Examples with DefaultGraphTraversal org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal used on opensource projects

Example 51 with DefaultGraphTraversal

use of org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal in project sqlg by pietermartin.

the class TestRangeLimit method testRangeOnEdgesOutput.

@Test
public void testRangeOnEdgesOutput() {
    Vertex a = this.sqlgGraph.addVertex(T.label, "A", "name", "a0");
    for (int i = 0; i < 20; i++) {
        Vertex b = this.sqlgGraph.addVertex(T.label, "B", "name", "b" + i);
        a.addEdge("E", b, "name", "e" + i);
    }
    this.sqlgGraph.tx().commit();
    DefaultGraphTraversal<Vertex, Object> g = (DefaultGraphTraversal<Vertex, Object>) this.sqlgGraph.traversal().V(a).out("E").order().by("name").range(1, 4).values("name");
    Assert.assertEquals(5, g.getSteps().size());
    ensureRangeGlobal(g);
    int cnt = 0;
    Set<String> names = new HashSet<>();
    String previous = null;
    if (g.hasNext()) {
        Assert.assertEquals(2, g.getSteps().size());
        Assert.assertTrue(g.getSteps().get(0) instanceof SqlgGraphStep);
        SqlgGraphStep sqlgGraphStep = (SqlgGraphStep) g.getSteps().get(0);
        assertStep(sqlgGraphStep, true, false, false, false, true);
    }
    while (g.hasNext()) {
        String n = (String) g.next();
        names.add(n);
        if (previous != null) {
            Assert.assertTrue(previous.compareTo(n) < 0);
        }
        previous = n;
        cnt++;
    }
    ensureNoRangeGlobal(g);
    Assert.assertEquals(3, cnt);
    Assert.assertEquals(names.toString(), 3, names.size());
    Assert.assertTrue(names.toString(), names.contains("b1"));
    Assert.assertTrue(names.toString(), names.contains("b10"));
    Assert.assertTrue(names.toString(), names.contains("b11"));
}

Example 52 with DefaultGraphTraversal

use of org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal in project sqlg by pietermartin.

the class TestRangeLimit method testLimitOnVertexLabels.

@Test
public void testLimitOnVertexLabels() {
    for (int i = 0; i < 20; i++) {
        this.sqlgGraph.addVertex(T.label, "A", "name", "a" + i);
    }
    this.sqlgGraph.tx().commit();
    DefaultGraphTraversal<Vertex, Object> g = (DefaultGraphTraversal<Vertex, Object>) this.sqlgGraph.traversal().V().hasLabel("A").order().by("name").limit(3).values("name");
    Assert.assertEquals(5, g.getSteps().size());
    ensureRangeGlobal(g);
    int cnt = 0;
    Set<String> names = new HashSet<>();
    String previous = null;
    if (g.hasNext()) {
        Assert.assertEquals(2, g.getSteps().size());
        Assert.assertTrue(g.getSteps().get(0) instanceof SqlgGraphStep);
        SqlgGraphStep sqlgGraphStep = (SqlgGraphStep) g.getSteps().get(0);
        assertStep(sqlgGraphStep, true, false, false, false, true);
    }
    while (g.hasNext()) {
        String n = (String) g.next();
        names.add(n);
        if (previous != null) {
            Assert.assertTrue(previous.compareTo(n) < 0);
        }
        previous = n;
        cnt++;
    }
    ensureNoRangeGlobal(g);
    Assert.assertEquals(3, cnt);
    Assert.assertEquals(names.toString(), 3, names.size());
    Assert.assertTrue(names.toString(), names.contains("a1"));
    Assert.assertTrue(names.toString(), names.contains("a10"));
    Assert.assertTrue(names.toString(), names.contains("a0"));
}

Example 53 with DefaultGraphTraversal

use of org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal in project sqlg by pietermartin.

the class TestRangeLimit method testRangeOnMultipleLabels.

