Java Code Examples for org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter#writeGraph()

The following examples show how to use org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter#writeGraph() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: IoTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
/**
 * Only need to execute this test with TinkerGraph or other graphs that support user supplied identifiers.
 */
@Test
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_INTEGER_VALUES)
@FeatureRequirement(featureClass = EdgePropertyFeatures.class, feature = EdgePropertyFeatures.FEATURE_FLOAT_VALUES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_NUMERIC_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = Graph.Features.VertexPropertyFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VariableFeatures.class, feature = FEATURE_VARIABLES)
@LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
public void shouldWriteNormalizedGraphSON() throws Exception {
    try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
        final GraphSONMapper mapper = graph.io(graphson).mapper().version(GraphSONVersion.V1_0).normalize(true).create();
        final GraphSONWriter w = graph.io(graphson).writer().mapper(mapper).create();
        w.writeGraph(bos, graph);

        final String expected = streamToString(getResourceAsStream(GraphSONResourceAccess.class, "tinkerpop-classic-normalized-v1d0.json"));
        assertEquals(expected.replace("\n", "").replace("\r", ""), bos.toString().replace("\n", "").replace("\r", ""));
    }
}
Example 2
Source File: IoTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
/**
 * Only need to execute this test with TinkerGraph or other graphs that support user supplied identifiers.
 */
@Test
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_INTEGER_VALUES)
@FeatureRequirement(featureClass = EdgePropertyFeatures.class, feature = EdgePropertyFeatures.FEATURE_FLOAT_VALUES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_NUMERIC_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = Graph.Features.VertexPropertyFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VariableFeatures.class, feature = FEATURE_VARIABLES)
@LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
public void shouldWriteNormalizedGraphSON() throws Exception {
    try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
        final GraphSONMapper mapper = graph.io(graphson).mapper().version(GraphSONVersion.V2_0).typeInfo(TypeInfo.NO_TYPES).normalize(true).create();
        final GraphSONWriter w = graph.io(graphson).writer().mapper(mapper).create();
        w.writeGraph(bos, graph);

        final String expected = streamToString(getResourceAsStream(GraphSONResourceAccess.class, "tinkerpop-classic-normalized-v2d0.json"));
        assertEquals(expected.replace("\n", "").replace("\r", ""), bos.toString().replace("\n", "").replace("\r", ""));
    }
}
Example 3
Source File: IoTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
/**
 * Only need to execute this test with TinkerGraph or other graphs that support user supplied identifiers.
 */
@Test
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_INTEGER_VALUES)
@FeatureRequirement(featureClass = EdgePropertyFeatures.class, feature = EdgePropertyFeatures.FEATURE_FLOAT_VALUES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_NUMERIC_IDS)
@FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = Graph.Features.VertexPropertyFeatures.FEATURE_USER_SUPPLIED_IDS)
@FeatureRequirement(featureClass = Graph.Features.VariableFeatures.class, feature = FEATURE_VARIABLES)
@LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
public void shouldWriteNormalizedGraphSON() throws Exception {
    try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
        final GraphSONMapper mapper = graph.io(graphson).mapper().version(GraphSONVersion.V3_0).normalize(true).create();
        final GraphSONWriter w = graph.io(graphson).writer().mapper(mapper).create();
        w.writeGraph(bos, graph);

        final String expected = streamToString(getResourceAsStream(GraphSONResourceAccess.class, "tinkerpop-classic-normalized-v3d0.json"));
        assertEquals(expected.replace("\n", "").replace("\r", ""), bos.toString().replace("\n", "").replace("\r", ""));
    }
}
Example 4
Source File: MainGraphConnector.java    From egeria with Apache License 2.0 5 votes vote down vote up 
/**
 * {@inheritDoc}
 */
public String exportMainGraph() {
    OutputStream out = new ByteArrayOutputStream();
    GraphSONMapper mapper = GraphSONMapper.build().addCustomModule(JanusGraphSONModuleV2d0.getInstance()).create();
    GraphSONWriter writer = GraphSONWriter.build().mapper(mapper).wrapAdjacencyList(true).create();
    try {
        writer.writeGraph(out, mainGraph);
    } catch (IOException e) {
        log.error(e.getMessage());
    }
    return out.toString();
}
Example 5
Source File: AtlasJanusGraph.java    From atlas with Apache License 2.0 5 votes vote down vote up 
@Override
public void exportToGson(OutputStream os) throws IOException {
    GraphSONMapper         mapper  = getGraph().io(IoCore.graphson()).mapper().create();
    GraphSONWriter.Builder builder = GraphSONWriter.build();

    builder.mapper(mapper);

    GraphSONWriter writer = builder.create();

    writer.writeGraph(os, getGraph());
}
Example 6
Source File: Titan1Graph.java    From incubator-atlas with Apache License 2.0 5 votes vote down vote up 
@Override
public void exportToGson(OutputStream os) throws IOException {

    GraphSONMapper mapper = getGraph().io(IoCore.graphson()).mapper().create();
    GraphSONWriter.Builder builder = GraphSONWriter.build();
    builder.mapper(mapper);
    GraphSONWriter writer = builder.create();
    writer.writeGraph(os, getGraph());
}