| /******************************************************************************* |
| * Copyright (C) 2021 the Eclipse BaSyx Authors |
| * |
| * This program and the accompanying materials are made |
| * available under the terms of the Eclipse Public License 2.0 |
| * which is available at https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| ******************************************************************************/ |
| package org.eclipse.basyx.submodel.metamodel.map.submodelelement.entity; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| |
| import org.eclipse.basyx.submodel.metamodel.api.reference.IReference; |
| import org.eclipse.basyx.submodel.metamodel.api.submodelelement.ISubmodelElement; |
| import org.eclipse.basyx.submodel.metamodel.facade.submodelelement.SubmodelElementFacadeFactory; |
| import org.eclipse.basyx.submodel.metamodel.map.reference.Reference; |
| import org.eclipse.basyx.vab.model.VABModelMap; |
| |
| |
| /** |
| * Container class for holding the value of Entity |
| * |
| * @author conradi |
| * |
| */ |
| public class EntityValue extends VABModelMap<Object> { |
| |
| private EntityValue() {} |
| |
| public EntityValue(Collection<ISubmodelElement> statements, IReference asset) { |
| put(Entity.STATEMENT, statements); |
| put(Entity.ASSET, asset); |
| } |
| |
| /** |
| * Creates a EntityValue object from a map |
| * |
| * @param obj a EntityValue object as raw map |
| * @return a EntityValue object, that behaves like a facade for the given map |
| */ |
| public static EntityValue createAsFacade(Map<String, Object> obj) { |
| if (obj == null) { |
| return null; |
| } |
| |
| EntityValue facade = new EntityValue(); |
| facade.setMap(obj); |
| return facade; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public static boolean isEntityValue(Object value) { |
| |
| // Given Object must be a Map |
| if(!(value instanceof Map<?, ?>)) { |
| return false; |
| } |
| |
| Map<String, Object> map = (Map<String, Object>) value; |
| |
| // Given Map must contain all necessary Entries |
| if(!(map.get(Entity.STATEMENT) instanceof Collection<?> |
| && Reference.isReference(map.get(Entity.ASSET)))) { |
| return false; |
| } |
| |
| try { |
| // Try to create a Facade for each Element |
| // If one of the Objects in STATEMENT is not a smElement, |
| // SubmodelElementFacadeFactory throws an Exception |
| ((Collection<Map<String, Object>>) map.get(Entity.STATEMENT)).stream() |
| .forEach(SubmodelElementFacadeFactory::createSubmodelElement); |
| } catch (RuntimeException e) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| @SuppressWarnings("unchecked") |
| public Collection<ISubmodelElement> getStatement() { |
| Collection<Map<String, Object>> elements = (Collection<Map<String, Object>>) get(Entity.STATEMENT); |
| return elements.stream().map(e -> SubmodelElementFacadeFactory.createSubmodelElement(e)).collect(Collectors.toList()); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public IReference getAsset() { |
| return Reference.createAsFacade((Map<String, Object>) get(Entity.ASSET)); |
| } |
| } |