Examples with PathStep org.apache.tinkerpop.gremlin.process.traversal.step.map.PathStep used on opensource projects

Example 1 with PathStep

use of org.apache.tinkerpop.gremlin.process.traversal.step.map.PathStep in project sqlg by pietermartin.

the class TestLocalVertexStepOptionalWithOrder method testOptionalWithOrderBy2.

@Test
public void testOptionalWithOrderBy2() {
    Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
    Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
    Vertex b2 = this.sqlgGraph.addVertex(T.label, "B", "name", "b2");
    Vertex b3 = this.sqlgGraph.addVertex(T.label, "B", "name", "b3");
    Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "name", "c1");
    Vertex c2 = this.sqlgGraph.addVertex(T.label, "C", "name", "c2");
    Vertex c3 = this.sqlgGraph.addVertex(T.label, "C", "name", "c3");
    Vertex d1 = this.sqlgGraph.addVertex(T.label, "D", "name", "d1");
    Vertex d2 = this.sqlgGraph.addVertex(T.label, "D", "name", "d2");
    Vertex d3 = this.sqlgGraph.addVertex(T.label, "D", "name", "d3");
    Edge ab1 = a1.addEdge("ab", b1, "order", 3);
    Edge ab2 = a1.addEdge("ab", b2, "order", 2);
    Edge ab3 = a1.addEdge("ab", b3, "order", 1);
    Edge bc1 = b1.addEdge("bc", c1, "order", 3);
    Edge bc2 = b1.addEdge("bc", c2, "order", 2);
    Edge bc3 = b1.addEdge("bc", c3, "order", 1);
    Edge cd1 = c1.addEdge("cd", d1, "order", 3);
    Edge cd2 = c1.addEdge("cd", d2, "order", 2);
    Edge cd3 = c1.addEdge("cd", d3, "order", 1);
    this.sqlgGraph.tx().commit();
    DefaultGraphTraversal<Vertex, Path> traversal = (DefaultGraphTraversal<Vertex, Path>) this.sqlgGraph.traversal().V(a1.id()).local(__.optional(__.outE("ab").as("ab").otherV().as("vb").order().by(__.select("ab").by("order"), Order.incr).optional(__.outE("bc").as("bc").otherV().as("vc").order().by(__.select("bc").by("order"), Order.incr).optional(__.outE("cd").as("cd").inV().as("vd").order().by(__.select("cd").by("order"), Order.incr))))).path();
    Assert.assertEquals(3, traversal.getSteps().size());
    List<Path> paths = traversal.toList();
    Assert.assertEquals(3, traversal.getSteps().size());
    Assert.assertTrue(traversal.getSteps().get(0) instanceof SqlgGraphStep);
    Assert.assertTrue(traversal.getSteps().get(1) instanceof SqlgLocalStepBarrier);
    Assert.assertTrue(traversal.getSteps().get(2) instanceof PathStep);
    SqlgLocalStepBarrier<?, ?> localStep = (SqlgLocalStepBarrier<?, ?>) traversal.getSteps().get(1);
    List<SqlgVertexStep> sqlgVertexSteps = TraversalHelper.getStepsOfAssignableClassRecursively(SqlgVertexStep.class, localStep.getLocalChildren().get(0));
    Assert.assertEquals(1, sqlgVertexSteps.size());
    Assert.assertEquals(7, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 5 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc3) && p.get(4).equals(c3)));
    paths.remove(paths.stream().filter(p -> p.size() == 5 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc3) && p.get(4).equals(c3)).findAny().get());
    Assert.assertEquals(6, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 5 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc2) && p.get(4).equals(c2)));
    paths.remove(paths.stream().filter(p -> p.size() == 5 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc2) && p.get(4).equals(c2)).findAny().get());
    Assert.assertEquals(5, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 7 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc1) && p.get(4).equals(c1) && p.get(5).equals(cd1) && p.get(6).equals(d1)));
    paths.remove(paths.stream().filter(p -> p.size() == 7 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc1) && p.get(4).equals(c1) && p.get(5).equals(cd1) && p.get(6).equals(d1)).findAny().get());
    Assert.assertEquals(4, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 7 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc1) && p.get(4).equals(c1) && p.get(5).equals(cd2) && p.get(6).equals(d2)));
    paths.remove(paths.stream().filter(p -> p.size() == 7 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc1) && p.get(4).equals(c1) && p.get(5).equals(cd2) && p.get(6).equals(d2)).findAny().get());
    Assert.assertEquals(3, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 7 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc1) && p.get(4).equals(c1) && p.get(5).equals(cd3) && p.get(6).equals(d3)));
    paths.remove(paths.stream().filter(p -> p.size() == 7 && p.get(0).equals(a1) && p.get(1).equals(ab1) && p.get(2).equals(b1) && p.get(3).equals(bc1) && p.get(4).equals(c1) && p.get(5).equals(cd3) && p.get(6).equals(d3)).findAny().get());
    Assert.assertEquals(2, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(ab2) && p.get(2).equals(b2)));
    paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(ab2) && p.get(2).equals(b2)).findAny().get());
    Assert.assertEquals(1, paths.size());
    Assert.assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(ab3) && p.get(2).equals(b3)));
    paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(ab3) && p.get(2).equals(b3)).findAny().get());
    Assert.assertEquals(0, paths.size());
}