Examples with Relation org.structr.core.entity.Relation used on opensource projects

Example 11 with Relation

use of org.structr.core.entity.Relation 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 12 with Relation

use of org.structr.core.entity.Relation in project structr by structr.

the class TypeResource method doPost.

@Override
public RestMethodResult doPost(final Map<String, Object> propertySet) throws FrameworkException {
    // virtual type?
    if (virtualType != null) {
        virtualType.transformInput(securityContext, entityClass, propertySet);
    }
    if (isNode) {
        final RestMethodResult result = new RestMethodResult(HttpServletResponse.SC_CREATED);
        final NodeInterface newNode = createNode(propertySet);
        if (newNode != null) {
            result.addHeader("Location", buildLocationHeader(newNode));
            result.addContent(newNode);
        }
        result.serializeAsPrimitiveArray(true);
        // finally: return 201 Created
        return result;
    } else {
        final App app = StructrApp.getInstance(securityContext);
        final Relation template = getRelationshipTemplate();
        final ErrorBuffer errorBuffer = new ErrorBuffer();
        if (template != null) {
            final NodeInterface sourceNode = identifyStartNode(template, propertySet);
            final NodeInterface targetNode = identifyEndNode(template, propertySet);
            final PropertyMap properties = PropertyMap.inputTypeToJavaType(securityContext, entityClass, propertySet);
            RelationshipInterface newRelationship = null;
            if (sourceNode == null) {
                errorBuffer.add(new EmptyPropertyToken(entityClass.getSimpleName(), template.getSourceIdProperty()));
            }
            if (targetNode == null) {
                errorBuffer.add(new EmptyPropertyToken(entityClass.getSimpleName(), template.getTargetIdProperty()));
            }
            if (errorBuffer.hasError()) {
                throw new FrameworkException(422, "Source node ID and target node ID of relationsips must be set", errorBuffer);
            }
            template.ensureCardinality(securityContext, sourceNode, targetNode);
            newRelationship = app.create(sourceNode, targetNode, entityClass, properties);
            RestMethodResult result = new RestMethodResult(HttpServletResponse.SC_CREATED);
            if (newRelationship != null) {
                result.addHeader("Location", buildLocationHeader(newRelationship));
                result.addContent(newRelationship);
            }
            result.serializeAsPrimitiveArray(true);
            // finally: return 201 Created
            return result;
        }
        // shouldn't happen
        throw new NotFoundException("Type" + rawType + " does not exist");
    }
}

Example 13 with Relation

use of org.structr.core.entity.Relation in project structr by structr.

the class ImageHelper method findAndReconnectOriginalImage.

public static void findAndReconnectOriginalImage(final Image thumbnail) {
    final Class<Relation> thumbnailRel = StructrApp.getConfiguration().getRelationshipEntityClass("ImageTHUMBNAILImage");
    final PropertyKey<String> pathKey = StructrApp.key(Image.class, "path");
    final String originalImageName = thumbnail.getOriginalImageName();
    try {
        final App app = StructrApp.getInstance();
        final Image originalImage = (Image) app.nodeQuery(Image.class).and(pathKey, PathHelper.getFolderPath(thumbnail.getProperty(pathKey)) + PathHelper.PATH_SEP + originalImageName).getFirst();
        if (originalImage != null) {
            final PropertyMap relProperties = new PropertyMap();
            relProperties.put(StructrApp.key(Image.class, "width"), thumbnail.getWidth());
            relProperties.put(StructrApp.key(Image.class, "height"), thumbnail.getHeight());
            relProperties.put(StructrApp.key(Image.class, "checksum"), originalImage.getChecksum());
            app.create(originalImage, thumbnail, thumbnailRel, relProperties);
        }
    } catch (FrameworkException ex) {
        logger.debug("Error reconnecting thumbnail " + thumbnail.getName() + " to original image " + originalImageName, ex);
    }
}

Example 14 with Relation

use of org.structr.core.entity.Relation in project structr by structr.

the class ImageHelper method findAndReconnectThumbnails.

