Examples with Graph org.kie.workbench.common.stunner.core.graph.Graph used on opensource projects

Example 1 with Graph

use of org.kie.workbench.common.stunner.core.graph.Graph in project kie-wb-common by kiegroup.

the class AcyclicDirectedGraphRule method evaluate.

@Override
@SuppressWarnings("unchecked")
public RuleViolations evaluate(final RuleExtension rule, final GraphConnectionContext context) {
    final Graph<?, Node> graph = (Graph<?, Node>) context.getGraph();
    final Optional<Node<? extends View<?>, ? extends Edge>> oSource = context.getSource();
    final Optional<Node<? extends View<?>, ? extends Edge>> oTarget = context.getTarget();
    final Edge<? extends View<?>, ? extends Node> oConnector = context.getConnector();
    final DefaultRuleViolations result = new DefaultRuleViolations();
    // Only validate DAG when source and target nodes are set
    if (!(oSource.isPresent() && oTarget.isPresent())) {
        return result;
    }
    final Node<?, Edge> source = (Node<?, Edge>) oSource.get();
    final Node<?, Edge> target = (Node<?, Edge>) oTarget.get();
    final Edge<?, Node> connector = (Edge<?, Node>) oConnector;
    try {
        final TreeWalkTraverseProcessor walker = getTreeWalker(source, target, connector);
        walker.traverse(graph, new TreeTraverseCallback<Graph, Node, Edge>() {

            final Set<Node> inProgress = new HashSet<>();

            @Override
            public void startGraphTraversal(final Graph graph) {
            }

            @Override
            public boolean startNodeTraversal(final Node node) {
                if (inProgress.contains(node)) {
                    throw new DirectedAcrylicGraphViolationException();
                }
                inProgress.add(node);
                return true;
            }

            @Override
            public boolean startEdgeTraversal(final Edge edge) {
                return true;
            }

            @Override
            public void endNodeTraversal(final Node node) {
                inProgress.remove(node);
            }

            @Override
            public void endEdgeTraversal(final Edge edge) {
            }

            @Override
            public void endGraphTraversal() {
            }
        });
    } catch (DirectedAcrylicGraphViolationException e) {
        result.addViolation(new RuleViolationImpl(ERROR_MESSAGE));
    }
    return result;
}

Example 2 with Graph

use of org.kie.workbench.common.stunner.core.graph.Graph in project kie-wb-common by kiegroup.

the class DMNMarshaller method unmarshall.

