@Override
  public Evaluation evaluate(Path path) {
    if (path.length() < length) {
      return Evaluation.EXCLUDE_AND_CONTINUE;
    }

    Node lastNode = path.endNode();
    if (!lastNode.hasLabel(Labels.AirportDay)) {
      return Evaluation.EXCLUDE_AND_CONTINUE;
    } else if (destinations.contains(((String) lastNode.getProperty("key")).substring(0, 3))) {
      return Evaluation.INCLUDE_AND_PRUNE;
    }
    return Evaluation.EXCLUDE_AND_PRUNE;
  }
Exemplo n.º 2
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  @Override
  public Vertex v(final Object id) {
    this.tx().readWrite();
    if (null == id) throw Graph.Exceptions.elementNotFound(Vertex.class, id);

    try {
      final Node node = this.baseGraph.getNodeById(evaluateToLong(id));
      if (!node.hasLabel(Neo4jVertexProperty.VERTEX_PROPERTY_LABEL))
        return new Neo4jVertex(node, this);
    } catch (final NotFoundException e) {
      throw Graph.Exceptions.elementNotFound(Vertex.class, id);
    } catch (final NumberFormatException e) {
      throw Graph.Exceptions.elementNotFound(Vertex.class, id);
    } catch (final NotInTransactionException e) {
      throw Graph.Exceptions.elementNotFound(Vertex.class, id);
    }
    throw Graph.Exceptions.elementNotFound(Vertex.class, id);
  }
Exemplo n.º 3
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  /**
   * Reading a node command might leave a node record which referred to labels in one or more
   * dynamic records as marked as heavy even if that node already had references to dynamic records,
   * changed in a transaction, but had no labels on that node changed within that same transaction.
   * Now defensively only marks as heavy if there were one or more dynamic records provided when
   * providing the record object with the label field value. This would give the opportuniy to load
   * the dynamic records the next time that record would be ensured heavy.
   */
  @Test
  public void shouldRecoverNodeWithDynamicLabelRecords() throws Exception {
    // GIVEN
    database = new TestGraphDatabaseFactory().setFileSystem(fs).newImpermanentDatabase();
    Node node;
    Label[] labels =
        new Label[] {
          label("a"),
          label("b"),
          label("c"),
          label("d"),
          label("e"),
          label("f"),
          label("g"),
          label("h"),
          label("i"),
          label("j"),
          label("k")
        };
    try (Transaction tx = database.beginTx()) {
      node = database.createNode(labels);
      tx.success();
    }

    // WHEN
    try (Transaction tx = database.beginTx()) {
      node.setProperty("prop", "value");
      tx.success();
    }
    EphemeralFileSystemAbstraction snapshot = fs.snapshot();
    database.shutdown();
    database = new TestGraphDatabaseFactory().setFileSystem(snapshot).newImpermanentDatabase();

    // THEN
    try (Transaction tx = database.beginTx()) {
      node = database.getNodeById(node.getId());
      for (Label label : labels) {
        assertTrue(node.hasLabel(label));
      }
    }
  }
Exemplo n.º 4
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 @Override
 public boolean include(Node node) {
   return !(node.hasLabel(DynamicLabel.label("ChangeSet")));
 }
Exemplo n.º 5
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 @Override
 public boolean include(Node node) {
   return node.hasLabel(DynamicLabel.label("Blue"));
 }