Examples with Edge com.tinkerpop.blueprints.Edge used on opensource projects

Example 86 with Edge

use of com.tinkerpop.blueprints.Edge 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 87 with Edge

use of com.tinkerpop.blueprints.Edge 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 88 with Edge

use of com.tinkerpop.blueprints.Edge 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 89 with Edge

use of com.tinkerpop.blueprints.Edge in project blueprints by tinkerpop.

the class Neo4j2Graph method getEdges.

public Iterable<Edge> getEdges(final String key, final Object value) {
    this.autoStartTransaction(false);
    final AutoIndexer<?> indexer = this.rawGraph.index().getRelationshipAutoIndexer();
    if (indexer.isEnabled() && indexer.getAutoIndexedProperties().contains(key))
        return new Neo4j2EdgeIterable(this.rawGraph.index().getRelationshipAutoIndexer().getAutoIndex().get(key, value), this);
    else
        return new PropertyFilteredIterable<Edge>(key, value, this.getEdges());
}

Example 90 with Edge

use of com.tinkerpop.blueprints.Edge in project blueprints by tinkerpop.

the class Neo4j2BenchmarkTestSuite method testNeo4jGraph.

public void testNeo4jGraph() throws Exception {
    double totalTime = 0.0d;
    Graph graph = graphTest.generateGraph();
    GraphMLReader.inputGraph(graph, GraphMLReader.class.getResourceAsStream("graph-example-2.xml"));
    graph.shutdown();
    for (int i = 0; i < TOTAL_RUNS; i++) {
        graph = graphTest.generateGraph();
        this.stopWatch();
        int counter = 0;
        for (final Vertex vertex : graph.getVertices()) {
            counter++;
            for (final Edge edge : vertex.getEdges(com.tinkerpop.blueprints.Direction.OUT)) {
                counter++;
                final Vertex vertex2 = edge.getVertex(com.tinkerpop.blueprints.Direction.IN);
                counter++;
                for (final Edge edge2 : vertex2.getEdges(com.tinkerpop.blueprints.Direction.OUT)) {
                    counter++;
                    final Vertex vertex3 = edge2.getVertex(com.tinkerpop.blueprints.Direction.IN);
                    counter++;
                    for (final Edge edge3 : vertex3.getEdges(com.tinkerpop.blueprints.Direction.OUT)) {
                        counter++;
                        edge3.getVertex(com.tinkerpop.blueprints.Direction.OUT);
                        counter++;
                    }
                }
            }
        }
        double currentTime = this.stopWatch();
        totalTime = totalTime + currentTime;
        BaseTest.printPerformance(graph.toString(), counter, "Neo4j2Graph elements touched", currentTime);
        graph.shutdown();
    }
    BaseTest.printPerformance("Neo4j2Graph", 1, "Neo4j2Graph experiment average", totalTime / (double) TOTAL_RUNS);
}