Examples with ResourceMapper io.crnk.core.engine.internal.document.mapper.ResourceMapper used on opensource projects

Example 1 with ResourceMapper

use of io.crnk.core.engine.internal.document.mapper.ResourceMapper in project crnk-framework by crnk-project.

the class ClientDocumentMapper method newResourceMapper.

@Override
protected ResourceMapper newResourceMapper(final DocumentMapperUtil util, boolean client, ObjectMapper objectMapper) {
    return new ResourceMapper(util, client, objectMapper, null) {

        @Override
        protected void setRelationship(Resource resource, ResourceField field, Object entity, ResourceInformation resourceInformation, QueryAdapter queryAdapter, ResourceMappingConfig mappingConfig) {
            // we also include relationship data if it is not null and not a
            // unloaded proxy
            boolean includeRelation = true;
            Object relationshipId = null;
            if (field.hasIdField()) {
                Object relationshipValue = field.getIdAccessor().getValue(entity);
                ResourceInformation oppositeInformation = resourceRegistry.getEntry(field.getOppositeResourceType()).getResourceInformation();
                if (relationshipValue instanceof Collection) {
                    List ids = new ArrayList();
                    for (Object elem : (Collection<?>) relationshipValue) {
                        ids.add(oppositeInformation.toResourceIdentifier(elem));
                    }
                    relationshipId = ids;
                } else if (relationshipValue != null) {
                    relationshipId = oppositeInformation.toResourceIdentifier(relationshipValue);
                }
                includeRelation = relationshipId != null || field.getSerializeType() != SerializeType.LAZY;
            } else {
                Object relationshipValue = field.getAccessor().getValue(entity);
                if (relationshipValue instanceof ObjectProxy) {
                    includeRelation = ((ObjectProxy) relationshipValue).isLoaded();
                } else {
                    // TODO for fieldSets handling in the future the lazy
                    // handling must be different
                    includeRelation = relationshipValue != null || field.getSerializeType() != SerializeType.LAZY && !field.isCollection();
                }
                if (relationshipValue != null && includeRelation) {
                    if (relationshipValue instanceof Collection) {
                        relationshipId = util.toResourceIds((Collection<?>) relationshipValue);
                    } else {
                        relationshipId = util.toResourceId(relationshipValue);
                    }
                }
            }
            if (includeRelation) {
                Relationship relationship = new Relationship();
                relationship.setData(Nullable.of((Object) relationshipId));
                resource.getRelationships().put(field.getJsonName(), relationship);
            }
        }
    };
}