Examples with DatastorePersistentProperty com.google.cloud.spring.data.datastore.core.mapping.DatastorePersistentProperty used on opensource projects

Example 1 with DatastorePersistentProperty

use of com.google.cloud.spring.data.datastore.core.mapping.DatastorePersistentProperty in project spring-cloud-gcp by GoogleCloudPlatform.

the class DatastoreTemplate method getReferenceEntitiesForSave.

private List<Entity> getReferenceEntitiesForSave(Object entity, Builder builder, Set<Key> persistedEntities) {
    DatastorePersistentEntity<?> datastorePersistentEntity = getPersistentEntity(entity.getClass());
    List<Entity> entitiesToSave = new ArrayList<>();
    datastorePersistentEntity.doWithAssociations((AssociationHandler) association -> {
        PersistentProperty persistentProperty = association.getInverse();
        PersistentPropertyAccessor accessor = datastorePersistentEntity.getPropertyAccessor(entity);
        Object val = accessor.getProperty(persistentProperty);
        if (val == null) {
            return;
        }
        Value<?> value;
        if (LazyUtil.isLazyAndNotLoaded(val)) {
            value = LazyUtil.getKeys(val);
        } else if (persistentProperty.isCollectionLike()) {
            Iterable<?> iterableVal = (Iterable<?>) ValueUtil.toListIfArray(val);
            entitiesToSave.addAll(getEntitiesForSave(iterableVal, persistedEntities));
            List<KeyValue> keyValues = StreamSupport.stream((iterableVal).spliterator(), false).map(o -> KeyValue.of(this.getKey(o, false))).collect(Collectors.toList());
            value = ListValue.of(keyValues);
        } else {
            entitiesToSave.addAll(getEntitiesForSave(Collections.singletonList(val), persistedEntities));
            Key key = getKey(val, false);
            value = KeyValue.of(key);
        }
        builder.set(((DatastorePersistentProperty) persistentProperty).getFieldName(), value);
    });
    return entitiesToSave;
}

Example 2 with DatastorePersistentProperty

use of com.google.cloud.spring.data.datastore.core.mapping.DatastorePersistentProperty in project spring-cloud-gcp by GoogleCloudPlatform.

the class DatastoreTemplate method createOrderBy.

private static StructuredQuery.OrderBy createOrderBy(DatastorePersistentEntity<?> persistentEntity, Sort.Order order) {
    if (order.isIgnoreCase()) {
        throw new DatastoreDataException("Datastore doesn't support sorting ignoring case");
    }
    if (!order.getNullHandling().equals(Sort.NullHandling.NATIVE)) {
        throw new DatastoreDataException("Datastore supports only NullHandling.NATIVE null handling");
    }
    DatastorePersistentProperty persistentProperty = persistentEntity.getPersistentProperty(order.getProperty());
    Assert.notNull(persistentProperty, "Sort property '" + order.getProperty() + "' must exist in entity '" + persistentEntity.getName() + "'.");
    return new StructuredQuery.OrderBy(persistentProperty.getFieldName(), (order.getDirection() == Sort.Direction.DESC) ? StructuredQuery.OrderBy.Direction.DESCENDING : StructuredQuery.OrderBy.Direction.ASCENDING);
}

Example 3 with DatastorePersistentProperty

use of com.google.cloud.spring.data.datastore.core.mapping.DatastorePersistentProperty in project spring-cloud-gcp by GoogleCloudPlatform.

the class DatastoreTemplate method getDescendantEntitiesForSave.

private List<Entity> getDescendantEntitiesForSave(Object entity, Key key, Set<Key> persistedEntities) {
    DatastorePersistentEntity<?> datastorePersistentEntity = getPersistentEntity(entity.getClass());
    List<Entity> entitiesToSave = new ArrayList<>();
    datastorePersistentEntity.doWithDescendantProperties((DatastorePersistentProperty persistentProperty) -> {
        // Convert and write descendants, applying ancestor from parent entry
        PersistentPropertyAccessor accessor = datastorePersistentEntity.getPropertyAccessor(entity);
        Object val = accessor.getProperty(persistentProperty);
        if (val != null) {
            // we can be sure that the property is an array or an iterable,
            // because we check it in isDescendant
            entitiesToSave.addAll(getEntitiesForSave((Iterable<?>) ValueUtil.toListIfArray(val), persistedEntities, key));
        }
    });
    return entitiesToSave;
}

Example 4 with DatastorePersistentProperty

use of com.google.cloud.spring.data.datastore.core.mapping.DatastorePersistentProperty in project spring-cloud-gcp by GoogleCloudPlatform.

the class EntityPropertyValueProviderTests method testException.

@Test
void testException() {
    Entity entity = Entity.newBuilder(this.datastore.newKeyFactory().setKind("aKind").newKey("1")).set("boolField", 123L).build();
    EntityPropertyValueProvider provider = new EntityPropertyValueProvider(entity, this.twoStepsConversion);
    DatastorePersistentProperty testDpe = this.persistentEntity.getPersistentProperty("boolField");
    assertThatThrownBy(() -> provider.getPropertyValue(testDpe)).isInstanceOf(DatastoreDataException.class).hasMessage("Unable to read property boolField; nested exception is " + "com.google.cloud.spring.data.datastore.core.mapping.DatastoreDataException: " + "Unable to convert class java.lang.Long to class java.lang.Boolean");
}

Example 5 with DatastorePersistentProperty

use of com.google.cloud.spring.data.datastore.core.mapping.DatastorePersistentProperty in project spring-cloud-gcp by GoogleCloudPlatform.

the class PartTreeDatastoreQuery method mapToFieldName.

private String mapToFieldName(PropertyDescriptor propertyDescriptor) {
    String name = propertyDescriptor.getName();
    DatastorePersistentProperty persistentProperty = (DatastorePersistentProperty) this.datastorePersistentEntity.getPersistentProperty(name);
    Assert.notNull(persistentProperty, "Property '" + name + "' must exist in entity '" + this.datastorePersistentEntity.getName() + "'.");
    return persistentProperty.getFieldName();
}