Examples of com.tinkerpop.gremlin.structure.io.GraphReader

Package com.tinkerpop.gremlin.structure.io

Examples of com.tinkerpop.gremlin.structure.io.GraphReader

com.tinkerpop.gremlin.structure.io.GraphReader
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    @FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_BOOLEAN_VALUES)
    @FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_LONG_VALUES)
    @FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_DOUBLE_VALUES)
    @FeatureRequirement(featureClass = EdgePropertyFeatures.class, feature = EdgePropertyFeatures.FEATURE_FLOAT_VALUES)
    public void shouldReadGraphMLAnAllSupportedDataTypes() throws IOException {
        final GraphReader reader = GraphMLReader.build().create();
        try (final InputStream stream = IoTest.class.getResourceAsStream(GRAPHML_RESOURCE_PATH_PREFIX + "graph-types.xml")) {
            reader.readGraph(stream, g);
        }


        final Vertex v = g.V().next();
        assertEquals(123.45d, v.value("d"), 0.000001d);
        assertEquals("some-string", v.<String>value("s"));

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                    "g2", this.getClass(), name.getMethodName());
            graphProvider.clear(configuration);
            final Graph g2 = graphProvider.openTestGraph(configuration);


            try (final InputStream is = new ByteArrayInputStream(baos.toByteArray())) {
                final GraphReader reader = GraphSONReader.build()
                        .embedTypes(true)
                        .customModule(module).create();
                reader.readGraph(is, g2);
            }


            final Vertex v2 = g2.V().next();
            final CustomId customId = (CustomId) v2.id();
            assertEquals(id, customId.getElementId());

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    @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
    @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)
    public void shouldReadLegacyGraphSON() throws IOException {
        final GraphReader reader = LegacyGraphSONReader.build().build();
        try (final InputStream stream = IoTest.class.getResourceAsStream(GRAPHSON_RESOURCE_PATH_PREFIX + "tinkerpop-classic-legacy.json")) {
            reader.readGraph(stream, g);
        }


        // the id is lossy in migration because TP2 treated ID as String
        assertClassicGraph(g, false, true);
    }

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        final Validator validator = schema.newValidator();
        validator.validate(xmlFile);
    }


    private static void readGraphMLIntoGraph(final Graph g) throws IOException {
        final GraphReader reader = GraphMLReader.build().create();
        try (final InputStream stream = IoTest.class.getResourceAsStream(GRAPHML_RESOURCE_PATH_PREFIX + "tinkerpop-classic.xml")) {
            reader.readGraph(stream, g);
        }
    }

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     * GraphML source as it will always use a String identifier.
     */
    @Test
    public void shouldWriteGratefulDead() throws IOException {
        final Graph g = TinkerGraph.open();
        final GraphReader reader = KryoReader.build().create();
        try (final InputStream stream = AbstractGremlinTest.class.getResourceAsStream("/com/tinkerpop/gremlin/structure/io/kryo/grateful-dead.gio")) {
            reader.readGraph(stream, g);
        }


        final Graph ng = TinkerGraph.open();
        g.V().sideEffect(ov -> {
            final Vertex v = ov.get();

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        final File root = new File(clsPath.substring(0, clsPath.length() - clsUri.length()));
        return new File(root.getParentFile(), "test-data");
    }


    protected void readIntoGraph(final Graph g, final String path) throws IOException {
        final GraphReader reader = KryoReader.build()
                .workingDirectory(File.separator + "tmp")
                .custom(createConfiguredGremlinKryo())
                .create();
        try (final InputStream stream = AbstractGremlinTest.class.getResourceAsStream(path)) {
            reader.readGraph(stream, g);
        }
    }

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Related Classes of com.tinkerpop.gremlin.structure.io.GraphReader

com.tinkerpop.gremlin.AbstractGraphProvider

com.tinkerpop.gremlin.structure.IoTest

com.tinkerpop.gremlin.tinkergraph.structure.TinkerGraphTest

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