// @Test
public void testLazyLoadTableViaVertexHasWithKeyMissingColumn() throws Exception {
// Create a new sqlgGraph
SqlgGraph sqlgGraph1 = SqlgGraph.open(configuration);
// Not entirely sure what this is for, else it seems hazelcast has not yet distributed the map
Thread.sleep(1000);
// add a vertex in the old, the new should only see it after a commit
Vertex v1 = this.sqlgGraph.addVertex(T.label, "Person", "name", "a");
this.sqlgGraph.tx().commit();
Assert.assertEquals(1, sqlgGraph1.traversal().V().count().next().intValue());
Assert.assertEquals(
1,
sqlgGraph1
.traversal()
.V()
.has(T.label, "Person")
.has("name", "a")
.count()
.next()
.intValue());
Vertex v11 = sqlgGraph1.traversal().V().has(T.label, "Person").<Vertex>has("name", "a").next();
Assert.assertFalse(v11.property("surname").isPresent());
// the next alter will lock if this transaction is still active
sqlgGraph1.tx().rollback();
// add column in one
v1.property("surname", "bbb");
this.sqlgGraph.tx().commit();
Vertex v12 = sqlgGraph1.addVertex(T.label, "Person", "surname", "ccc");
Assert.assertEquals("ccc", v12.value("surname"));
sqlgGraph1.tx().rollback();
sqlgGraph1.close();
}
@Override
public void map(final Vertex vertex, final MapEmitter<Object, Double> emitter) {
final Property pageRank = vertex.property(PageRankVertexProgram.PAGE_RANK);
if (pageRank.isPresent()) {
emitter.emit(vertex.id(), (Double) pageRank.value());
}
}
@Override
public void activate(final Collection<TinkerGraphPosLengthMatch> matches) {
for (final TinkerGraphPosLengthMatch plm : matches) {
final Vertex segment = plm.getSegment();
final Integer length = plm.getLength();
segment.property(LENGTH, -length + 1);
}
}