@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;
}
@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);
}
/**
* 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));
}
}
}
@Override
public boolean include(Node node) {
return !(node.hasLabel(DynamicLabel.label("ChangeSet")));
}
@Override
public boolean include(Node node) {
return node.hasLabel(DynamicLabel.label("Blue"));
}