Examples with DatastoreDataException org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreDataException used on opensource projects

Example 11 with DatastoreDataException

use of org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreDataException in project spring-cloud-gcp by spring-cloud.

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 12 with DatastoreDataException

use of org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreDataException in project spring-cloud-gcp by spring-cloud.

the class DatastoreServiceObjectToKeyFactory method getKeyFromId.

@Override
public Key getKeyFromId(Object id, String kindName) {
    Assert.notNull(id, "Cannot get key for null ID value.");
    if (id instanceof Key) {
        return (Key) id;
    }
    KeyFactory keyFactory = getKeyFactory();
    keyFactory.setKind(kindName);
    Key key;
    if (id instanceof String) {
        key = keyFactory.newKey((String) id);
    } else if (id instanceof Long) {
        key = keyFactory.newKey((long) id);
    } else {
        // in the future.
        throw new DatastoreDataException("Keys can only be created using String or long values.");
    }
    return key;
}

Example 13 with DatastoreDataException

use of org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreDataException in project spring-cloud-gcp by spring-cloud.

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]);
}

Example 14 with DatastoreDataException

use of org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreDataException in project spring-cloud-gcp by spring-cloud.

the class GqlDatastoreQuery method setOriginalParamTags.

private void setOriginalParamTags() {
    this.originalParamTags = new ArrayList<>();
    Set<String> seen = new HashSet<>();
    Parameters parameters = getQueryMethod().getParameters();
    for (int i = 0; i < parameters.getNumberOfParameters(); i++) {
        Parameter param = parameters.getParameter(i);
        if (Pageable.class.isAssignableFrom(param.getType()) || Sort.class.isAssignableFrom(param.getType())) {
            continue;
        }
        Optional<String> paramName = param.getName();
        if (!paramName.isPresent()) {
            throw new DatastoreDataException("Query method has a parameter without a valid name: " + getQueryMethod().getName());
        }
        String name = paramName.get();
        if (seen.contains(name)) {
            throw new DatastoreDataException("More than one param has the same name: " + name);
        }
        seen.add(name);
        this.originalParamTags.add(name);
    }
}

Example 15 with DatastoreDataException

use of org.springframework.cloud.gcp.data.datastore.core.mapping.DatastoreDataException in project spring-cloud-gcp by spring-cloud.

the class GqlDatastoreQuery method getNonEntityObjectFromRow.

private static Object getNonEntityObjectFromRow(Object x) {
    Object mappedResult;
    if (x instanceof Key) {
        mappedResult = x;
    } else {
        BaseEntity entity = (BaseEntity) x;
        Set<String> colNames = entity.getNames();
        if (colNames.size() > 1) {
            throw new DatastoreDataException("The query method returns non-entity types, but the query result has " + "more than one column. Use a Projection entity type instead.");
        }
        mappedResult = entity.getValue((String) colNames.toArray()[0]).get();
    }
    return mappedResult;
}