Examples with JanusGraphVertex org.janusgraph.core.JanusGraphVertex used on opensource projects

Example 71 with JanusGraphVertex

use of org.janusgraph.core.JanusGraphVertex in project janusgraph by JanusGraph.

the class JanusGraphTest method testTransactionIsolation.

/**
 * Verifies transactional isolation and internal vertex existence checking
 */
@Test
public void testTransactionIsolation() {
    // Create edge label before attempting to write it from concurrent transactions
    makeLabel("knows");
    finishSchema();
    JanusGraphTransaction tx1 = graph.newTransaction();
    JanusGraphTransaction tx2 = graph.newTransaction();
    // Verify that using vertices across transactions is prohibited
    JanusGraphVertex v11 = tx1.addVertex();
    JanusGraphVertex v12 = tx1.addVertex();
    v11.addEdge("knows", v12);
    JanusGraphVertex v21 = tx2.addVertex();
    try {
        v21.addEdge("knows", v11);
        fail();
    } catch (IllegalStateException ignored) {
    }
    JanusGraphVertex v22 = tx2.addVertex();
    v21.addEdge("knows", v22);
    tx2.commit();
    try {
        v22.addEdge("knows", v21);
        fail();
    } catch (IllegalStateException ignored) {
    }
    tx1.rollback();
    try {
        v11.property(VertexProperty.Cardinality.single, "test", 5);
        fail();
    } catch (IllegalStateException ignored) {
    }
    // Test unidirected edge with and without internal existence check
    newTx();
    v21 = getV(tx, v21);
    tx.makeEdgeLabel("link").unidirected().make();
    JanusGraphVertex v3 = tx.addVertex();
    v21.addEdge("link", v3);
    newTx();
    v21 = getV(tx, v21);
    v3 = Iterables.getOnlyElement(v21.query().direction(Direction.OUT).labels("link").vertices());
    assertFalse(v3.isRemoved());
    v3.remove();
    newTx();
    v21 = getV(tx, v21);
    v3 = Iterables.getOnlyElement(v21.query().direction(Direction.OUT).labels("link").vertices());
    assertFalse(v3.isRemoved());
    newTx();
    JanusGraphTransaction tx3 = graph.buildTransaction().checkInternalVertexExistence(true).start();
    v21 = getV(tx3, v21);
    v3 = Iterables.getOnlyElement(v21.query().direction(Direction.OUT).labels("link").vertices());
    assertTrue(v3.isRemoved());
    tx3.commit();
}

Example 72 with JanusGraphVertex

use of org.janusgraph.core.JanusGraphVertex in project janusgraph by JanusGraph.

the class JanusGraphTest method testSelfLoop.

/**
 * Tests that self-loop edges are handled and counted correctly
 */
@Test
public void testSelfLoop() {
    JanusGraphVertex v = tx.addVertex();
    v.addEdge("self", v);
    assertCount(1, v.query().direction(Direction.OUT).labels("self").edges());
    assertCount(1, v.query().direction(Direction.IN).labels("self").edges());
    assertCount(2, v.query().direction(Direction.BOTH).labels("self").edges());
    clopen();
    v = getV(tx, v);
    assertNotNull(v);
    assertCount(1, v.query().direction(Direction.IN).labels("self").edges());
    assertCount(1, v.query().direction(Direction.OUT).labels("self").edges());
    assertCount(1, v.query().direction(Direction.IN).labels("self").edges());
    assertCount(2, v.query().direction(Direction.BOTH).labels("self").edges());
}

Example 73 with JanusGraphVertex

use of org.janusgraph.core.JanusGraphVertex in project janusgraph by JanusGraph.

the class JanusGraphTest method testArrayEqualityUsingImplicitKey.

