx);
    asyncAPIDAO = new DefaultAsyncAPIDAO(elide.getElideSettings(), dataStore);
}

Example 29 with EntityDictionary

use of com.yahoo.elide.core.dictionary.EntityDictionary in project elide by yahoo.

the class AggregationDataStoreTransactionTest method testMissingRequiredTableFilter.

@Test
public void testMissingRequiredTableFilter() {
    EntityDictionary dictionary = EntityDictionary.builder().build();
    dictionary.bindEntity(PlayerStatsWithRequiredFilter.class);
    Table table = new SQLTable(new Namespace(DEFAULT_NAMESPACE), ClassType.of(PlayerStatsWithRequiredFilter.class), dictionary);
    AggregationDataStoreTransaction tx = new AggregationDataStoreTransaction(queryEngine, cache, queryLogger);
    assertThrows(BadRequestException.class, () -> tx.addTableFilterArguments(table, query, dictionary));
}

Example 30 with EntityDictionary

use of com.yahoo.elide.core.dictionary.EntityDictionary in project elide by yahoo.

the class AggregationDataStoreTransactionTest method testMissingRequiredColumnFilter.

@Test
public void testMissingRequiredColumnFilter() throws Exception {
    Type<PlayerStatsWithRequiredFilter> tableType = ClassType.of(PlayerStatsWithRequiredFilter.class);
    EntityDictionary dictionary = EntityDictionary.builder().build();
    dictionary.bindEntity(PlayerStatsWithRequiredFilter.class);
    SQLTable table = new SQLTable(new Namespace(DEFAULT_NAMESPACE), tableType, dictionary);
    Query query = Query.builder().column(SQLMetricProjection.builder().name("highScore").build()).source(table).build();
    AggregationDataStoreTransaction tx = new AggregationDataStoreTransaction(queryEngine, cache, queryLogger);
    assertThrows(BadRequestException.class, () -> tx.addColumnFilterArguments(table, query, dictionary));
}