Examples with Vertex com.baidu.hugegraph.computer.core.graph.vertex.Vertex used on opensource projects

Example 16 with Vertex

use of com.baidu.hugegraph.computer.core.graph.vertex.Vertex in project hugegraph-computer by hugegraph.

the class WriteBufferTest method testIsEmpty.

@Test
public void testIsEmpty() throws IOException {
    WriteBuffer buffer = new WriteBuffer(context, 10, 20);
    Assert.assertTrue(buffer.isEmpty());
    Vertex vertex = context.graphFactory().createVertex(BytesId.of(1L), new DoubleValue(0.5d));
    buffer.writeVertex(vertex);
    Assert.assertFalse(buffer.isEmpty());
}

Example 17 with Vertex

use of com.baidu.hugegraph.computer.core.graph.vertex.Vertex in project hugegraph-computer by hugegraph.

the class StreamGraphOutput method writeEdges.

@Override
public void writeEdges(Vertex vertex) throws IOException {
    KvEntryWriter writer = this.out.writeEntry(out -> {
        // Write id
        this.writeId(out, vertex.id());
    });
    if (this.frequency == EdgeFrequency.SINGLE) {
        for (Edge edge : vertex.edges()) {
            // Only use targetId as subKey, use properties as subValue
            writer.writeSubKv(out -> {
                this.writeId(out, edge.targetId());
            }, out -> {
                this.writeProperties(out, edge.properties());
            });
        }
    } else if (this.frequency == EdgeFrequency.SINGLE_PER_LABEL) {
        for (Edge edge : vertex.edges()) {
            // Use label + targetId as subKey, use properties as subValue
            writer.writeSubKv(out -> {
                this.writeLabel(out, edge.label());
                this.writeId(out, edge.targetId());
            }, out -> {
                this.writeProperties(out, edge.properties());
            });
        }
    } else {
        assert this.frequency == EdgeFrequency.MULTIPLE;
        for (Edge edge : vertex.edges()) {
            /*
                 * Use label + sortValues + targetId as subKey,
                 * use properties as subValue
                 */
            writer.writeSubKv(out -> {
                this.writeLabel(out, edge.label());
                this.writeLabel(out, edge.name());
                this.writeId(out, edge.targetId());
            }, out -> {
                this.writeProperties(out, edge.properties());
            });
        }
    }
    writer.writeFinish();
}

Example 18 with Vertex

use of com.baidu.hugegraph.computer.core.graph.vertex.Vertex in project hugegraph-computer by hugegraph.

the class ComputeManagerTest method addSingleFreqEdgeBuffer.

private static void addSingleFreqEdgeBuffer(Consumer<NetworkBuffer> consumer) throws IOException {
    for (long i = 0L; i < 200L; i++) {
        Vertex vertex = graphFactory().createVertex();
        vertex.id(BytesId.of(i));
        int count = RANDOM.nextInt(20);
        if (count == 0) {
            continue;
        }
        Edges edges = graphFactory().createEdges(count);
        for (long j = 0; j < count; j++) {
            Edge edge = graphFactory().createEdge();
            edge.targetId(BytesId.of(RANDOM.nextInt(200)));
            Properties properties = graphFactory().createProperties();
            properties.put("p1", new LongValue(i));
            edge.properties(properties);
            edges.add(edge);
        }
        vertex.edges(edges);
        ReceiverUtil.consumeBuffer(writeEdges(vertex, EdgeFrequency.SINGLE), consumer);
    }
}

Example 19 with Vertex

use of com.baidu.hugegraph.computer.core.graph.vertex.Vertex in project hugegraph-computer by hugegraph.

the class EdgesInputTest method add200VertexBuffer.

private static void add200VertexBuffer(Consumer<NetworkBuffer> consumer) throws IOException {
    for (long i = 0L; i < 200L; i += 2) {
        Vertex vertex = graphFactory().createVertex();
        vertex.id(BytesId.of(i));
        vertex.properties(graphFactory().createProperties());
        ReceiverUtil.consumeBuffer(writeVertex(vertex), consumer);
    }
}

Example 20 with Vertex

use of com.baidu.hugegraph.computer.core.graph.vertex.Vertex in project hugegraph-computer by hugegraph.

the class EdgesInputTest method addEdgeBuffer.

private static void addEdgeBuffer(Consumer<NetworkBuffer> consumer, EdgeFrequency freq) throws IOException {
    for (long i = 0L; i < 200L; i++) {
        Vertex vertex = graphFactory().createVertex();
        vertex.id(BytesId.of(i));
        int count = (int) i;
        if (count == 0) {
            continue;
        }
        Edges edges = graphFactory().createEdges(count);
        for (long j = 0; j < count; j++) {
            Edge edge = graphFactory().createEdge();
            switch(freq) {
                case SINGLE:
                    edge.targetId(BytesId.of(j));
                    break;
                case SINGLE_PER_LABEL:
                    edge.label(String.valueOf(j));
                    edge.targetId(BytesId.of(j));
                    break;
                case MULTIPLE:
                    edge.name(String.valueOf(j));
                    edge.label(String.valueOf(j));
                    edge.targetId(BytesId.of(j));
                    break;
                default:
                    throw new ComputerException("Illegal edge frequency %s", freq);
            }
            Properties properties = graphFactory().createProperties();
            properties.put("p1", new LongValue(i));
            edge.properties(properties);
            edges.add(edge);
        }
        vertex.edges(edges);
        ReceiverUtil.consumeBuffer(writeEdges(vertex, freq), consumer);
    }
}