@Test
public void testArrayEqualityUsingImplicitKey() {
    JanusGraphVertex v = graph.addVertex();
    byte[] singleDimension = new byte[] { 127, 0, 0, 1 };
    byte[] singleDimensionCopy = new byte[] { 127, 0, 0, 1 };
    final String singlePropName = "single";
    v.property(singlePropName, singleDimension);
    assertEquals(1, Iterables.size(graph.query().has(singlePropName, singleDimension).vertices()));
    assertEquals(1, Iterables.size(graph.query().has(singlePropName, singleDimensionCopy).vertices()));
    graph.tx().commit();
    assertEquals(1, Iterables.size(graph.query().has(singlePropName, singleDimension).vertices()));
    assertEquals(1, Iterables.size(graph.query().has(singlePropName, singleDimensionCopy).vertices()));
}

Example 74 with JanusGraphVertex

use of org.janusgraph.core.JanusGraphVertex in project janusgraph by JanusGraph.

the class JanusGraphTest method testDataTypes.

/**
 * Test the different data types that JanusGraph supports natively and ensure that invalid data types aren't allowed
 */
@Test
public void testDataTypes() {
    clopen(option(CUSTOM_ATTRIBUTE_CLASS, "attribute10"), SpecialInt.class.getCanonicalName(), option(CUSTOM_SERIALIZER_CLASS, "attribute10"), SpecialIntSerializer.class.getCanonicalName());
    PropertyKey num = makeKey("num", SpecialInt.class);
    PropertyKey barr = makeKey("barr", byte[].class);
    PropertyKey booleanValue = makeKey("boolval", Boolean.class);
    PropertyKey birthday = makeKey("birthday", Instant.class);
    PropertyKey location = makeKey("location", Geoshape.class);
    PropertyKey boundary = makeKey("boundary", Geoshape.class);
    PropertyKey precise = makeKey("precise", Double.class);
    PropertyKey any = mgmt.makePropertyKey("any").cardinality(Cardinality.LIST).dataType(Object.class).make();
    try {
        // Not a valid data type - primitive
        makeKey("pint", int.class);
        fail();
    } catch (IllegalArgumentException ignored) {
    }
    try {
        // Not a valid data type - interface
        makeKey("number", Number.class);
        fail();
    } catch (IllegalArgumentException ignored) {
    }
    finishSchema();
    clopen();
    booleanValue = tx.getPropertyKey("boolval");
    num = tx.getPropertyKey("num");
    barr = tx.getPropertyKey("barr");
    birthday = tx.getPropertyKey("birthday");
    location = tx.getPropertyKey("location");
    boundary = tx.getPropertyKey("boundary");
    precise = tx.getPropertyKey("precise");
    any = tx.getPropertyKey("any");
    assertEquals(Boolean.class, booleanValue.dataType());
    assertEquals(byte[].class, barr.dataType());
    assertEquals(Object.class, any.dataType());
    final Instant c = Instant.ofEpochSecond(1429225756);
    final Geoshape point = Geoshape.point(10.0, 10.0);
    final Geoshape shape = Geoshape.box(10.0, 10.0, 20.0, 20.0);
    JanusGraphVertex v = tx.addVertex();
    v.property(n(booleanValue), true);
    v.property(VertexProperty.Cardinality.single, n(birthday), c);
    v.property(VertexProperty.Cardinality.single, n(num), new SpecialInt(10));
    v.property(VertexProperty.Cardinality.single, n(barr), new byte[] { 1, 2, 3, 4 });
    v.property(VertexProperty.Cardinality.single, n(location), point);
    v.property(VertexProperty.Cardinality.single, n(boundary), shape);
    v.property(VertexProperty.Cardinality.single, n(precise), 10.12345);
    v.property(n(any), "Hello");
    v.property(n(any), 10L);
    int[] testArray = { 5, 6, 7 };
    v.property(n(any), testArray);
    // ######## VERIFICATION ##########
    assertTrue(v.<Boolean>value("boolval"));
    assertEquals(10, v.<SpecialInt>value("num").getValue());
    assertEquals(c, v.value("birthday"));
    assertEquals(4, v.<byte[]>value("barr").length);
    assertEquals(point, v.<Geoshape>value("location"));
    assertEquals(shape, v.<Geoshape>value("boundary"));
    assertEquals(10.12345, v.<Double>value("precise"), 0.000001);
    assertCount(3, v.properties("any"));
    for (Object prop : v.query().labels("any").properties()) {
        Object value = ((JanusGraphVertexProperty<?>) prop).value();
        if (value instanceof String)
            assertEquals("Hello", value);
        else if (value instanceof Long)
            assertEquals(10L, value);
        else if (value.getClass().isArray()) {
            assertTrue(Arrays.equals(testArray, (int[]) value));
        } else
            fail();
    }
    clopen();
    v = getV(tx, v);
    // ######## VERIFICATION (copied from above) ##########
    assertTrue(v.<Boolean>value("boolval"));
    assertEquals(10, v.<SpecialInt>value("num").getValue());
    assertEquals(c, v.value("birthday"));
    assertEquals(4, v.<byte[]>value("barr").length);
    assertEquals(point, v.<Geoshape>value("location"));
    assertEquals(shape, v.<Geoshape>value("boundary"));
    assertEquals(10.12345, v.<Double>value("precise"), 0.000001);
    assertCount(3, v.properties("any"));
    for (Object prop : v.query().labels("any").properties()) {
        Object value = ((JanusGraphVertexProperty<?>) prop).value();
        if (value instanceof String)
            assertEquals("Hello", value);
        else if (value instanceof Long)
            assertEquals(10L, value);
        else if (value.getClass().isArray()) {
            assertTrue(Arrays.equals(testArray, (int[]) value));
        } else
            fail();
    }
}