@Test
public void testRangeOnMultipleLabels() {
    for (int i = 0; i < 20; i++) {
        Vertex a = this.sqlgGraph.addVertex(T.label, "A", "name", "a" + i);
        Vertex b = this.sqlgGraph.addVertex(T.label, "B", "name", "b" + i);
        a.addEdge("E", b, "name", "e" + i);
    }
    this.sqlgGraph.tx().commit();
    DefaultGraphTraversal<Vertex, Object> g = (DefaultGraphTraversal<Vertex, Object>) this.sqlgGraph.traversal().V().hasLabel("A", "B").limit(4).values("name");
    Assert.assertEquals(4, g.getSteps().size());
    ensureRangeGlobal(g);
    int cnt = 0;
    Set<String> names = new HashSet<>();
    if (g.hasNext()) {
        Assert.assertEquals(2, g.getSteps().size());
        Assert.assertTrue(g.getSteps().get(0) instanceof SqlgGraphStep);
        SqlgGraphStep sqlgGraphStep = (SqlgGraphStep) g.getSteps().get(0);
        // TODO this really should execute limit on the db and finally in the step.
        // That way less results are returned from the db
        assertStep(sqlgGraphStep, true, false, true, true, false);
    }
    while (g.hasNext()) {
        String n = (String) g.next();
        names.add(n);
        cnt++;
    }
    // we still have to cut the union result
    // ensureRangeGlobal(g);
    Assert.assertEquals(4, cnt);
    Assert.assertEquals(names.toString(), 4, names.size());
}

Example 54 with DefaultGraphTraversal

use of org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal in project sqlg by pietermartin.

the class TestRangeLimit method testRangeRepeatOut.

@Test
public void testRangeRepeatOut() {
    for (int i = 0; i < 100; i++) {
        Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "age", i);
        Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "age", i);
        Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "age", i);
        a1.addEdge("ab", b1);
        b1.addEdge("bc", c1);
    }
    this.sqlgGraph.tx().commit();
    DefaultGraphTraversal<Vertex, Vertex> g = (DefaultGraphTraversal<Vertex, Vertex>) this.sqlgGraph.traversal().V().hasLabel("A").repeat(__.out()).times(2).order().by("age").range(10, 20);
    Assert.assertEquals(5, g.getSteps().size());
    ensureRangeGlobal(g);
    List<Vertex> vertexList = g.toList();
    Assert.assertEquals(1, g.getSteps().size());
    Assert.assertTrue(g.getSteps().get(0) instanceof SqlgGraphStep);
    SqlgGraphStep sqlgGraphStep = (SqlgGraphStep) g.getSteps().get(0);
    assertStep(sqlgGraphStep, true, false, false, false, true);
    ensureNoRangeGlobal(g);
    Assert.assertEquals(10, vertexList.size());
    for (Vertex v : vertexList) {
        Assert.assertEquals("C", v.label());
        int i = (Integer) v.property("age").value();
        Assert.assertTrue(i >= 10 && i < 20);
    }
}

Example 55 with DefaultGraphTraversal

use of org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.DefaultGraphTraversal in project sqlg by pietermartin.

the class TestRangeLimit method testRangeBoth.

@Test
public void testRangeBoth() {
    for (int i = 0; i < 100; i++) {
        Vertex a1 = this.sqlgGraph.addVertex(T.label, "A", "age", i);
        Vertex b1 = this.sqlgGraph.addVertex(T.label, "B", "age", i);
        Vertex c1 = this.sqlgGraph.addVertex(T.label, "C", "age", i);
        a1.addEdge("ab", b1);
        b1.addEdge("bc", c1);
    }
    this.sqlgGraph.tx().commit();
    DefaultGraphTraversal<Vertex, Vertex> g = (DefaultGraphTraversal<Vertex, Vertex>) this.sqlgGraph.traversal().V().hasLabel("B").both().order().by("age").range(10, 20);
    Assert.assertEquals(5, g.getSteps().size());
    ensureRangeGlobal(g);
    List<Vertex> vertexList = g.toList();
    Assert.assertEquals(1, g.getSteps().size());
    Assert.assertTrue(g.getSteps().get(0) instanceof SqlgGraphStep);
    SqlgGraphStep sqlgGraphStep = (SqlgGraphStep) g.getSteps().get(0);
    assertStep(sqlgGraphStep, true, true, true, true, false);
    // cannot be done in SQL
    // ensureRangeGlobal(g);
    Assert.assertEquals(10, vertexList.size());
    for (Vertex v : vertexList) {
        Assert.assertTrue(v.label().equals("A") || v.label().equals("C"));
        int i = (Integer) v.property("age").value();
        Assert.assertTrue(String.valueOf(i), i >= 5 && i < 10);
    }
}