public static void findAndReconnectThumbnails(final Image originalImage) {
    final Class<Relation> thumbnailRel = StructrApp.getConfiguration().getRelationshipEntityClass("ImageTHUMBNAILImage");
    final PropertyKey<Image> tnSmallKey = StructrApp.key(Image.class, "tnSmall");
    final PropertyKey<Image> tnMidKey = StructrApp.key(Image.class, "tnMid");
    final PropertyKey<String> pathKey = StructrApp.key(Image.class, "path");
    final App app = StructrApp.getInstance();
    final Integer origWidth = originalImage.getWidth();
    final Integer origHeight = originalImage.getHeight();
    if (origWidth == null || origHeight == null) {
        if (!Arrays.asList("image/svg+xml", "image/x-icon", "image/x-photoshop").contains(originalImage.getContentType())) {
            logger.info("Could not determine width and heigth for {}", originalImage.getName());
        }
        return;
    }
    for (ThumbnailProperty tnProp : new ThumbnailProperty[] { (ThumbnailProperty) tnSmallKey, (ThumbnailProperty) tnMidKey }) {
        int maxWidth = tnProp.getWidth();
        int maxHeight = tnProp.getHeight();
        boolean crop = tnProp.getCrop();
        final float scale = getScaleRatio(origWidth, origHeight, maxWidth, maxHeight, crop);
        final String tnName = ImageHelper.getThumbnailName(originalImage.getName(), getThumbnailWidth(origWidth, scale), getThumbnailHeight(origHeight, scale));
        try {
            final Image thumbnail = (Image) app.nodeQuery(Image.class).and(pathKey, PathHelper.getFolderPath(originalImage.getProperty(pathKey)) + PathHelper.PATH_SEP + tnName).getFirst();
            if (thumbnail != null) {
                app.create(originalImage, thumbnail, thumbnailRel);
            }
        } catch (FrameworkException ex) {
            logger.debug("Error reconnecting thumbnail " + tnName + " to original image " + originalImage.getName(), ex);
        }
    }
}

Example 15 with Relation

use of org.structr.core.entity.Relation in project structr by structr.

the class SchemaHelper method getPropertyInfo.

public static Map<String, Object> getPropertyInfo(final SecurityContext securityContext, final PropertyKey property) {
    final Map<String, Object> map = new LinkedHashMap();
    map.put("dbName", property.dbName());
    map.put("jsonName", property.jsonName());
    map.put("className", property.getClass().getName());
    final Class declaringClass = property.getDeclaringClass();
    if (declaringClass != null) {
        map.put("declaringClass", declaringClass.getSimpleName());
    }
    map.put("defaultValue", property.defaultValue());
    if (property instanceof StringProperty) {
        map.put("contentType", ((StringProperty) property).contentType());
    }
    map.put("format", property.format());
    map.put("readOnly", property.isReadOnly());
    map.put("system", property.isSystemInternal());
    map.put("indexed", property.isIndexed());
    map.put("indexedWhenEmpty", property.isIndexedWhenEmpty());
    map.put("compound", property.isCompound());
    map.put("unique", property.isUnique());
    map.put("notNull", property.isNotNull());
    map.put("dynamic", property.isDynamic());
    map.put("hint", property.hint());
    map.put("category", property.category());
    final Class<? extends GraphObject> relatedType = property.relatedType();
    if (relatedType != null) {
        map.put("relatedType", relatedType.getName());
        map.put("type", relatedType.getSimpleName());
        map.put("uiType", relatedType.getSimpleName() + (property.isCollection() ? "[]" : ""));
    } else {
        map.put("type", property.typeName());
        map.put("uiType", property.typeName() + (property.isCollection() ? "[]" : ""));
    }
    map.put("isCollection", property.isCollection());
    final PropertyConverter databaseConverter = property.databaseConverter(securityContext, null);
    final PropertyConverter inputConverter = property.inputConverter(securityContext);
    if (databaseConverter != null) {
        map.put("databaseConverter", databaseConverter.getClass().getName());
    }
    if (inputConverter != null) {
        map.put("inputConverter", inputConverter.getClass().getName());
    }
    // if (declaringClass != null && ("org.structr.dynamic".equals(declaringClass.getPackage().getName()))) {
    if (declaringClass != null && property instanceof RelationProperty) {
        Relation relation = ((RelationProperty) property).getRelation();
        if (relation != null) {
            map.put("relationshipType", relation.name());
        }
    }
    return map;
}