Examples with Neo4jGraph com.tinkerpop.blueprints.impls.neo4j.Neo4jGraph used on opensource projects

Example 1 with Neo4jGraph

use of com.tinkerpop.blueprints.impls.neo4j.Neo4jGraph in project blueprints by tinkerpop.

the class Neo4jBatchGraphTest method testIndexParameters.

public void testIndexParameters() throws Exception {
    final String directory = this.getWorkingDirectory();
    final Neo4jBatchGraph batch = new Neo4jBatchGraph(directory);
    Index<Vertex> index = batch.createIndex("testIdx", Vertex.class, new Parameter("analyzer", LowerCaseKeywordAnalyzer.class.getName()));
    Vertex a = batch.addVertex(null);
    a.setProperty("name", "marko");
    index.put("name", "marko", a);
    batch.flushIndices();
    batch.shutdown();
    // native neo4j graph load
    IndexableGraph graph = new Neo4jGraph(directory);
    Iterator<Vertex> itty = graph.getIndex("testIdx", Vertex.class).query("name", "*rko").iterator();
    int counter = 0;
    while (itty.hasNext()) {
        counter++;
        assertEquals(itty.next().getProperty("name"), "marko");
    }
    assertEquals(counter, 1);
    itty = graph.getIndex("testIdx", Vertex.class).query("name", "MaRkO").iterator();
    counter = 0;
    while (itty.hasNext()) {
        counter++;
        assertEquals(itty.next().getProperty("name"), "marko");
    }
    assertEquals(counter, 1);
    graph.shutdown();
}

Example 2 with Neo4jGraph

use of com.tinkerpop.blueprints.impls.neo4j.Neo4jGraph in project blueprints by tinkerpop.

the class Neo4jBatchGraphTest method testGraphMLLoad.

public void testGraphMLLoad() throws Exception {
    final String directory = this.getWorkingDirectory();
    final Neo4jBatchGraph batch = new Neo4jBatchGraph(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
    Neo4jGraph graph = new Neo4jGraph(directory);
    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();
}

Example 3 with Neo4jGraph

use of com.tinkerpop.blueprints.impls.neo4j.Neo4jGraph in project blueprints by tinkerpop.

the class Neo4jBatchGraphTest method testAddingVerticesEdgesWithIndices.

