Package com.tinkerpop.gremlin.structure

Examples of com.tinkerpop.gremlin.structure.Vertex$Iterators

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        // value pair as it will foul up insertion (i.e. an exception for graphs that don't support it and the
        // id will become the value of the vertex id which might not be expected.
        final Optional<Object[]> kvs = this.baseSupportsSuppliedVertexId && T.id.getAccessor().equals(vertexIdKey) ?
                Optional.ofNullable(keyValues) : ElementHelper.remove(T.id, keysVals);

        Vertex currentVertex;
        if (!incrementalLoading)
            currentVertex = kvs.isPresent() ? baseGraph.addVertex(kvs.get()) : baseGraph.addVertex();
        else {
            final Traversal<Vertex, Vertex> traversal = baseGraph.V().has(vertexIdKey, id);
            if (traversal.hasNext()) {
                final Vertex v = traversal.next();
                if (traversal.hasNext())
                    throw new IllegalStateException(String.format("There is more than one vertex identified by %s=%s", vertexIdKey, id));

                // let the caller decide how to handle conflict
                kvs.ifPresent(keyvals -> existingVertexStrategy.accept(v, keyvals));
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    @Override
    public Vertex v(final Object id) {
        if ((previousOutVertexId != null) && (previousOutVertexId.equals(id)))
            return new BatchVertex(previousOutVertexId);
        else {
            Vertex v = retrieveFromCache(id);
            if (null == v) {
                if (!incrementalLoading) return null;
                else {
                    final Iterator<Vertex> iter = baseGraph.V().has(vertexIdKey, id);
                    if (!iter.hasNext()) return null;
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                final int randomDegree = degreeDist.nextValue(random);
                final int degree = Math.min(randomDegree, (int) Math.ceil((community.size() - 1) / inCommunityPercentage) - 1);
                final Set<Vertex> inlinks = new HashSet<>();
                final Set<Vertex> outlinks = new HashSet<>();
                for (int i = 0; i < degree; i++) {
                    Vertex selected = null;
                    if (random.nextDouble() < crossCommunityPercentage || (community.size() - 1 <= inlinks.size())) {
                        //Cross community
                        int tries = 0;
                        ArrayList<Vertex> othercomm = null;
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        final Traversal<Vertex, Vertex> traversal = get_g_v4_out_asXhereX_hasXlang_javaX_backXhereX(convertToVertexId("josh"));
        printTraversalForm(traversal);
        int counter = 0;
        while (traversal.hasNext()) {
            counter++;
            final Vertex vertex = traversal.next();
            assertEquals("java", vertex.<String>value("lang"));
            assertTrue(vertex.value("name").equals("ripple") || vertex.value("name").equals("lop"));
        }
        assertEquals(2, counter);
    }
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        generateClassic(g);
        return g;
    }

    public static void generateClassic(final TinkerGraph g) {
        final Vertex marko = g.addVertex(T.id, 1, "name", "marko", "age", 29);
        final Vertex vadas = g.addVertex(T.id, 2, "name", "vadas", "age", 27);
        final Vertex lop = g.addVertex(T.id, 3, "name", "lop", "lang", "java");
        final Vertex josh = g.addVertex(T.id, 4, "name", "josh", "age", 32);
        final Vertex ripple = g.addVertex(T.id, 5, "name", "ripple", "lang", "java");
        final Vertex peter = g.addVertex(T.id, 6, "name", "peter", "age", 35);
        marko.addEdge("knows", vadas, T.id, 7, "weight", 0.5f);
        marko.addEdge("knows", josh, T.id, 8, "weight", 1.0f);
        marko.addEdge("created", lop, T.id, 9, "weight", 0.4f);
        josh.addEdge("created", ripple, T.id, 10, "weight", 1.0f);
        josh.addEdge("created", lop, T.id, 11, "weight", 0.4f);
        peter.addEdge("created", lop, T.id, 12, "weight", 0.2f);
    }
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        generateModern(g);
        return g;
    }

