Examples with Edge com.baidu.hugegraph.structure.graph.Edge used on opensource projects

Example 91 with Edge

use of com.baidu.hugegraph.structure.graph.Edge in project incubator-hugegraph-toolchain by apache.

the class EdgeApiTest method testCreateWithoutSourceOrTargetLabel.

@Test
public void testCreateWithoutSourceOrTargetLabel() {
    Object outVId = getVertexId("person", "name", "peter");
    Object inVId = getVertexId("software", "name", "lop");
    Edge edge = new Edge("created");
    edge.sourceId(outVId);
    edge.targetId(inVId);
    edge.property("date", "2017-03-24");
    edge.property("city", "Hongkong");
    edge = edgeAPI.create(edge);
    Assert.assertEquals("created", edge.label());
    Assert.assertEquals("person", edge.sourceLabel());
    Assert.assertEquals("software", edge.targetLabel());
    Assert.assertEquals(outVId, edge.sourceId());
    Assert.assertEquals(inVId, edge.targetId());
    String date = Utils.formatDate("2017-03-24");
    Map<String, Object> props = ImmutableMap.of("date", date, "city", "Hongkong");
    Assert.assertEquals(props, edge.properties());
}

Example 92 with Edge

use of com.baidu.hugegraph.structure.graph.Edge in project incubator-hugegraph-toolchain by apache.

the class GraphManager method addEdge.

public Edge addEdge(Object sourceId, String label, Object targetId, Map<String, Object> properties) {
    Edge edge = new Edge(label);
    edge.sourceId(sourceId);
    edge.targetId(targetId);
    this.attachProperties(edge, properties);
    return this.addEdge(edge);
}

Example 93 with Edge

use of com.baidu.hugegraph.structure.graph.Edge in project incubator-hugegraph-toolchain by apache.

the class GraphManager method getEdge.

public Edge getEdge(String edgeId) {
    Edge edge = this.edgeAPI.get(edgeId);
    this.attachManager(edge);
    return edge;
}

Example 94 with Edge

use of com.baidu.hugegraph.structure.graph.Edge in project incubator-hugegraph-toolchain by apache.

the class BatchExample method main.

public static void main(String[] args) {
    // If connect failed will throw a exception.
    HugeClient hugeClient = HugeClient.builder("http://localhost:8080", "hugegraph").build();
    SchemaManager schema = hugeClient.schema();
    schema.propertyKey("name").asText().ifNotExist().create();
    schema.propertyKey("age").asInt().ifNotExist().create();
    schema.propertyKey("lang").asText().ifNotExist().create();
    schema.propertyKey("date").asDate().ifNotExist().create();
    schema.propertyKey("price").asInt().ifNotExist().create();
    schema.vertexLabel("person").properties("name", "age").primaryKeys("name").ifNotExist().create();
    schema.vertexLabel("person").properties("price").nullableKeys("price").append();
    schema.vertexLabel("software").properties("name", "lang", "price").primaryKeys("name").ifNotExist().create();
    schema.indexLabel("softwareByPrice").onV("software").by("price").range().ifNotExist().create();
    schema.edgeLabel("knows").link("person", "person").properties("date").ifNotExist().create();
    schema.edgeLabel("created").link("person", "software").properties("date").ifNotExist().create();
    schema.indexLabel("createdByDate").onE("created").by("date").secondary().ifNotExist().create();
    // get schema object by name
    System.out.println(schema.getPropertyKey("name"));
    System.out.println(schema.getVertexLabel("person"));
    System.out.println(schema.getEdgeLabel("knows"));
    System.out.println(schema.getIndexLabel("createdByDate"));
    // list all schema objects
    System.out.println(schema.getPropertyKeys());
    System.out.println(schema.getVertexLabels());
    System.out.println(schema.getEdgeLabels());
    System.out.println(schema.getIndexLabels());
    GraphManager graph = hugeClient.graph();
    Vertex marko = new Vertex("person").property("name", "marko").property("age", 29);
    Vertex vadas = new Vertex("person").property("name", "vadas").property("age", 27);
    Vertex lop = new Vertex("software").property("name", "lop").property("lang", "java").property("price", 328);
    Vertex josh = new Vertex("person").property("name", "josh").property("age", 32);
    Vertex ripple = new Vertex("software").property("name", "ripple").property("lang", "java").property("price", 199);
    Vertex peter = new Vertex("person").property("name", "peter").property("age", 35);
    Edge markoKnowsVadas = new Edge("knows").source(marko).target(vadas).property("date", "2016-01-10");
    Edge markoKnowsJosh = new Edge("knows").source(marko).target(josh).property("date", "2013-02-20");
    Edge markoCreateLop = new Edge("created").source(marko).target(lop).property("date", "2017-12-10");
    Edge joshCreateRipple = new Edge("created").source(josh).target(ripple).property("date", "2017-12-10");
    Edge joshCreateLop = new Edge("created").source(josh).target(lop).property("date", "2009-11-11");
    Edge peterCreateLop = new Edge("created").source(peter).target(lop).property("date", "2017-03-24");
    List<Vertex> vertices = new ArrayList<>();
    vertices.add(marko);
    vertices.add(vadas);
    vertices.add(lop);
    vertices.add(josh);
    vertices.add(ripple);
    vertices.add(peter);
    List<Edge> edges = new ArrayList<>();
    edges.add(markoKnowsVadas);
    edges.add(markoKnowsJosh);
    edges.add(markoCreateLop);
    edges.add(joshCreateRipple);
    edges.add(joshCreateLop);
    edges.add(peterCreateLop);
    vertices = graph.addVertices(vertices);
    vertices.forEach(vertex -> System.out.println(vertex));
    edges = graph.addEdges(edges, false);
    edges.forEach(edge -> System.out.println(edge));
    hugeClient.close();
}

Example 95 with Edge

use of com.baidu.hugegraph.structure.graph.Edge in project incubator-hugegraph-toolchain by apache.

the class FileLoadTest method testAutoCreateSchema.

/**
 * NOTE: Unsupport auto create schema
 */
// @Test
public void testAutoCreateSchema() {
    String[] args = new String[] { "-f", "example/struct.json", "-g", GRAPH, "-h", SERVER, "--batch-insert-threads", "2" };
    HugeGraphLoader.main(args);
    List<PropertyKey> propertyKeys = CLIENT.schema().getPropertyKeys();
    propertyKeys.forEach(pkey -> {
        Assert.assertEquals(DataType.TEXT, pkey.dataType());
    });
    List<Vertex> vertices = CLIENT.graph().listVertices();
    List<Edge> edges = CLIENT.graph().listEdges();
    Assert.assertEquals(7, vertices.size());
    Assert.assertEquals(6, edges.size());
    boolean interestedVertex = false;
    for (Vertex vertex : vertices) {
        Assert.assertEquals(String.class, vertex.id().getClass());
        if (((String) vertex.id()).contains("li,nary")) {
            interestedVertex = true;
            Assert.assertEquals("26", vertex.property("age"));
            Assert.assertEquals("Wu,han", vertex.property("city"));
        }
    }
    Assert.assertTrue(interestedVertex);
    boolean interestedEdge = false;
    for (Edge edge : edges) {
        Assert.assertEquals(String.class, edge.sourceId().getClass());
        Assert.assertEquals(String.class, edge.targetId().getClass());
        if (((String) edge.sourceId()).contains("marko") && ((String) edge.targetId()).contains("vadas")) {
            interestedEdge = true;
            Assert.assertEquals("20160110", edge.property("date"));
            Assert.assertEquals("0.5", edge.property("weight"));
        }
    }
    Assert.assertTrue(interestedEdge);
}