Examples with Neo4j2Graph com.tinkerpop.blueprints.impls.neo4j2.Neo4j2Graph used on opensource projects

Example 6 with Neo4j2Graph

use of com.tinkerpop.blueprints.impls.neo4j2.Neo4j2Graph in project blueprints by tinkerpop.

the class Neo4j2BatchGraphTest method testAddingVerticesWithUserIdsThenSettingProperties.

public void testAddingVerticesWithUserIdsThenSettingProperties() {
    List<Long> ids = new ArrayList<Long>(Arrays.asList(100L, 5L, 10L, 4L, 10000L));
    final String directory = this.getWorkingDirectory();
    final Neo4j2BatchGraph batch = new Neo4j2BatchGraph(directory);
    for (final Long id : ids) {
        Vertex v = batch.addVertex(id);
        v.setProperty("theKey", id);
    }
    for (final Long id : ids) {
        assertNotNull(batch.getVertex(id));
        assertEquals(batch.getVertex(id).getProperty("theKey"), id);
    }
    assertNull(batch.getVertex(1L));
    assertNull(batch.getVertex(2L));
    assertNull(batch.getVertex(200000L));
    batch.shutdown();
    // native neo4j graph load
    final Neo4j2Graph graph = new Neo4j2Graph(directory);
    graph.autoStartTransaction(true);
    assertEquals(count(graph.getVertices()), ids.size());
    for (final Long id : ids) {
        assertNotNull(graph.getVertex(id));
        assertEquals(graph.getVertex(id).getProperty("theKey"), id);
        assertEquals(graph.getVertex(id).getPropertyKeys().size(), 1);
    }
    assertNull(graph.getVertex(1L));
    assertNull(graph.getVertex(2L));
    assertNull(graph.getVertex(200000L));
    graph.shutdown();
}

Example 7 with Neo4j2Graph

use of com.tinkerpop.blueprints.impls.neo4j2.Neo4j2Graph in project blueprints by tinkerpop.

the class Neo4j2BatchGraphTest method testAddingVerticesEdges.

public void testAddingVerticesEdges() {
    final String directory = this.getWorkingDirectory();
    final Neo4j2BatchGraph batch = new Neo4j2BatchGraph(directory);
    // no indices created
    assertEquals(count(batch.getIndices()), 0);
    final List<Long> ids = new ArrayList<Long>();
    for (int i = 0; i < 10; i++) {
        ids.add((Long) batch.addVertex(null).getId());
    }
    // System.out.println(ids);
    for (int i = 1; i < ids.size(); i++) {
        long idA = ids.get(i - 1);
        long idB = ids.get(i);
        // System.out.println(batch.getVertex(idA) + "--" + batch.getVertex(idB));
        batch.addEdge(null, batch.getVertex(idA), batch.getVertex(idB), idA + "-" + idB);
    }
    batch.shutdown();
    // native neo4j graph load
    final Neo4j2Graph graph = new Neo4j2Graph(directory);
    graph.autoStartTransaction(true);
    assertEquals(count(graph.getVertices()), 10);
    assertEquals(count(graph.getEdges()), 9);
    for (final Edge edge : graph.getEdges()) {
        long idA = (Long) edge.getVertex(Direction.OUT).getId();
        long idB = (Long) edge.getVertex(Direction.IN).getId();
        assertEquals(idA + 1, idB);
        assertEquals(edge.getLabel(), idA + "-" + idB);
    }
    assertNotNull(graph.getVertex(1L));
    assertNull(graph.getVertex(100L));
    assertNull(graph.getEdge(100L));
    graph.shutdown();
}

Example 8 with Neo4j2Graph

use of com.tinkerpop.blueprints.impls.neo4j2.Neo4j2Graph in project blueprints by tinkerpop.

the class Neo4j2BatchGraphTest method testElementPropertyManipulation.

