org.kie.workbench.common.stunner.core.graph.Graph.nodes()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中org.kie.workbench.common.stunner.core.graph.Graph.nodes()方法的一些代码示例，展示了Graph.nodes()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Graph.nodes()方法的具体详情如下：
包路径：org.kie.workbench.common.stunner.core.graph.Graph
类名称：Graph
方法名：nodes

Graph.nodes介绍

暂无

代码示例

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-core-common

protected double getLayoutInformationThreshold(final Graph<?, ?> graph) {
  final List<Node> list = new ArrayList<>();
  graph.nodes().iterator().forEachRemaining(list::add);
  return list.size() / 4.0D;
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-core-common

@SuppressWarnings("unchecked")
private List<Node<?, Edge>> getStartingNodes() {
  final Iterable<Node> nodes = graph.nodes();
  final List<Node<?, Edge>> result = new LinkedList<>();
  nodes.forEach(n -> {
    if (isStartingNode(n)) {
      result.add(n);
    }
  });
  return result;
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-core-common

public static int countDefinitionsById(final DefinitionManager definitionManager,
                    final Graph<?, ? extends Node> target,
                    final String id) {
  final int[] count = {0};
  target.nodes().forEach(node -> {
    if (getElementDefinitionId(definitionManager,
                  node).equals(id)) {
      count[0]++;
    }
  });
  return count[0];
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-client

@SuppressWarnings("unchecked")
public static Collection<VariableUsage> findVariableUsages(Graph graph, String variableName) {
  if (StringUtils.isEmpty(variableName)) {
    return Collections.EMPTY_LIST;
  }
  Iterable<Node> nodes = graph.nodes();
  return StreamSupport.stream(nodes.spliterator(), false)
      .filter(VariableUtils::isBPMNDefinition)
      .map(node -> (Node<View<BPMNDefinition>, Edge>) node)
      .map(node -> findVariableUsages(variableName, node))
      .flatMap(Collection::stream)
      .collect(Collectors.toList());
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

public DefinitionsContextHelper(Graph<DefinitionSet, NodeT> graph,
                Class<?> nodeType) {
  this.firstNode =
      GraphUtils.getFirstNode((Graph) graph, nodeType);
  this.nodes =
      StreamSupport
          .stream(graph.nodes().spliterator(), false)
          .filter(n -> !firstNode.getUUID().equals(n.getUUID()))
          .collect(Collectors.toMap(Node::getUUID, Function.identity()));
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-client

private Node getSourceNode(Diagram diagram, String edgeUuid) {
  final Iterator<Node> nodes = diagram.getGraph().nodes().iterator();
  Node<?, ? extends Edge> sourceNode;
  while (nodes.hasNext()) {
    sourceNode = nodes.next();
    if (sourceNode.getOutEdges().stream()
        .anyMatch(edge -> edge.getUUID().equals(edgeUuid))) {
      return sourceNode;
    }
  }
  return null;
}

代码示例来源：origin: org.kie.workbench/kie-wb-common-dmn-client

@SuppressWarnings("unchecked")
  private static <T extends DMNModelInstrumentedBase> List<String> getExistingNodeNames(final Graph<?, Node> graph,
                                             final T dmnModel,
                                             final Function<T, String> nameExtractor) {
    return StreamSupport
        .stream(graph.nodes().spliterator(), false)
        .filter(node -> node.getContent() instanceof View)
        .map(node -> (View) node.getContent())
        .filter(view -> view.getDefinition() instanceof DMNModelInstrumentedBase)
        .map(view -> (T) view.getDefinition())
        .filter(dmn -> dmn.getClass().equals(dmnModel.getClass()))
        .map(nameExtractor::apply)
        .collect(Collectors.toList());
  }
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-client

protected Collection<Pair<Object, String>> findElements(final Predicate<Node> filter,
                              final Function<Node, Pair<Object, String>> mapper) {
    final Diagram diagram = sessionManager.getCurrentSession().getCanvasHandler().getDiagram();
    @SuppressWarnings("unchecked")
    Iterable<Node> it = diagram.getGraph().nodes();
    return StreamSupport.stream(it.spliterator(),
                  false)
        .filter(filter)
        .map(mapper)
        .filter(pair -> pair != null)
        .collect(Collectors.toSet());
  }
}

代码示例来源：origin: org.kie.workbench/kie-wb-common-dmn-client

@SuppressWarnings("unchecked")
String diagramUUID() {
  final Diagram diagram = decisionNavigatorPresenter.getDiagram();
  final Graph<?, Node> graph = diagram.getGraph();
  return StreamSupport.stream(graph.nodes().spliterator(), false)
      .filter(n -> n.getContent() instanceof Definition)
      .filter(n -> ((Definition) n.getContent()).getDefinition() instanceof DMNDiagram)
      .findFirst()
      .map(Node::getUUID)
      .orElse("");
}

