Examples with Path org.apache.tinkerpop.gremlin.process.traversal.Path used on opensource projects

Example 11 with Path

use of org.apache.tinkerpop.gremlin.process.traversal.Path in project sqlg by pietermartin.

the class TestLocalVertexStepRepeatStep method g_V_emit_timesX2X_repeatXoutX_path.

@Test
public void g_V_emit_timesX2X_repeatXoutX_path() throws IOException {
    loadModern();
    Graph graph = this.sqlgGraph;
    GraphTraversalSource g = graph.traversal();
    final List<Traversal<Vertex, Path>> traversals = Arrays.asList(g.V().local(__.<Vertex>emit().times(2).repeat(__.out()).path()), g.V().local(__.<Vertex>emit().repeat(__.out()).times(2).path()));
    traversals.forEach(traversal -> {
        int path1 = 0;
        int path2 = 0;
        int path3 = 0;
        while (traversal.hasNext()) {
            final Path path = traversal.next();
            System.out.println(path);
            if (path.size() == 1) {
                path1++;
            } else if (path.size() == 2) {
                path2++;
            } else if (path.size() == 3) {
                path3++;
            } else {
                Assert.fail("Only path lengths of 1, 2, or 3 should be seen");
            }
        }
        assertEquals(6, path1);
        assertEquals(6, path2);
        assertEquals(2, path3);
    });
}

Example 12 with Path

use of org.apache.tinkerpop.gremlin.process.traversal.Path in project sqlg by pietermartin.

the class TestLocalVertexStepRepeatStep method testEmitTimes2MultiplePathsSimple.

@Test
public void testEmitTimes2MultiplePathsSimple() {
    Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
    Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
    Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
    a1.addEdge("aa", a2);
    a2.addEdge("ab", b1);
    this.sqlgGraph.tx().commit();
    List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
    for (Path path : paths) {
        System.out.println(path);
    }
    assertEquals(3, paths.size());
    List<Predicate<Path>> pathsToAssert = Arrays.asList(p -> p.size() == 1 && p.get(0).equals(a1), p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2), p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(b1));
    for (Predicate<Path> pathPredicate : pathsToAssert) {
        Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
        assertTrue(path.isPresent());
        assertTrue(paths.remove(path.get()));
    }
    assertTrue(paths.isEmpty());
}

Example 13 with Path

use of org.apache.tinkerpop.gremlin.process.traversal.Path in project sqlg by pietermartin.

the class TestLocalVertexStepRepeatStep method testTimesBeforeEmitBeforeToSelf.

@Test
public void testTimesBeforeEmitBeforeToSelf() {
    Vertex a1 = this.sqlgGraph.addVertex(T.label, "A");
    Vertex b1 = this.sqlgGraph.addVertex(T.label, "B");
    Vertex a2 = this.sqlgGraph.addVertex(T.label, "A");
    Vertex a3 = this.sqlgGraph.addVertex(T.label, "A");
    a1.addEdge("aa", a2);
    a1.addEdge("ab", b1);
    a2.addEdge("aa", a3);
    this.sqlgGraph.tx().commit();
    List<Path> paths = this.sqlgGraph.traversal().V(a1).local(__.<Vertex>emit().times(2).repeat(__.out()).path()).toList();
    for (Path path : paths) {
        System.out.println(path);
    }
    List<Predicate<Path>> pathsToAssert = Arrays.asList(p -> p.size() == 1 && p.get(0).equals(a1), p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1), p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(a2), p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(a2) && p.get(2).equals(a3));
    for (Predicate<Path> pathPredicate : pathsToAssert) {
        Optional<Path> path = paths.stream().filter(pathPredicate).findAny();
        assertTrue(path.isPresent());
        assertTrue(paths.remove(path.get()));
    }
    assertTrue(paths.isEmpty());
}

Example 14 with Path

use of org.apache.tinkerpop.gremlin.process.traversal.Path in project sqlg by pietermartin.

the class TestLocalVertexStepRepeatStep method testOnDuplicatePathsFromVertexTimes1After.

@Test
public void testOnDuplicatePathsFromVertexTimes1After() {
    Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
    Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
    Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
    a1.addEdge("ab", b1);
    b1.addEdge("ba", a2);
    this.sqlgGraph.tx().commit();
    List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("ab", "ba")).times(1).path()).toList();
    assertEquals(5, paths.size());
    assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
    paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().get());
    assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
    paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().get());
    assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
    paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().get());
    assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
    paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().get());
    assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
    paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().get());
    assertTrue(paths.isEmpty());
}

Example 15 with Path

use of org.apache.tinkerpop.gremlin.process.traversal.Path in project sqlg by pietermartin.

the class TestLocalVertexStepRepeatStep method testOnDuplicatePathsFromVertexTimesAfter.

@Test
public void testOnDuplicatePathsFromVertexTimesAfter() {
    Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "name", "a1");
    Vertex a2 = this.sqlgGraph.addVertex(T.label, "A", "name", "a2");
    Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "name", "b1");
    a1.addEdge("ab", b1);
    b1.addEdge("ba", a2);
    this.sqlgGraph.tx().commit();
    List<Path> paths = this.sqlgGraph.traversal().V().local(__.<Vertex>emit().repeat(__.out("ab", "ba")).times(2).path()).toList();
    assertEquals(6, paths.size());
    assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a1)));
    assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)));
    assertTrue(paths.stream().anyMatch(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)));
    assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(a2)));
    assertTrue(paths.stream().anyMatch(p -> p.size() == 1 && p.get(0).equals(b1)));
    assertTrue(paths.stream().anyMatch(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)));
    paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a1)).findAny().get());
    paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(a1) && p.get(1).equals(b1)).findAny().get());
    paths.remove(paths.stream().filter(p -> p.size() == 3 && p.get(0).equals(a1) && p.get(1).equals(b1) && p.get(2).equals(a2)).findAny().get());
    paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(a2)).findAny().get());
    paths.remove(paths.stream().filter(p -> p.size() == 1 && p.get(0).equals(b1)).findAny().get());
    paths.remove(paths.stream().filter(p -> p.size() == 2 && p.get(0).equals(b1) && p.get(1).equals(a2)).findAny().get());
    assertTrue(paths.isEmpty());
}