Examples with EntityProjection com.yahoo.elide.core.request.EntityProjection used on opensource projects

Example 36 with EntityProjection

use of com.yahoo.elide.core.request.EntityProjection in project elide by yahoo.

the class DataStoreSupportsFilteringTest method testPrefixOperator.

@Test
public void testPrefixOperator() throws Exception {
    DataStoreTransaction testTransaction = searchStore.beginReadTransaction();
    FilterPredicate filter = (FilterPredicate) filterParser.parseFilterExpression("name==drum*", ClassType.of(Item.class), false);
    EntityProjection projection = EntityProjection.builder().type(Item.class).filterExpression(filter).build();
    DataStoreIterable<Object> loaded = testTransaction.loadObjects(projection, mockScope);
    assertTrue(loaded.needsInMemoryFilter());
    assertTrue(loaded.needsInMemoryPagination());
    assertTrue(loaded.needsInMemorySort());
    verify(wrappedTransaction, times(0)).loadObjects(any(), any());
}

Example 37 with EntityProjection

use of com.yahoo.elide.core.request.EntityProjection in project elide by yahoo.

the class DataStoreSupportsFilteringTest method testNgramTooSmall.

@Test
public void testNgramTooSmall() throws Exception {
    DataStoreTransaction testTransaction = searchStore.beginReadTransaction();
    FilterPredicate filter = (FilterPredicate) filterParser.parseFilterExpression("description==*ru*", ClassType.of(Item.class), false);
    EntityProjection projection = EntityProjection.builder().type(Item.class).filterExpression(filter).build();
    assertThrows(InvalidValueException.class, () -> testTransaction.loadObjects(projection, mockScope));
}

Example 38 with EntityProjection

use of com.yahoo.elide.core.request.EntityProjection 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 39 with EntityProjection

use of com.yahoo.elide.core.request.EntityProjection in project elide by yahoo.

the class CSVExportFormatterTest method testProjectionWithNullAttributesHeader.

@Test
public void testProjectionWithNullAttributesHeader() {
    CSVExportFormatter formatter = new CSVExportFormatter(elide, false);
    TableExport queryObj = new TableExport();
    // Prepare EntityProjection
    Set<Attribute> attributes = null;
    EntityProjection projection = EntityProjection.builder().type(TableExport.class).attributes(attributes).build();
    String output = formatter.preFormat(projection, queryObj);
    assertEquals("", output);
}

Example 40 with EntityProjection

use of com.yahoo.elide.core.request.EntityProjection in project elide by yahoo.

the class CSVExportFormatterTest method testResourceToCSV.

@Test
public void testResourceToCSV() {
    CSVExportFormatter formatter = new CSVExportFormatter(elide, false);
    TableExport queryObj = new TableExport();
    String query = "{ tableExport { edges { node { query queryType createdOn} } } }";
    String id = "edc4a871-dff2-4054-804e-d80075cf827d";
    queryObj.setId(id);
    queryObj.setQuery(query);
    queryObj.setQueryType(QueryType.GRAPHQL_V1_0);
    queryObj.setResultType(ResultType.CSV);
    String row = "\"{ tableExport { edges { node { query queryType createdOn} } } }\", \"GRAPHQL_V1_0\"" + ", \"" + FORMATTER.format(queryObj.getCreatedOn());
    // Prepare EntityProjection
    Set<Attribute> attributes = new LinkedHashSet<>();
    attributes.add(Attribute.builder().type(TableExport.class).name("query").alias("query").build());
    attributes.add(Attribute.builder().type(TableExport.class).name("queryType").build());
    attributes.add(Attribute.builder().type(TableExport.class).name("createdOn").build());
    EntityProjection projection = EntityProjection.builder().type(TableExport.class).attributes(attributes).build();
    Map<String, Object> resourceAttributes = new LinkedHashMap<>();
    resourceAttributes.put("query", query);
    resourceAttributes.put("queryType", queryObj.getQueryType());
    resourceAttributes.put("createdOn", queryObj.getCreatedOn());
    Resource resource = new Resource("tableExport", "0", resourceAttributes, null, null, null);
    PersistentResource persistentResource = mock(PersistentResource.class);
    when(persistentResource.getObject()).thenReturn(queryObj);
    when(persistentResource.getRequestScope()).thenReturn(scope);
    when(persistentResource.toResource(any(), any())).thenReturn(resource);
    when(scope.getEntityProjection()).thenReturn(projection);
    String output = formatter.format(persistentResource, 1);
    assertTrue(output.contains(row));
}