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

Example 16 with DatastoreDataException

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

the class DatastoreTemplate method computeReferencedField.

private <T> T computeReferencedField(BaseEntity entity, ReadContext context, DatastorePersistentProperty referenceProperty, String fieldName, Class<T> type) {
    T referenced;
    if (referenceProperty.isLazyLoaded()) {
        DatastoreReaderWriter originalTx = getDatastoreReadWriter();
        referenced = LazyUtil.wrapSimpleLazyProxy(() -> {
            if (getDatastoreReadWriter() != originalTx) {
                throw new DatastoreDataException("Lazy load should be invoked within the same transaction");
            }
            return (T) findReferenced(entity, referenceProperty, context);
        }, type, entity.getValue(fieldName));
    } else {
        referenced = (T) findReferenced(entity, referenceProperty, context);
    }
    return referenced;
}

Example 17 with DatastoreDataException

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

the class DatastoreTemplate method validateKey.

private void validateKey(Object entity, PathElement ancestorPathElement) {
    DatastorePersistentEntity datastorePersistentEntity = getPersistentEntity(entity.getClass());
    DatastorePersistentProperty idProp = datastorePersistentEntity.getIdPropertyOrFail();
    if (!TypeUtils.isAssignable(BaseKey.class, idProp.getType())) {
        throw new DatastoreDataException("Only Key types are allowed for descendants id");
    }
    Key key = getKey(entity, false);
    if (key == null || key.getAncestors().stream().anyMatch(pe -> pe.equals(ancestorPathElement))) {
        return;
    }
    throw new DatastoreDataException("Descendant object has a key without current ancestor");
}

Example 18 with DatastoreDataException

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

the class DatastoreTemplate method validateExample.

private <T> void validateExample(Example<T> example) {
    Assert.notNull(example, "A non-null example is expected");
    ExampleMatcher matcher = example.getMatcher();
    if (!matcher.isAllMatching()) {
        throw new DatastoreDataException("Unsupported MatchMode. Only MatchMode.ALL is supported");
    }
    if (matcher.isIgnoreCaseEnabled()) {
        throw new DatastoreDataException("Ignore case matching is not supported");
    }
    if (!(matcher.getDefaultStringMatcher() == ExampleMatcher.StringMatcher.EXACT || matcher.getDefaultStringMatcher() == ExampleMatcher.StringMatcher.DEFAULT)) {
        throw new DatastoreDataException("Unsupported StringMatcher. Only EXACT and DEFAULT are supported");
    }
    Optional<String> path = example.getMatcher().getIgnoredPaths().stream().filter(s -> s.contains(".")).findFirst();
    if (path.isPresent()) {
        throw new DatastoreDataException("Ignored paths deeper than 1 are not supported");
    }
    if (matcher.getPropertySpecifiers().hasValues()) {
        throw new DatastoreDataException("Property matchers are not supported");
    }
}

Example 19 with DatastoreDataException

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

the class PartTreeDatastoreQuery method applySelectWithFilter.

private void applySelectWithFilter(Object[] parameters, Builder builder) {
    Iterator it = Arrays.asList(parameters).iterator();
    Filter[] filters = this.filterParts.stream().map(part -> {
        // build properties chain for nested properties
        // if the property is not nested, the list would contain only one property
        List<DatastorePersistentProperty> propertiesChain = getPropertiesChain(part);
        String fieldName = propertiesChain.stream().map(DatastorePersistentProperty::getFieldName).collect(Collectors.joining("."));
        if (part.getType() == Part.Type.IS_NULL) {
            return PropertyFilter.isNull(fieldName);
        }
        BiFunction<String, Value, PropertyFilter> filterFactory = FILTER_FACTORIES.get(part.getType());
        if (filterFactory == null) {
            throw new DatastoreDataException("Unsupported predicate keyword: " + part.getType());
        }
        if (!it.hasNext()) {
            throw new DatastoreDataException("Too few parameters are provided for query method: " + getQueryMethod().getName());
        }
        Value convertedValue = convertParam(propertiesChain.get(propertiesChain.size() - 1), it.next());
        return filterFactory.apply(fieldName, convertedValue);
    }).toArray(Filter[]::new);
    builder.setFilter((filters.length > 1) ? CompositeFilter.and(filters[0], Arrays.copyOfRange(filters, 1, filters.length)) : filters[0]);
}