Examples with EntityReference org.qi4j.api.entity.EntityReference used on opensource projects

Example 26 with EntityReference

use of org.qi4j.api.entity.EntityReference in project qi4j-sdk by Qi4j.

the class AbstractSQLIndexing method insertAssoAndManyAssoQNames.

private void insertAssoAndManyAssoQNames(Map<QualifiedName, PreparedStatement> qNameInsertPSs, PreparedStatement insertToAllQNamesPS, EntityState state, Integer qNamePK, Long entityPK) throws SQLException {
    for (AssociationDescriptor aDesc : state.entityDescriptor().state().associations()) {
        if (SQLSkeletonUtil.isQueryable(aDesc.accessor())) {
            QualifiedName qName = aDesc.qualifiedName();
            PreparedStatement ps = qNameInsertPSs.get(qName);
            EntityReference ref = state.associationValueOf(qName);
            if (ref != null) {
                insertToAllQNamesPS.setInt(1, qNamePK);
                insertToAllQNamesPS.setLong(2, entityPK);
                insertToAllQNamesPS.addBatch();
                ps.setInt(1, qNamePK);
                ps.setLong(2, entityPK);
                ps.setString(3, ref.identity());
                ps.addBatch();
                ++qNamePK;
            }
        }
    }
    for (AssociationDescriptor mDesc : state.entityDescriptor().state().manyAssociations()) {
        if (SQLSkeletonUtil.isQueryable(mDesc.accessor())) {
            QualifiedName qName = mDesc.qualifiedName();
            PreparedStatement ps = qNameInsertPSs.get(qName);
            Integer index = 0;
            for (EntityReference ref : state.manyAssociationValueOf(qName)) {
                if (ref != null) {
                    insertToAllQNamesPS.setInt(1, qNamePK);
                    insertToAllQNamesPS.setLong(2, entityPK);
                    insertToAllQNamesPS.addBatch();
                    ps.setInt(1, qNamePK);
                    ps.setLong(2, entityPK);
                    ps.setInt(3, index);
                    ps.setString(4, ref.identity());
                    ps.addBatch();
                    ++qNamePK;
                }
                ++index;
            }
        }
    }
}

Example 27 with EntityReference

use of org.qi4j.api.entity.EntityReference in project qi4j-sdk by Qi4j.

the class ValueCompositeCxfType method readObject.

@Override
public Object readObject(final MessageReader reader, final Context context) throws DatabindingException {
    QName qname = getSchemaType();
    final String className = (qname.getNamespaceURI() + "." + qname.getLocalPart()).substring(20);
    // Read attributes
    ValueDescriptor descriptor = module.valueDescriptor(className);
    StateDescriptor stateDescriptor = descriptor.state();
    final Map<QualifiedName, Object> values = new HashMap<>();
    while (reader.hasMoreElementReaders()) {
        MessageReader childReader = reader.getNextElementReader();
        QName childName = childReader.getName();
        QualifiedName childQualifiedName = QualifiedName.fromClass((Class) typeClass, childName.getLocalPart());
        PropertyDescriptor propertyDescriptor = stateDescriptor.findPropertyModelByQualifiedName(childQualifiedName);
        Type propertyType = propertyDescriptor.type();
        AegisType type = getTypeMapping().getType(propertyType);
        Object value = type.readObject(childReader, context);
        values.put(childQualifiedName, value);
    }
    ValueBuilder<?> builder = module.newValueBuilderWithState((Class<?>) typeClass, new Function<PropertyDescriptor, Object>() {

        @Override
        public Object map(PropertyDescriptor descriptor1) {
            return values.get(descriptor1.qualifiedName());
        }
    }, new Function<AssociationDescriptor, EntityReference>() {

        @Override
        public EntityReference map(AssociationDescriptor descriptor) {
            Object value = values.get(descriptor.qualifiedName());
            if (value == null) {
                return null;
            }
            return EntityReference.parseEntityReference(value.toString());
        }
    }, new Function<AssociationDescriptor, Iterable<EntityReference>>() {

