Examples of com.tinkerpop.blueprints.Vertex

com.tinkerpop.blueprints.Vertex
driguez.com) @author Matthias Brocheler (http://matthiasb.com)

                .has(RelationshipProperty.NAME.getName(), entityName)
                .has(RelationshipProperty.TYPE.getName(), entityType.getName());
        Iterator<Vertex> iterator = entityQuery.vertices().iterator();
        Assert.assertTrue(iterator.hasNext());


        Vertex entityVertex = iterator.next();
        Assert.assertNotNull(entityVertex);


        return entityVertex;
    }

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    }


    private void verifyVertexForEdge(Vertex fromVertex, Direction direction, String label,
                                     String expectedName, String expectedType) {
        for (Edge edge : fromVertex.getEdges(direction, label)) {
            Vertex outVertex = edge.getVertex(Direction.IN);
            Assert.assertEquals(
                    outVertex.getProperty(RelationshipProperty.NAME.getName()), expectedName);
            Assert.assertEquals(
                    outVertex.getProperty(RelationshipProperty.TYPE.getName()), expectedType);
        }
    }

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    }


    private void verifyFeedsOwnedByUserAndClassification(String feedType, String classification,
                                                         List<String> expected) {
        List<String> actual = new ArrayList<String>();
        Vertex userVertex = getEntityVertex(FALCON_USER, RelationshipType.USER);
        for (Vertex feed : userVertex.getVertices(Direction.IN, RelationshipLabel.USER.getName())) {
            if (feed.getProperty(RelationshipProperty.TYPE.getName()).equals(feedType)) {
                for (Vertex classVertex : feed.getVertices(Direction.OUT, "classified-as")) {
                    if (classVertex.getProperty(RelationshipProperty.NAME.getName())
                            .equals(classification)) {
                        actual.add(feed.<String>getProperty(RelationshipProperty.NAME.getName()));

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        Graph graph = service.getGraph();


        Iterator<Vertex> vertices = graph.getVertices("name", "impression-feed/2014-01-01T00:00Z").iterator();
        Assert.assertTrue(vertices.hasNext());
        Vertex feedInstanceVertex = vertices.next();
        Assert.assertEquals(feedInstanceVertex.getProperty(RelationshipProperty.TYPE.getName()),
                RelationshipType.FEED_INSTANCE.getName());


        Object vertexId = feedInstanceVertex.getId();
        Vertex vertexById = graph.getVertex(vertexId);
        Assert.assertEquals(vertexById, feedInstanceVertex);


        // feeds classified as secure
        verifyFeedsClassifiedAsSecure(feedType,
                Arrays.asList("impression-feed/2014-01-01T00:00Z",

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      }
      VertexSet returned = new VertexSet().withPropertyPath(updatablePath);
      returned.setVertices(new IndexLazyLoader(vertices, propertyKeyInIndex, propertyValueInIndex));
      return returned;
    } else {
      Vertex vertexFor = service.getVertexFor(expected, CascadeType.REFRESH, objectsBeingAccessed);
      if (vertexFor == null) {
        return new VertexSet().withVertices(new LinkedList<Vertex>()).withPropertyPath(new LinkedList<Property>());
      } else {
        return new VertexSet().withVertices(Arrays.asList(vertexFor)).withPropertyPath(new LinkedList<Property>(CollectionUtils.asList(path)));
      }

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   *             replaced by
   *             {@link #setPropertyFor(Object, Vertex, Property, Object)}
   */
  public Vertex getVertexFor(GraphDatabaseDriver driver, Type value, CascadeType cascade) {
    String vertexId = toString(value);
    Vertex returned = driver.loadVertexFor(vertexId, value.getClass().getName());
    // If vertex doesn't exist (and cascade allow its creation) ... load it
    // !
    if (returned == null && GraphUtils.canCreateVertex(cascade)) {
      returned = driver.createEmptyVertex(value.getClass(), vertexId, value);
      driver.setValue(returned, toString(value));

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  private Vertex getVertextForUnknownSerializable(AbstractBluePrintsBackedFinderService<? extends Graph, ?, ?> service, ServiceRepository repository, Serializable value) {
    String serialized = writeSerializable(value);
    // Then indexed vertex id (for neo4j, typically)
    Class<? extends Serializable> valueClass = value.getClass();
    Vertex returned = service.loadVertexFor(serialized, valueClass.getName());
    // Finally create vertex
    if(returned==null) {
      returned = service.getDriver().createEmptyVertex(Serializable.class, serialized, value);
      service.getDriver().setValue(returned, serialized);
    }

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  }


  @Override
  public DataType getFirst() {
    try {
      Vertex result = prepareQuery().getVertex();
      if (result == null)
        throw new NoReturnableVertexException(filterExpression);
      return service.loadObject(result, new TreeMap<String, Object>());
    } finally {
      setState(State.EXECUTED);

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                // a literal with no type information should always been considered a string literal
            } else {
                Iterator<Edge> typeIterator = vertex.getEdges(Direction.OUT, IndexableGraphBackedFinderService.TYPE_EDGE_NAME).iterator();
                if(typeIterator.hasNext()) {
                    Edge toType = typeIterator.next();
                    Vertex type = toType.getVertex(Direction.IN);
                    // Do not use ClassLiteral here as this method must be blazing fast
                    return IndexableGraphBackedFinderService.classTransformer.extractClassIn(service.getDriver().getValue(type).toString());
                }
            }
    }

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                  }
                }
            }
        }
        /* We try to locate vertex in graph before to delete it. Indeed, mainly due cascade delete, this vertex may have already been removed */ 
        Vertex notYetDeleted = service.getDriver().loadVertexFor(objectVertexId, valueClass.getName());
        if(notYetDeleted!=null)
          GraphUtils.removeSafely(database, notYetDeleted);
    }

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