@Override
public Graph unmarshall(final Metadata metadata, final InputStream input) throws IOException {
    org.kie.dmn.model.v1_1.Definitions dmnXml = marshaller.unmarshal(new InputStreamReader(input));
    Map<String, Entry<org.kie.dmn.model.v1_1.DRGElement, Node>> elems = dmnXml.getDrgElement().stream().collect(Collectors.toMap(org.kie.dmn.model.v1_1.DRGElement::getId, dmn -> new SimpleEntry<>(dmn, dmnToStunner(dmn))));
    Optional<org.kie.workbench.common.dmn.backend.definition.v1_1.dd.DMNDiagram> dmnDDDiagram = findDMNDiagram(dmnXml);
    for (Entry<org.kie.dmn.model.v1_1.DRGElement, Node> kv : elems.values()) {
        org.kie.dmn.model.v1_1.DRGElement elem = kv.getKey();
        Node currentNode = kv.getValue();
        ddExtAugmentStunner(dmnDDDiagram, currentNode);
        // DMN spec table 2: Requirements connection rules
        if (elem instanceof org.kie.dmn.model.v1_1.Decision) {
            org.kie.dmn.model.v1_1.Decision decision = (org.kie.dmn.model.v1_1.Decision) elem;
            for (org.kie.dmn.model.v1_1.InformationRequirement ir : decision.getInformationRequirement()) {
                if (ir.getRequiredInput() != null) {
                    String reqInputID = getId(ir.getRequiredInput());
                    Node requiredNode = elems.get(reqInputID).getValue();
                    Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.InformationRequirement.class).asEdge();
                    connectEdge(myEdge, requiredNode, currentNode);
                    setConnectionMagnets(myEdge);
                }
                if (ir.getRequiredDecision() != null) {
                    String reqInputID = getId(ir.getRequiredDecision());
                    Node requiredNode = elems.get(reqInputID).getValue();
                    Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.InformationRequirement.class).asEdge();
                    connectEdge(myEdge, requiredNode, currentNode);
                    setConnectionMagnets(myEdge);
                }
            }
            for (org.kie.dmn.model.v1_1.KnowledgeRequirement kr : decision.getKnowledgeRequirement()) {
                String reqInputID = getId(kr.getRequiredKnowledge());
                Node requiredNode = elems.get(reqInputID).getValue();
                Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.KnowledgeRequirement.class).asEdge();
                connectEdge(myEdge, requiredNode, currentNode);
                setConnectionMagnets(myEdge);
            }
            for (org.kie.dmn.model.v1_1.AuthorityRequirement kr : decision.getAuthorityRequirement()) {
                String reqInputID = getId(kr.getRequiredAuthority());
                Node requiredNode = elems.get(reqInputID).getValue();
                Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.AuthorityRequirement.class).asEdge();
                connectEdge(myEdge, requiredNode, currentNode);
                setConnectionMagnets(myEdge);
            }
        } else if (elem instanceof org.kie.dmn.model.v1_1.BusinessKnowledgeModel) {
            org.kie.dmn.model.v1_1.BusinessKnowledgeModel bkm = (org.kie.dmn.model.v1_1.BusinessKnowledgeModel) elem;
            for (org.kie.dmn.model.v1_1.KnowledgeRequirement kr : bkm.getKnowledgeRequirement()) {
                String reqInputID = getId(kr.getRequiredKnowledge());
                Node requiredNode = elems.get(reqInputID).getValue();
                Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.KnowledgeRequirement.class).asEdge();
                connectEdge(myEdge, requiredNode, currentNode);
                setConnectionMagnets(myEdge);
            }
            for (org.kie.dmn.model.v1_1.AuthorityRequirement kr : bkm.getAuthorityRequirement()) {
                String reqInputID = getId(kr.getRequiredAuthority());
                Node requiredNode = elems.get(reqInputID).getValue();
                Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.AuthorityRequirement.class).asEdge();
                connectEdge(myEdge, requiredNode, currentNode);
                setConnectionMagnets(myEdge);
            }
        } else if (elem instanceof org.kie.dmn.model.v1_1.KnowledgeSource) {
            org.kie.dmn.model.v1_1.KnowledgeSource ks = (org.kie.dmn.model.v1_1.KnowledgeSource) elem;
            for (org.kie.dmn.model.v1_1.AuthorityRequirement ir : ks.getAuthorityRequirement()) {
                if (ir.getRequiredInput() != null) {
                    String reqInputID = getId(ir.getRequiredInput());
                    Node requiredNode = elems.get(reqInputID).getValue();
                    Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.AuthorityRequirement.class).asEdge();
                    connectEdge(myEdge, requiredNode, currentNode);
                    setConnectionMagnets(myEdge);
                }
                if (ir.getRequiredDecision() != null) {
                    String reqInputID = getId(ir.getRequiredDecision());
                    Node requiredNode = elems.get(reqInputID).getValue();
                    Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.AuthorityRequirement.class).asEdge();
                    connectEdge(myEdge, requiredNode, currentNode);
                    setConnectionMagnets(myEdge);
                }
                if (ir.getRequiredAuthority() != null) {
                    String reqInputID = getId(ir.getRequiredAuthority());
                    Node requiredNode = elems.get(reqInputID).getValue();
                    Edge myEdge = factoryManager.newElement(UUID.uuid(), org.kie.workbench.common.dmn.api.definition.v1_1.AuthorityRequirement.class).asEdge();
                    connectEdge(myEdge, requiredNode, currentNode);
                    setConnectionMagnets(myEdge);
                }
            }
        }
    }
    Map<String, Node<View<TextAnnotation>, ?>> textAnnotations = dmnXml.getArtifact().stream().filter(org.kie.dmn.model.v1_1.TextAnnotation.class::isInstance).map(org.kie.dmn.model.v1_1.TextAnnotation.class::cast).collect(Collectors.toMap(org.kie.dmn.model.v1_1.TextAnnotation::getId, textAnnotationConverter::nodeFromDMN));
    textAnnotations.values().forEach(n -> ddExtAugmentStunner(dmnDDDiagram, n));
    List<org.kie.dmn.model.v1_1.Association> associations = dmnXml.getArtifact().stream().filter(org.kie.dmn.model.v1_1.Association.class::isInstance).map(org.kie.dmn.model.v1_1.Association.class::cast).collect(Collectors.toList());
    for (org.kie.dmn.model.v1_1.Association a : associations) {
        String sourceId = getId(a.getSourceRef());
        Node sourceNode = Optional.ofNullable(elems.get(sourceId)).map(Entry::getValue).orElse(textAnnotations.get(sourceId));
        String targetId = getId(a.getTargetRef());
        Node targetNode = Optional.ofNullable(elems.get(targetId)).map(Entry::getValue).orElse(textAnnotations.get(targetId));
        @SuppressWarnings("unchecked") Edge<View<Association>, ?> myEdge = (Edge<View<Association>, ?>) factoryManager.newElement(UUID.uuid(), Association.class).asEdge();
        Id id = new Id(a.getId());
        Description description = new Description(a.getDescription());
        Association definition = new Association(id, description);
        myEdge.getContent().setDefinition(definition);
        connectEdge(myEdge, sourceNode, targetNode);
        setConnectionMagnets(myEdge);
    }
    Graph graph = factoryManager.newDiagram("prova", BindableAdapterUtils.getDefinitionSetId(DMNDefinitionSet.class), metadata).getGraph();
    elems.values().stream().map(kv -> kv.getValue()).forEach(graph::addNode);
    textAnnotations.values().forEach(graph::addNode);
    @SuppressWarnings("unchecked") Node<View<DMNDiagram>, ?> dmnDiagramRoot = findDMNDiagramRoot(graph);
    Definitions definitionsStunnerPojo = DefinitionsConverter.wbFromDMN(dmnXml);
    dmnDiagramRoot.getContent().getDefinition().setDefinitions(definitionsStunnerPojo);
    elems.values().stream().map(kv -> kv.getValue()).forEach(node -> connectRootWithChild(dmnDiagramRoot, node));
    textAnnotations.values().stream().forEach(node -> connectRootWithChild(dmnDiagramRoot, node));
    return graph;
}