public void testAddingVerticesEdgesWithIndices() {
    final String directory = this.getWorkingDirectory();
    final Neo4jBatchGraph batch = new Neo4jBatchGraph(directory);
    assertEquals(0, count(batch.getIndices()));
    batch.createKeyIndex("name", Vertex.class);
    batch.createKeyIndex("age", Vertex.class);
    Index<Edge> edgeIndex = batch.createIndex("edgeIdx", Edge.class);
    assertEquals(1, count(batch.getIndices()));
    for (final Index index : batch.getIndices()) {
        if (index.getIndexName().equals("edgeIdx")) {
            assertEquals(index.getIndexClass(), Edge.class);
        } else {
            throw new RuntimeException("There should not be another index.");
        }
    }
    final List<Long> ids = new ArrayList<Long>();
    for (int i = 0; i < 10; i++) {
        final Map<String, Object> map = new HashMap<String, Object>();
        map.put("name", i + "");
        map.put("age", i * 10);
        map.put("nothing", 0);
        ids.add((Long) batch.addVertex(map).getId());
    }
    for (int i = 1; i < ids.size(); i++) {
        final Map<String, Object> map = new HashMap<String, Object>();
        map.put("weight", 0.5f);
        long idA = ids.get(i - 1);
        long idB = ids.get(i);
        final Edge edge = batch.addEdge(map, batch.getVertex(idA), batch.getVertex(idB), idA + "-" + idB);
        edgeIndex.put("unique", idA + "-" + idB, edge);
        edgeIndex.put("full", "blah", edge);
    }
    batch.flushIndices();
    batch.shutdown();
    // native neo4j graph load
    final Neo4jGraph graph = new Neo4jGraph(directory);
    assertEquals(count(graph.getIndices()), 1);
    assertEquals(graph.getIndexedKeys(Vertex.class).size(), 2);
    assertTrue(graph.getIndexedKeys(Vertex.class).contains("name"));
    assertTrue(graph.getIndexedKeys(Vertex.class).contains("age"));
    edgeIndex = graph.getIndex("edgeIdx", Edge.class);
    assertEquals(edgeIndex.getIndexClass(), Edge.class);
    assertEquals(count(graph.getVertices()), 10);
    assertTrue(graph.getVertices("nothing", 0) instanceof PropertyFilteredIterable);
    assertTrue(graph.getVertices("blah", "blop") instanceof PropertyFilteredIterable);
    // key index used
    assertFalse(graph.getVertices("name", "marko") instanceof PropertyFilteredIterable);
    // key indexed used
    assertFalse(graph.getVertices("age", 32) instanceof PropertyFilteredIterable);
    for (final Vertex vertex : graph.getVertices()) {
        int age = (Integer) vertex.getProperty("age");
        assertEquals(vertex.getProperty("name"), (age / 10) + "");
        assertTrue(graph.getVertices("nothing", 0).iterator().hasNext());
        assertEquals(count(graph.getVertices("age", age)), 1);
        assertEquals(graph.getVertices("age", age).iterator().next(), vertex);
        assertEquals(count(graph.getVertices("name", (age / 10) + "")), 1);
        assertEquals(graph.getVertices("name", (age / 10) + "").iterator().next(), vertex);
        assertEquals(vertex.getPropertyKeys().size(), 3);
        vertex.setProperty("NEW", age);
        assertEquals(vertex.getPropertyKeys().size(), 4);
    }
    for (final Vertex vertex : graph.getVertices()) {
        int age = (Integer) vertex.getProperty("age");
        assertEquals(vertex.getProperty("NEW"), age);
        assertEquals(vertex.getPropertyKeys().size(), 4);
        vertex.removeProperty("NEW");
    }
    for (final Vertex vertex : graph.getVertices()) {
        assertNull(vertex.getProperty("NEW"));
        assertEquals(vertex.getPropertyKeys().size(), 3);
    }
    assertEquals(count(graph.getEdges()), 9);
    assertEquals(count(edgeIndex.get("full", "blah")), 9);
    Set<Edge> edges = new HashSet<Edge>();
    for (Edge edge : edgeIndex.get("full", "blah")) {
        edges.add(edge);
    }
    assertEquals(edges.size(), 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);
        assertEquals(edge.getPropertyKeys().size(), 1);
        assertEquals(edge.getProperty("weight"), 0.5f);
        assertEquals(edgeIndex.count("weight", 0.5f), 0);
        assertEquals(edgeIndex.count("unique", idA + "-" + idB), 1);
        assertEquals(edgeIndex.get("unique", idA + "-" + idB).iterator().next(), edge);
        assertTrue(edges.contains(edge));
    }
    graph.shutdown();
}

Example 4 with Neo4jGraph

use of com.tinkerpop.blueprints.impls.neo4j.Neo4jGraph in project blueprints by tinkerpop.

the class Neo4jBatchGraphTest method testElementPropertyManipulation.

public void testElementPropertyManipulation() {
    final String directory = this.getWorkingDirectory();
    final Neo4jBatchGraph batch = new Neo4jBatchGraph(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
    Neo4jGraph graph = new Neo4jGraph(directory);
    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 5 with Neo4jGraph

use of com.tinkerpop.blueprints.impls.neo4j.Neo4jGraph in project blueprints by tinkerpop.

the class Neo4jBatchGraphTest method testAddingVerticesEdges.

public void testAddingVerticesEdges() {
    final String directory = this.getWorkingDirectory();
    final Neo4jBatchGraph batch = new Neo4jBatchGraph(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 Graph graph = new Neo4jGraph(directory);
    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();
}