        @Override
        public Iterable<EntityReference> map(AssociationDescriptor descriptor) {
            Object value = values.get(descriptor.qualifiedName());
            if (value == null) {
                return Iterables.empty();
            }
            String[] ids = value.toString().split(",");
            List<EntityReference> references = new ArrayList<>(ids.length);
            for (String id : ids) {
                references.add(EntityReference.parseEntityReference(id));
            }
            return references;
        }
    }, new Function<AssociationDescriptor, Map<String, EntityReference>>() {

        @Override
        public Map<String, EntityReference> map(AssociationDescriptor descriptor) {
            Object value = values.get(descriptor.qualifiedName());
            if (value == null) {
                return Collections.emptyMap();
            }
            String[] namedRefs = value.toString().split(",");
            Map<String, EntityReference> references = new HashMap<>(namedRefs.length);
            for (String namedRef : namedRefs) {
                String[] splitted = namedRef.split(":");
                references.put(splitted[0], EntityReference.parseEntityReference(splitted[1]));
            }
            return references;
        }
    });
    return builder.newInstance();
}

Example 28 with EntityReference

use of org.qi4j.api.entity.EntityReference in project qi4j-sdk by Qi4j.

the class EntityStateSerializer method serializeManyAssociations.

private void serializeManyAssociations(final EntityState entityState, final Graph graph, final URI entityUri, final Iterable<? extends AssociationDescriptor> associations, final boolean includeNonQueryable) {
    ValueFactory values = graph.getValueFactory();
    // Many-Associations
    for (AssociationDescriptor associationType : associations) {
        if (!(includeNonQueryable || associationType.queryable())) {
            // Skip non-queryable
            continue;
        }
        BNode collection = values.createBNode();
        graph.add(entityUri, values.createURI(associationType.qualifiedName().toURI()), collection);
        graph.add(collection, Rdfs.TYPE, Rdfs.SEQ);
        ManyAssociationState associatedIds = entityState.manyAssociationValueOf(associationType.qualifiedName());
        for (EntityReference associatedId : associatedIds) {
            URI assocEntityURI = values.createURI(associatedId.toURI());
            graph.add(collection, Rdfs.LIST_ITEM, assocEntityURI);
        }
    }
}

Example 29 with EntityReference

use of org.qi4j.api.entity.EntityReference in project qi4j-sdk by Qi4j.

the class EntitySerializerTest method testEntitySerializer.

@Test
public void testEntitySerializer() throws RDFHandlerException {
    EntityReference entityReference = new EntityReference("test2");
    EntityState entityState = entityStore.newUnitOfWork(UsecaseBuilder.newUsecase("Test"), module, System.currentTimeMillis()).entityStateOf(entityReference);
    Iterable<Statement> graph = serializer.serialize(entityState);
    String[] prefixes = new String[] { "rdf", "dc", " vc" };
    String[] namespaces = new String[] { Rdfs.RDF, DcRdf.NAMESPACE, "http://www.w3.org/2001/vcard-rdf/3.0#" };
    new RdfXmlSerializer().serialize(graph, new PrintWriter(System.out), prefixes, namespaces);
}

Example 30 with EntityReference

use of org.qi4j.api.entity.EntityReference in project qi4j-sdk by Qi4j.

the class EntitiesResource method representAtom.

private Representation representAtom() throws ResourceException {
    try {
        Feed feed = new Feed();
        feed.setTitle(new Text(MediaType.TEXT_PLAIN, "All entities"));
        List<Entry> entries = feed.getEntries();
        final Iterable<EntityReference> query = entityFinder.findEntities(EntityComposite.class, null, null, null, null, Collections.<String, Object>emptyMap());
        for (EntityReference entityReference : query) {
            Entry entry = new Entry();
            entry.setTitle(new Text(MediaType.TEXT_PLAIN, entityReference.toString()));
            Link link = new Link();
            link.setHref(getRequest().getResourceRef().clone().addSegment(entityReference.identity()));
            entry.getLinks().add(link);
            entries.add(entry);
        }
        return feed;
    } catch (Exception e) {
        throw new ResourceException(e);
    }
}