Example 3 with Graph

use of org.kie.workbench.common.stunner.core.graph.Graph in project kie-wb-common by kiegroup.

the class RegisterNodeCommand method check.

@SuppressWarnings("unchecked")
protected CommandResult<RuleViolation> check(final GraphCommandExecutionContext context) {
    final Graph graph = getGraph(context);
    final Collection<RuleViolation> cardinalityRuleViolations = doEvaluate(context, RuleContextBuilder.GraphContexts.cardinality(graph, Optional.of(getCandidate()), Optional.of(CardinalityContext.Operation.ADD)));
    return new GraphCommandResultBuilder(cardinalityRuleViolations).build();
}

Example 4 with Graph

use of org.kie.workbench.common.stunner.core.graph.Graph in project kie-wb-common by kiegroup.

the class RegisterNodeCommand method execute.

@Override
@SuppressWarnings("unchecked")
public CommandResult<RuleViolation> execute(final GraphCommandExecutionContext context) {
    final CommandResult<RuleViolation> results = allow(context);
    if (!results.getType().equals(CommandResult.Type.ERROR)) {
        final Graph graph = getGraph(context);
        graph.addNode(candidate);
        getMutableIndex(context).addNode(candidate);
    }
    return results;
}

Example 5 with Graph

use of org.kie.workbench.common.stunner.core.graph.Graph in project kie-wb-common by kiegroup.

the class SafeDeleteNodeCommand method initialize.

