Examples with EndNode org.structr.core.property.EndNode used on opensource projects

Example 1 with EndNode

use of org.structr.core.property.EndNode in project structr by structr.

the class StaticRelationshipResource method doGet.

// ~--- methods --------------------------------------------------------
@Override
public Result doGet(final PropertyKey sortKey, final boolean sortDescending, final int pageSize, final int page) throws FrameworkException {
    // ok, source node exists, fetch it
    final GraphObject sourceEntity = typedIdResource.getEntity();
    if (sourceEntity != null) {
        // first try: look through existing relations
        if (propertyKey == null) {
            if (sourceEntity instanceof NodeInterface) {
                if (!typeResource.isNode) {
                    final NodeInterface source = (NodeInterface) sourceEntity;
                    final Node sourceNode = source.getNode();
                    final Class relationshipType = typeResource.entityClass;
                    final Relation relation = AbstractNode.getRelationshipForType(relationshipType);
                    final Class destNodeType = relation.getOtherType(typedIdResource.getEntityClass());
                    final Set partialResult = new LinkedHashSet<>(typeResource.doGet(sortKey, sortDescending, NodeFactory.DEFAULT_PAGE_SIZE, NodeFactory.DEFAULT_PAGE).getResults());
                    // filter list according to end node type
                    final Set<GraphObject> set = Iterables.toSet(Iterables.filter(new OtherNodeTypeRelationFilter(securityContext, sourceNode, destNodeType), source.getRelationships(relationshipType)));
                    // intersect partial result with result list
                    set.retainAll(partialResult);
                    final List<GraphObject> finalResult = new LinkedList<>(set);
                    // sort after merge
                    applyDefaultSorting(finalResult, sortKey, sortDescending);
                    // return result
                    return new Result(PagingHelper.subList(finalResult, pageSize, page), finalResult.size(), isCollectionResource(), isPrimitiveArray());
                } else {
                    // what here?
                    throw new NotFoundException("Cannot access relationship collection " + typeResource.getRawType());
                }
            }
        } else {
            Query query = typeResource.query;
            if (query == null) {
                query = StructrApp.getInstance(securityContext).nodeQuery();
            }
            // use search context from type resource
            typeResource.collectSearchAttributes(query);
            final Predicate<GraphObject> predicate = query.toPredicate();
            final Object value = sourceEntity.getProperty(propertyKey, predicate);
            if (value != null) {
                if (value instanceof Iterable) {
                    final Set<Object> propertyResults = new LinkedHashSet<>();
                    Iterator<Object> iter = ((Iterable<Object>) value).iterator();
                    boolean iterableContainsGraphObject = false;
                    while (iter.hasNext()) {
                        Object obj = iter.next();
                        propertyResults.add(obj);
                        if (obj != null && !iterableContainsGraphObject) {
                            if (obj instanceof GraphObject) {
                                iterableContainsGraphObject = true;
                            }
                        }
                    }
                    int rawResultCount = propertyResults.size();
                    if (rawResultCount > 0 && !iterableContainsGraphObject) {
                        GraphObjectMap gObject = new GraphObjectMap();
                        gObject.setProperty(new ArrayProperty(this.typeResource.rawType, Object.class), propertyResults.toArray());
                        Result r = new Result(gObject, true);
                        r.setRawResultCount(rawResultCount);
                        return r;
                    }
                    final List<GraphObject> finalResult = new LinkedList<>();
                    propertyResults.forEach(v -> finalResult.add((GraphObject) v));
                    applyDefaultSorting(finalResult, sortKey, sortDescending);
                    // return result
                    Result r = new Result(PagingHelper.subList(finalResult, pageSize, page), finalResult.size(), isCollectionResource(), isPrimitiveArray());
                    r.setRawResultCount(rawResultCount);
                    return r;
                } else if (value instanceof GraphObject) {
                    return new Result((GraphObject) value, isPrimitiveArray());
                } else {
                    GraphObjectMap gObject = new GraphObjectMap();
                    PropertyKey key;
                    String keyName = this.typeResource.rawType;
                    int resultCount = 1;
                    // FIXME: Dynamically resolve all property types and their result count
                    if (value instanceof String) {
                        key = new StringProperty(keyName);
                    } else if (value instanceof Integer) {
                        key = new IntProperty(keyName);
                    } else if (value instanceof Long) {
                        key = new LongProperty(keyName);
                    } else if (value instanceof Double) {
                        key = new DoubleProperty(keyName);
                    } else if (value instanceof Boolean) {
                        key = new BooleanProperty(keyName);
                    } else if (value instanceof Date) {
                        key = new DateProperty(keyName);
                    } else if (value instanceof String[]) {
                        key = new ArrayProperty(keyName, String.class);
                        resultCount = ((String[]) value).length;
                    } else {
                        key = new GenericProperty(keyName);
                    }
                    gObject.setProperty(key, value);
                    Result r = new Result(gObject, true);
                    r.setRawResultCount(resultCount);
                    return r;
                }
            }
            // check propertyKey to return the right variant of empty result
            if (!(propertyKey instanceof StartNode || propertyKey instanceof EndNode)) {
                return new Result(Collections.EMPTY_LIST, 1, false, true);
            }
        }
    }
    return new Result(Collections.EMPTY_LIST, 0, false, true);
}

Example 2 with EndNode

use of org.structr.core.property.EndNode in project structr by structr.

the class SchemaNode method getMultiplicity.

@Override
public String getMultiplicity(final String propertyNameToCheck) {
    String multiplicity = getMultiplicity(this, propertyNameToCheck);
    if (multiplicity == null) {
        try {
            final String parentClass = getProperty(SchemaNode.extendsClass);
            if (parentClass != null) {
                // check if property is defined in parent class
                final SchemaNode parentSchemaNode = StructrApp.getInstance().nodeQuery(SchemaNode.class).andName(StringUtils.substringAfterLast(parentClass, ".")).getFirst();
                if (parentSchemaNode != null) {
                    multiplicity = getMultiplicity(parentSchemaNode, propertyNameToCheck);
                }
            }
        } catch (FrameworkException ex) {
            logger.warn("Can't find schema node for parent class!", ex);
        }
    }
    if (multiplicity != null) {
        return multiplicity;
    }
    // fallback, search NodeInterface (this allows the owner relationship to be used in Notions!)
    final PropertyKey key = StructrApp.getConfiguration().getPropertyKeyForJSONName(NodeInterface.class, propertyNameToCheck, false);
    if (key != null) {
        if (key instanceof StartNode || key instanceof EndNode) {
            return "1X";
        }
        if (key instanceof StartNodes || key instanceof EndNodes) {
            return "*X";
        }
    }
    return null;
}