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

Example 1 with Vertex

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

the class VertexMessageRecvPartitionTest method addTenVertexBuffer.

public static void addTenVertexBuffer(Consumer<ManagedBuffer> consumer) throws IOException {
    for (long i = 0L; i < 10L; i++) {
        Vertex vertex = graphFactory().createVertex();
        vertex.id(BytesId.of(i));
        vertex.properties(graphFactory().createProperties());
        ReceiverUtil.consumeBuffer(writeVertex(vertex), consumer);
    }
}

Example 2 with Vertex

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

the class FileGraphPartition method compute1.

private long compute1(ComputationContext context, Computation<M> computation, int superstep) {
    Value result = this.context.config().createObject(ComputerOptions.ALGORITHM_RESULT_CLASS);
    long activeVertexCount = 0L;
    while (this.vertexInput.hasNext()) {
        Vertex vertex = this.vertexInput.next();
        this.readVertexStatusAndValue(vertex, result);
        Iterator<M> messageIter = this.messageInput.iterator(this.vertexInput.idPointer());
        if (messageIter.hasNext()) {
            vertex.reactivate();
        }
        /*
             * If the vertex is inactive, it's edges will be skipped
             * automatically at the next vertex.
             */
        if (vertex.active()) {
            Edges edges = this.edgesInput.edges(this.vertexInput.idPointer());
            vertex.edges(edges);
            computation.compute(context, vertex, messageIter);
        }
        // The vertex status may be changed after computation
        if (vertex.active()) {
            activeVertexCount++;
        }
        try {
            this.saveVertexStatusAndValue(vertex);
        } catch (IOException e) {
            throw new ComputerException("Error occurred when saveVertex", e);
        }
    }
    return activeVertexCount;
}

Example 3 with Vertex

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

the class FileGraphPartition method compute0.

private long compute0(ComputationContext context, Computation<M> computation) {
    long activeVertexCount = 0L;
    while (this.vertexInput.hasNext()) {
        Vertex vertex = this.vertexInput.next();
        vertex.reactivate();
        Edges edges = this.edgesInput.edges(this.vertexInput.idPointer());
        vertex.edges(edges);
        computation.compute0(context, vertex);
        if (vertex.active()) {
            activeVertexCount++;
        }
        try {
            this.saveVertexStatusAndValue(vertex);
        } catch (IOException e) {
            throw new ComputerException("Error occurred when saveVertex: %s", e, vertex);
        }
    }
    return activeVertexCount;
}

Example 4 with Vertex

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

the class ComputeManagerTest method add200VertexBuffer.

private static void add200VertexBuffer(Consumer<ManagedBuffer> 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 5 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<ManagedBuffer> 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);
    }
}