@Override
@SuppressWarnings("unchecked")
protected SafeDeleteNodeCommand initialize(final GraphCommandExecutionContext context) {
    super.initialize(context);
    final Graph<?, Node> graph = getGraph(context);
    final Node<Definition<?>, Edge> candidate = (Node<Definition<?>, Edge>) getCandidate(context);
    new SafeDeleteNodeProcessor(new ChildrenTraverseProcessorImpl(new TreeWalkTraverseProcessorImpl()), graph, candidate).run(new SafeDeleteNodeProcessor.Callback() {

        private final Set<String> processedConnectors = new HashSet<String>();

        @Override
        public void deleteCandidateConnector(final Edge<? extends View<?>, Node> edge) {
        // This command will delete candidate's connectors once deleting the candidate node later on,
        // as it potentially performs the connectors shortcut operation.
        }

        @Override
        public void deleteConnector(final Edge<? extends View<?>, Node> edge) {
            doDeleteConnector(edge);
        }

        @Override
        public void removeChild(final Element<?> parent, final Node<?, Edge> candidate) {
            log("RemoveChildCommand [parent=" + parent.getUUID() + ", candidate=" + candidate.getUUID() + "]");
            addCommand(new RemoveChildCommand((Node<?, Edge>) parent, candidate));
            safeDeleteCallback.ifPresent(c -> c.removeChild(parent, candidate));
        }

        @Override
        public void removeDock(final Node<?, Edge> parent, final Node<?, Edge> candidate) {
            log("UnDockNodeCommand [parent=" + parent.getUUID() + ", candidate=" + candidate.getUUID() + "]");
            addCommand(new UnDockNodeCommand(parent, candidate));
            safeDeleteCallback.ifPresent(c -> c.removeDock(parent, candidate));
        }

        @Override
        public void deleteCandidateNode(final Node<?, Edge> node) {
            processCandidateConnectors();
            deleteNode(node);
        }

        @Override
        public void deleteNode(final Node<?, Edge> node) {
            log("DeregisterNodeCommand [node=" + node.getUUID() + "]");
            addCommand(new DeregisterNodeCommand(node));
            safeDeleteCallback.ifPresent(c -> c.deleteNode(node));
        }

        private void processCandidateConnectors() {
            if (options.isDeleteCandidateConnectors()) {
                if (options.isShortcutCandidateConnectors() && hasSingleIncomingEdge().and(hasSingleOutgoingEdge()).test(candidate)) {
                    final Edge<? extends ViewConnector<?>, Node> in = getViewConnector().apply(candidate.getInEdges());
                    final Edge<? extends ViewConnector<?>, Node> out = getViewConnector().apply(candidate.getOutEdges());
                    shortcut(in, out);
                } else {
                    Stream.concat(candidate.getInEdges().stream(), candidate.getOutEdges().stream()).filter(e -> e.getContent() instanceof ViewConnector).forEach(this::deleteConnector);
                }
            }
        }

        private void shortcut(final Edge<? extends ViewConnector<?>, Node> in, final Edge<? extends ViewConnector<?>, Node> out) {
            final ViewConnector<?> outContent = out.getContent();
            final Node targetNode = out.getTargetNode();
            addCommand(new DeleteConnectorCommand(out));
            safeDeleteCallback.ifPresent(c -> c.deleteCandidateConnector(out));
            addCommand(new SetConnectionTargetNodeCommand(targetNode, in, outContent.getTargetConnection().orElse(null)));
            safeDeleteCallback.ifPresent(c -> c.setEdgeTargetNode(targetNode, in));
        }

        private void doDeleteConnector(final Edge<? extends View<?>, Node> edge) {
            if (!processedConnectors.contains(edge.getUUID())) {
                log("IN DoDeleteConnector [edge=" + edge.getUUID() + "]");
                addCommand(new DeleteConnectorCommand(edge));
                safeDeleteCallback.ifPresent(c -> c.deleteConnector(edge));
                processedConnectors.add(edge.getUUID());
            }
        }
    });
    return this;
}