    public static void generateModern(final TinkerGraph g) {
        final Vertex marko = g.addVertex(T.id, 1, T.label, "person", "name", "marko", "age", 29);
        final Vertex vadas = g.addVertex(T.id, 2, T.label, "person", "name", "vadas", "age", 27);
        final Vertex lop = g.addVertex(T.id, 3, T.label, "software", "name", "lop", "lang", "java");
        final Vertex josh = g.addVertex(T.id, 4, T.label, "person", "name", "josh", "age", 32);
        final Vertex ripple = g.addVertex(T.id, 5, T.label, "software", "name", "ripple", "lang", "java");
        final Vertex peter = g.addVertex(T.id, 6, T.label, "person", "name", "peter", "age", 35);
        marko.addEdge("knows", vadas, T.id, 7, "weight", 0.5d);
        marko.addEdge("knows", josh, T.id, 8, "weight", 1.0d);
        marko.addEdge("created", lop, T.id, 9, "weight", 0.4d);
        josh.addEdge("created", ripple, T.id, 10, "weight", 1.0d);
        josh.addEdge("created", lop, T.id, 11, "weight", 0.4d);
        peter.addEdge("created", lop, T.id, 12, "weight", 0.2d);
    }
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        generateTheCrew(g);
        return g;
    }

    public static void generateTheCrew(final TinkerGraph g) {
        final Vertex marko = g.addVertex(T.id, 1, T.label, "person", "name", "marko", Graph.Key.hide("visible"), true);
        final Vertex stephen = g.addVertex(T.id, 7, T.label, "person", "name", "stephen", Graph.Key.hide("visible"), true);
        final Vertex matthias = g.addVertex(T.id, 8, T.label, "person", "name", "matthias", Graph.Key.hide("visible"), true);
        final Vertex daniel = g.addVertex(T.id, 9, T.label, "person", "name", "daniel", Graph.Key.hide("visible"), false);
        final Vertex gremlin = g.addVertex(T.id, 10, T.label, "software", "name", "gremlin", Graph.Key.hide("visible"), true);
        final Vertex tinkergraph = g.addVertex(T.id, 11, T.label, "software", "name", "tinkergraph", Graph.Key.hide("visible"), false);

        marko.property("location", "san diego", "startTime", 1997, "endTime", 2001);
        marko.property("location", "santa cruz", "startTime", 2001, "endTime", 2004);
        marko.property("location", "brussels", "startTime", 2004, "endTime", 2005);
        marko.property("location", "santa fe", "startTime", 2005);
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        int position = 0;
        for (Vertex v : in) {
            processVertex(v, Collections.EMPTY_MAP);
            final int degree = this.inDistribution.nextConditionalValue(inRandom, this.outDistribution.nextValue(outRandom));
            for (int i = 0; i < degree; i++) {
                Vertex other = null;
                while (null == other) {
                    if (position >= outStubs.size()) return addedEdges; //No more edges to connect
                    other = outStubs.get(position);
                    position++;
                    if (!allowLoops && v.equals(other)) other = null;
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                        break;
                    case GraphSONTokens.EDGES:
                        parser.nextToken();
                        while (parser.nextToken() != JsonToken.END_ARRAY) {
                            final JsonNode node = parser.readValueAsTree();
                            final Vertex inV = graph.v(GraphSONUtility.getTypedValueFromJsonNode(node.get(GraphSONTokens._IN_V)));
                            final Vertex outV = graph.v(GraphSONUtility.getTypedValueFromJsonNode(node.get(GraphSONTokens._OUT_V)));
                            graphson.edgeFromJson(node, outV, inV);
                        }
                        break;
                    default:
                        throw new IllegalStateException(String.format("Unexpected token in GraphSON - %s", fieldName));
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        public Vertex vertexFromJson(final JsonNode json) throws IOException {
            final Map<String, Object> props = readProperties(json);

            final Object vertexId = getTypedValueFromJsonNode(json.get(GraphSONTokens._ID));
            final Vertex v = g.addVertex(T.id, vertexId);

            for (Map.Entry<String, Object> entry : props.entrySet()) {
                v.property(entry.getKey(), entry.getValue());
            }

            return v;
        }
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Related Classes of com.tinkerpop.gremlin.structure.Vertex$Iterators

  • com.tinkerpop.gremlin.algorithm.generator.AbstractGeneratorTest
  • com.tinkerpop.gremlin.algorithm.generator.CommunityGenerator
  • com.tinkerpop.gremlin.algorithm.generator.DistributionGenerator
  • com.tinkerpop.gremlin.driver.ResultTest
  • com.tinkerpop.gremlin.driver.ser.JsonMessageSerializerGremlinV1d0Test
  • com.tinkerpop.gremlin.driver.ser.JsonMessageSerializerV1d0Test
  • com.tinkerpop.gremlin.driver.ser.KryoMessageSerializerV1d0Test
  • com.tinkerpop.gremlin.giraph.structure.io.graphson.GraphSONRecordReaderWriterTest
  • com.tinkerpop.gremlin.giraph.structure.io.graphson.GraphSONRecordWriter
  • com.tinkerpop.gremlin.giraph.structure.io.graphson.VertexStreamIteratorTest
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