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

Example 6 with GraphFactory

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

the class JsonStructGraphOutputTest method testWriteReadVertexWithProperties.

@Test
public void testWriteReadVertexWithProperties() throws IOException {
    UnitTestBase.updateOptions(ComputerOptions.OUTPUT_WITH_ADJACENT_EDGES, "false", ComputerOptions.OUTPUT_WITH_VERTEX_PROPERTIES, "true", ComputerOptions.OUTPUT_WITH_EDGE_PROPERTIES, "false", ComputerOptions.OUTPUT_RESULT_NAME, "rank");
    ComputerContext context = context();
    GraphFactory factory = context.graphFactory();
    Id longId = BytesId.of(100L);
    IdListList idListList = new IdListList();
    IdList idList1 = new IdList();
    idList1.add(BytesId.of(66L));
    IdList idList2 = new IdList();
    idList2.add(BytesId.of(998L));
    idList2.add(BytesId.of(999L));
    idListList.add(idList1);
    idListList.add(idList2);
    Vertex vertex = factory.createVertex(longId, idListList);
    vertex.properties().put("boolean", new BooleanValue(true));
    vertex.properties().put("byte", new IntValue(127));
    vertex.properties().put("short", new IntValue(16383));
    vertex.properties().put("int", new IntValue(1000000));
    vertex.properties().put("long", new LongValue(10000000000L));
    vertex.properties().put("float", new FloatValue(0.1F));
    vertex.properties().put("double", new DoubleValue(-0.01D));
    vertex.properties().put("idvalue", longId);
    String fileName = "output.json";
    File file = new File(fileName);
    try {
        BufferedFileOutput dos = new BufferedFileOutput(file);
        StructGraphOutput output = (StructGraphOutput) IOFactory.createGraphOutput(context, OutputFormat.JSON, dos);
        output.writeVertex(vertex);
        dos.close();
        @SuppressWarnings("deprecation") String json = FileUtils.readFileToString(file);
        Assert.assertEquals("{\"id\":100,\"rank\":[[66],[998,999]]," + "\"properties\":{\"boolean\":true," + "\"byte\":127,\"double\":-0.01," + "\"short\":16383,\"idvalue\":100," + "\"float\":0.1,\"int\":1000000," + "\"long\":10000000000}}" + System.lineSeparator(), json);
    } finally {
        FileUtils.deleteQuietly(file);
    }
}

Example 7 with GraphFactory

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

the class StreamGraphOutputInputTest method testWriteReadEdgesWithSingleFrequency.

@Test
public void testWriteReadEdgesWithSingleFrequency() throws Exception {
    UnitTestBase.updateOptions(ComputerOptions.INPUT_EDGE_FREQ, "SINGLE");
    ComputerContext context = ComputerContext.instance();
    GraphFactory graphFactory = context.graphFactory();
    Id longId = BytesId.of(100L);
    LongValue longValue = new LongValue(999L);
    Vertex vertex = graphFactory().createVertex(longId, longValue);
    vertex.addEdge(graphFactory.createEdge(BytesId.of(2L)));
    vertex.addEdge(graphFactory.createEdge("knows", BytesId.of(3L)));
    vertex.addEdge(graphFactory.createEdge("watch", BytesId.of(3L)));
    vertex.addEdge(graphFactory.createEdge("watch", "1111", BytesId.of(4L)));
    vertex.addEdge(graphFactory.createEdge("watch", "2222", BytesId.of(4L)));
    byte[] bytes;
    try (BytesOutput bao = IOFactory.createBytesOutput(Constants.SMALL_BUF_SIZE)) {
        StreamGraphOutput output = newStreamGraphOutput(bao);
        output.writeEdges(vertex);
        bytes = bao.toByteArray();
        bytes = reweaveBytes(bytes);
    }
    try (BytesInput bai = IOFactory.createBytesInput(bytes)) {
        StreamGraphInput input = newStreamGraphInput(bai);
        assertEdgesEqual(vertex, input.readEdges(), EdgeFrequency.SINGLE);
    }
}

Example 8 with GraphFactory

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

the class CsvStructGraphOutputTest method testWriteReadVertexWithEdges.

@Test
public void testWriteReadVertexWithEdges() throws IOException {
    UnitTestBase.updateOptions(ComputerOptions.OUTPUT_WITH_ADJACENT_EDGES, "true", ComputerOptions.OUTPUT_WITH_VERTEX_PROPERTIES, "false", ComputerOptions.OUTPUT_WITH_EDGE_PROPERTIES, "false");
    ComputerContext context = context();
    GraphFactory factory = context.graphFactory();
    Id longId = BytesId.of(100L);
    IdList idList = new IdList();
    idList.add(BytesId.of(998L));
    idList.add(BytesId.of(999L));
    Vertex vertex = factory.createVertex(longId, idList);
    vertex.addEdge(factory.createEdge("knows", BytesId.of(200)));
    vertex.addEdge(factory.createEdge("watch", "1111", BytesId.of(300)));
    String fileName = "output2.csv";
    File file = new File(fileName);
    try {
        BufferedFileOutput dos = new BufferedFileOutput(file);
        StructGraphOutput output = (StructGraphOutput) IOFactory.createGraphOutput(context, OutputFormat.CSV, dos);
        output.writeVertex(vertex);
        dos.close();
        @SuppressWarnings("deprecation") String text = FileUtils.readFileToString(file);
        Assert.assertEquals("100,[998,999],[{200,\"knows\",\"\"}," + "{300,\"watch\",\"1111\"}]" + System.lineSeparator(), text);
    } finally {
        FileUtils.deleteQuietly(file);
    }
}