public void testElementPropertyManipulation() {
    final String directory = this.getWorkingDirectory();
    final Neo4j2BatchGraph batch = new Neo4j2BatchGraph(directory);
    List<Long> vertexIds = new ArrayList<Long>();
    for (int i = 0; i < 10; i++) {
        Map<String, Object> map = new HashMap<String, Object>();
        map.put("a", 1);
        map.put("b", 2);
        Vertex vertex = batch.addVertex(map);
        assertEquals(vertex.getProperty("a"), 1);
        assertEquals(vertex.getProperty("b"), 2);
        assertEquals(vertex.getPropertyKeys().size(), 2);
        vertex.setProperty("b", 3);
        vertex.setProperty("c", 4);
        assertEquals(vertex.getProperty("a"), 1);
        assertEquals(vertex.getProperty("b"), 3);
        assertEquals(vertex.getProperty("c"), 4);
        assertEquals(vertex.getPropertyKeys().size(), 3);
        assertEquals(vertex.removeProperty("a"), 1);
        assertNull(vertex.getProperty("a"));
        assertEquals(vertex.getProperty("b"), 3);
        assertEquals(vertex.getProperty("c"), 4);
        assertEquals(vertex.getPropertyKeys().size(), 2);
        vertexIds.add((Long) vertex.getId());
    }
    assertEquals(vertexIds.size(), 10);
    List<Long> edgeIds = new ArrayList<Long>();
    Random random = new Random();
    for (int i = 0; i < 10; i++) {
        Edge edge = batch.addEdge(null, batch.getVertex(vertexIds.get(random.nextInt(vertexIds.size()))), batch.getVertex(vertexIds.get(random.nextInt(vertexIds.size()))), "test");
        edgeIds.add((Long) edge.getId());
        assertEquals(edge.getPropertyKeys().size(), 0);
        edge.setProperty("weight", 0.5);
        assertEquals(edge.getProperty("weight"), 0.5);
        assertEquals(edge.getPropertyKeys().size(), 1);
        edge.setProperty("blah", "dah");
        assertEquals(edge.getPropertyKeys().size(), 2);
        assertEquals(edge.getProperty("blah"), "dah");
        edge.setProperty("blah", "blue");
        assertEquals(edge.getPropertyKeys().size(), 2);
        assertEquals(edge.getProperty("blah"), "blue");
        assertEquals(edge.removeProperty("blah"), "blue");
        assertEquals(edge.getPropertyKeys().size(), 1);
    }
    batch.shutdown();
    // native neo4j graph load
    Neo4j2Graph graph = new Neo4j2Graph(directory);
    graph.autoStartTransaction(true);
    assertEquals(count(graph.getVertices()), 10);
    for (final Long id : vertexIds) {
        Vertex vertex = graph.getVertex(id);
        assertNull(vertex.getProperty("a"));
        assertEquals(vertex.getProperty("b"), 3);
        assertEquals(vertex.getProperty("c"), 4);
        assertEquals(vertex.getPropertyKeys().size(), 2);
    }
    for (final Long id : edgeIds) {
        Edge edge = graph.getEdge(id);
        assertNull(edge.getProperty("blah"));
        assertEquals(edge.getPropertyKeys().size(), 1);
        assertEquals(edge.getProperty("weight"), 0.5);
    }
    graph.shutdown();
}

Example 9 with Neo4j2Graph

use of com.tinkerpop.blueprints.impls.neo4j2.Neo4j2Graph in project blueprints by tinkerpop.

the class Neo4j2BatchGraphTest method testGraphMLLoad.

public void testGraphMLLoad() throws Exception {
    final String directory = this.getWorkingDirectory();
    final Neo4j2BatchGraph batch = new Neo4j2BatchGraph(directory);
    new GraphMLReader(batch).inputGraph(GraphMLReader.class.getResourceAsStream("graph-example-1.xml"));
    assertNotNull(batch.getVertex(1));
    assertNotNull(batch.getVertex(2));
    assertNotNull(batch.getVertex(3));
    assertNotNull(batch.getVertex(4));
    assertNotNull(batch.getVertex(5));
    assertNotNull(batch.getVertex(6));
    assertNull(batch.getVertex(7));
    assertEquals(batch.getVertex(1).getProperty("name"), "marko");
    assertEquals(batch.getVertex(2).getProperty("name"), "vadas");
    assertEquals(batch.getVertex(3).getProperty("name"), "lop");
    assertEquals(batch.getVertex(4).getProperty("name"), "josh");
    assertEquals(batch.getVertex(5).getProperty("name"), "ripple");
    assertEquals(batch.getVertex(6).getProperty("name"), "peter");
    batch.shutdown();
    // native neo4j graph load
    Neo4j2Graph graph = new Neo4j2Graph(directory);
    graph.autoStartTransaction(true);
    assertEquals(count(graph.getVertices()), 6);
    assertEquals(count(graph.getEdges()), 6);
    assertEquals(count(graph.getVertex("1").getEdges(Direction.OUT)), 3);
    assertEquals(count(graph.getVertex("1").getEdges(Direction.IN)), 0);
    Vertex marko = graph.getVertex("1");
    assertEquals(marko.getProperty("name"), "marko");
    assertEquals(marko.getProperty("age"), 29);
    int counter = 0;
    assertEquals(count(graph.getVertex("4").getEdges(Direction.OUT)), 2);
    assertEquals(count(graph.getVertex("4").getEdges(Direction.IN)), 1);
    Vertex josh = graph.getVertex("4");
    assertEquals(josh.getProperty("name"), "josh");
    assertEquals(josh.getProperty("age"), 32);
    for (Edge e : graph.getVertex("4").getEdges(Direction.OUT)) {
        if (e.getVertex(Direction.IN).getId().equals(3l)) {
            assertEquals(Math.round((Float) e.getProperty("weight")), 0);
            assertEquals(e.getLabel(), "created");
            counter++;
        } else if (e.getVertex(Direction.IN).getId().equals(5l)) {
            assertEquals(Math.round((Float) e.getProperty("weight")), 1);
            assertEquals(e.getLabel(), "created");
            counter++;
        }
    }
    assertEquals(counter, 2);
    graph.shutdown();
}