1 package org.simantics.district.network.ui;
3 import org.simantics.db.Resource;
4 import org.simantics.db.WriteGraph;
5 import org.simantics.db.common.utils.OrderedSetUtils;
6 import org.simantics.db.exception.DatabaseException;
7 import org.simantics.db.layer0.adapter.impl.EntityRemover;
8 import org.simantics.db.layer0.util.RemoverUtil;
9 import org.simantics.district.network.DistrictNetworkUtil;
10 import org.simantics.district.network.ontology.DistrictNetworkResource;
11 import org.simantics.layer0.Layer0;
12 import org.simantics.layer0.utils.binaryPredicates.OrderedSetElementsPredicate;
13 import org.simantics.modeling.ModelingResources;
14 import org.simantics.modeling.adapters.ElementRemover;
15 import org.slf4j.Logger;
16 import org.slf4j.LoggerFactory;
18 public class DNElementRemover extends ElementRemover {
20 private static final Logger LOGGER = LoggerFactory.getLogger(DNElementRemover.class);
22 public DNElementRemover(Resource element) {
27 public void removeConnection(WriteGraph graph) throws DatabaseException {
28 throw new UnsupportedOperationException("Distrct network should not have STR.Connection resources! " + resource);
32 public void removeElement(WriteGraph graph) throws DatabaseException {
34 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
36 if (graph.isInstanceOf(resource, DN.Vertex)) {
37 graph.getObjects(resource, DN.HasEndVertex_Inverse).forEach(res -> {
40 } catch (DatabaseException e) {
41 LOGGER.error("Could not remove endvertex inverse for {}", resource, e);
44 graph.getObjects(resource, DN.HasStartVertex_Inverse).forEach(res -> {
47 } catch (DatabaseException e) {
48 LOGGER.error("Could not remove startvertex inverse for {}", resource, e);
52 doRemove(graph, resource);
55 private static void doRemove(WriteGraph graph, Resource resource) throws DatabaseException {
56 // 1. Disconnect element from diagrams
57 for (Resource diagram : OrderedSetElementsPredicate.INSTANCE.getSubjects(graph, resource)) {
58 OrderedSetUtils.remove(graph, diagram, resource);
61 removePossibleMappedComponents(graph, resource);
63 // 2. Delete element itself
64 EntityRemover.remove(graph, resource);
66 // 3. Recursively remove all related degenerate connections
67 // i.e. connections that only have one connector after remove the
68 // one connected to this removed element.
71 private static void removePossibleMappedComponents(WriteGraph graph, Resource resource) throws DatabaseException {
72 Boolean trackChangesEnabled = DistrictNetworkUtil.trackChangesEnabled(graph, graph.getPossibleObject(resource, Layer0.getInstance(graph).PartOf));
73 if (trackChangesEnabled) {
74 DistrictNetworkResource DN = DistrictNetworkResource.getInstance(graph);
75 Resource element = graph.getPossibleObject(resource, DN.MappedComponent);
76 if (element != null) {
78 ModelingResources MOD = ModelingResources.getInstance(graph);
79 Resource component = graph.getPossibleObject(element, MOD.ElementToComponent);
80 if (component != null)
81 RemoverUtil.remove(graph, component);
83 RemoverUtil.remove(graph, element);