Example 9 with GraphFactory

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

the class CsvStructGraphOutputTest method testWriteReadVertexWithProperties.

@Test
public void testWriteReadVertexWithProperties() throws IOException {
    UnitTestBase.updateOptions(ComputerOptions.OUTPUT_WITH_ADJACENT_EDGES, "false", ComputerOptions.OUTPUT_WITH_VERTEX_PROPERTIES, "true", ComputerOptions.OUTPUT_WITH_EDGE_PROPERTIES, "false");
    ComputerContext context = context();
    GraphFactory factory = context.graphFactory();
    Id longId = BytesId.of(100L);
    IdListList idListList = new IdListList();
    IdList idList1 = new IdList();
    idList1.add(BytesId.of(66L));
    IdList idList2 = new IdList();
    idList2.add(BytesId.of(998L));
    idList2.add(BytesId.of(999L));
    idListList.add(idList1);
    idListList.add(idList2);
    Vertex vertex = factory.createVertex(longId, idListList);
    vertex.properties().put("boolean", new BooleanValue(true));
    vertex.properties().put("byte", new IntValue(127));
    vertex.properties().put("short", new IntValue(16383));
    vertex.properties().put("int", new IntValue(1000000));
    vertex.properties().put("long", new LongValue(10000000000L));
    vertex.properties().put("float", new FloatValue(0.1F));
    vertex.properties().put("double", new DoubleValue(-0.01D));
    vertex.properties().put("idvalue", longId);
    String fileName = "output3.csv";
    File file = new File(fileName);
    try {
        BufferedFileOutput dos = new BufferedFileOutput(file);
        StructGraphOutput output = (StructGraphOutput) IOFactory.createGraphOutput(context, OutputFormat.CSV, dos);
        output.writeVertex(vertex);
        dos.close();
        @SuppressWarnings("deprecation") String text = FileUtils.readFileToString(file);
        Assert.assertEquals("100,[[66],[998,999]],{true,127,-0.01,16383," + "100,0.1,1000000,10000000000}" + System.lineSeparator(), text);
    } finally {
        FileUtils.deleteQuietly(file);
    }
}

Example 10 with GraphFactory

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

the class PointerCombinerTest method testVertexPropertiesCombiner.

@Test
public void testVertexPropertiesCombiner() throws IOException {
    Config config = UnitTestBase.updateWithRequiredOptions(ComputerOptions.WORKER_COMBINER_CLASS, DoubleValueSumCombiner.class.getName(), ComputerOptions.WORKER_VERTEX_PROPERTIES_COMBINER_CLASS, MergeOldPropertiesCombiner.class.getName());
    Combiner<Properties> valueCombiner = config.createObject(ComputerOptions.WORKER_VERTEX_PROPERTIES_COMBINER_CLASS);
    GraphFactory graphFactory = graphFactory();
    PointerCombiner combiner = SorterTestUtil.createPointerCombiner(graphFactory::createProperties, valueCombiner);
    try (BytesOutput bytesOutput1 = IOFactory.createBytesOutput(Constants.SMALL_BUF_SIZE);
        BytesOutput bytesOutput2 = IOFactory.createBytesOutput(Constants.SMALL_BUF_SIZE)) {
        Properties value1 = graphFactory.createProperties();
        value1.put("p1", new LongValue(1L));
        Properties value2 = graphFactory.createProperties();
        value2.put("p2", new LongValue(2L));
        value1.write(bytesOutput1);
        value2.write(bytesOutput2);
        Pointer pointer1 = new InlinePointer(bytesOutput1.buffer(), bytesOutput1.position());
        Pointer pointer2 = new InlinePointer(bytesOutput2.buffer(), bytesOutput2.position());
        Pointer pointer = combiner.combine(pointer1, pointer2);
        BytesInput input = IOFactory.createBytesInput(pointer.bytes());
        Properties combinedValue = graphFactory.createProperties();
        combinedValue.read(input);
        Map<String, Value> map = combinedValue.get();
        Assert.assertEquals(2, map.size());
        Assert.assertEquals(new LongValue(1L), map.get("p1"));
        Assert.assertEquals(new LongValue(2L), map.get("p2"));
    }
}