Example 75 with JanusGraphVertex

use of org.janusgraph.core.JanusGraphVertex in project janusgraph by JanusGraph.

the class JanusGraphTest method testCreateDelete.

// Add more removal operations, different transaction contexts
@Test
public void testCreateDelete() {
    makeKey("weight", Double.class);
    PropertyKey uid = makeVertexIndexedUniqueKey("uid", Integer.class);
    ((StandardEdgeLabelMaker) mgmt.makeEdgeLabel("knows")).sortKey(uid).sortOrder(Order.DESC).directed().make();
    mgmt.makeEdgeLabel("father").multiplicity(Multiplicity.MANY2ONE).make();
    finishSchema();
    JanusGraphVertex v1 = graph.addVertex(), v3 = graph.addVertex("uid", 445);
    Edge e = v3.addEdge("knows", v1, "uid", 111);
    Edge e2 = v1.addEdge("friend", v3);
    assertEquals(111, e.<Integer>value("uid").intValue());
    graph.tx().commit();
    v3 = getV(graph, v3);
    assertEquals(445, v3.<Integer>value("uid").intValue());
    e = Iterables.getOnlyElement(v3.query().direction(Direction.OUT).labels("knows").edges());
    assertEquals(111, e.<Integer>value("uid").intValue());
    assertEquals(e, getE(graph, e.id()));
    assertEquals(e, getE(graph, e.id().toString()));
    VertexProperty p = getOnlyElement(v3.properties("uid"));
    p.remove();
    v3.property("uid", 353);
    e = Iterables.getOnlyElement(v3.query().direction(Direction.OUT).labels("knows").edges());
    e.property("uid", 222);
    e2 = Iterables.getOnlyElement(v1.query().direction(Direction.OUT).labels("friend").edges());
    e2.property("uid", 1);
    e2.property("weight", 2.0);
    assertEquals(1, e2.<Integer>value("uid").intValue());
    assertEquals(2.0, e2.<Double>value("weight"), 0.0001);
    clopen();
    v3 = getV(graph, v3.id());
    assertEquals(353, v3.<Integer>value("uid").intValue());
    e = Iterables.getOnlyElement(v3.query().direction(Direction.OUT).labels("knows").edges());
    assertEquals(222, e.<Integer>value("uid").intValue());
}