代码示例来源：origin: org.kie.workbench/kie-wb-common-dmn-client

@SuppressWarnings("unchecked")
  private Optional<Node> findDomainObjectNodeByDomainObject(final DomainObject domainObject) {
    return getCanvasHandler()
        .map(canvasHandler -> {
          final Graph<?, Node> graph = canvasHandler.getDiagram().getGraph();
          return StreamSupport
              .stream(graph.nodes().spliterator(), false)
              .filter(node -> node.getContent() instanceof Definition)
              .filter(node -> Objects.equals(domainObject, ((Definition) node.getContent()).getDefinition()))
              .findFirst();
        })
        .orElse(Optional.empty());
  }
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

@SuppressWarnings("unchecked")
private Iterator<Element> nodesIterator(Diagram<Graph, Metadata> diagram) {
  return (Iterator<Element>) diagram.getGraph().nodes().iterator();
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

@SuppressWarnings("unchecked")
private Iterator<Element> nodesIterator(Diagram<Graph, Metadata> diagram) {
  return (Iterator<Element>) diagram.getGraph().nodes().iterator();
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

public static List<Node> getNodes(Diagram<Graph, Metadata> diagram) {
  Graph graph = diagram.getGraph();
  assertNotNull(graph);
  Iterator<Node> nodesIterable = graph.nodes().iterator();
  List<Node> nodes = new ArrayList<>();
  nodesIterable.forEachRemaining(nodes::add);
  return nodes;
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

private List<Node> getNodes(Diagram<Graph, Metadata> diagram) {
  Graph graph = diagram.getGraph();
  assertNotNull(graph);
  Iterator<Node> nodesIterable = graph.nodes().iterator();
  List<Node> nodes = new ArrayList<>();
  nodesIterable.forEachRemaining(nodes::add);
  return nodes;
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

@SuppressWarnings("unchecked")
protected List<Node> getNodes(Diagram<Graph, Metadata> diagram) {
  Graph graph = diagram.getGraph();
  assertNotNull(graph);
  Iterator<Node> nodesIterable = graph.nodes().iterator();
  List<Node> nodes = new ArrayList<>();
  nodesIterable.forEachRemaining(nodes::add);
  return nodes;
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-backend

private List<Node> getNodes(Diagram<Graph, Metadata> diagram) {
  Graph graph = diagram.getGraph();
  assertNotNull(graph);
  Iterator<Node> nodesIterable = graph.nodes().iterator();
  List<Node> nodes = new ArrayList<>();
  nodesIterable.forEachRemaining(nodes::add);
  return nodes;
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-widgets

@Test
@SuppressWarnings("unchecked")
public void testShowWithSingleNodeWithNoNameAndWithNoTitle() {
  when(graph.nodes()).thenReturn(getMockNodes("node1"));
  testedTree.show(canvasHandler);
  verify(childrenTraverseProcessor,
      times(1)).traverse(eq(graph),
               any(AbstractChildrenTraverseCallback.class));
  verify(view).addItem(eq("node1"),
             eq(TreeExplorer.NO_NAME),
             any(IsWidget.class),
             anyBoolean(),
             anyBoolean());
}

代码示例来源：origin: org.kie.workbench.stunner/kie-wb-common-stunner-bpmn-project

@Before
public void setup() throws Exception {
  diagram = new BPMNDiagram.BPMNDiagramBuilder().build();
  diagramNodeContent = new ViewImpl<BPMNDiagram>( diagram, bounds );
  graphNodes.add( diagramNode );
  when( diagramNode.getContent() ).thenReturn( diagramNodeContent );
  when( graph.nodes() ).thenReturn( graphNodes );
  tested = new BPMNProjectDiagramFactory();
}

代码示例来源：origin: org.kie.workbench/kie-wb-common-dmn-api

@Test
@SuppressWarnings("unchecked")
public void testModelName() {
  final Diagram<Graph, Metadata> diagram = factory.build(NAME, metadata, graph);
  //We can safely get the first object on the iterator as we know the graph only contains one node
  final Node<View, Edge> root = (Node<View, Edge>) diagram.getGraph().nodes().iterator().next();
  final DMNDiagram dmnDiagram = (DMNDiagram) root.getContent().getDefinition();
  final Definitions dmnDefinitions = dmnDiagram.getDefinitions();
  assertEquals(NAME, dmnDefinitions.getName().getValue());
}

代码示例来源：origin: org.kie.workbench/kie-wb-common-dmn-api

@Test
  @SuppressWarnings("unchecked")
  public void testModelNameWithNonEmptyExistingName() {
    final Node<View, Edge> existingRoot = (Node<View, Edge>) graph.nodes().iterator().next();
    final DMNDiagram existingDMNDiagram = (DMNDiagram) existingRoot.getContent().getDefinition();
    final Definitions existingDMNDefinitions = existingDMNDiagram.getDefinitions();
    existingDMNDefinitions.getName().setValue(EXISTING_NAME);

    final Diagram<Graph, Metadata> newDiagram = factory.build(NAME, metadata, graph);
    final Node<View, Edge> newRoot = (Node<View, Edge>) newDiagram.getGraph().nodes().iterator().next();
    final DMNDiagram newDMNDiagram = (DMNDiagram) newRoot.getContent().getDefinition();
    final Definitions newDMNDefinitions = newDMNDiagram.getDefinitions();

    assertEquals(EXISTING_NAME, newDMNDefinitions.getName().getValue());
  }
}

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