Package com.tinkerpop.gremlin.structure.io.graphson

Examples of com.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter

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    @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)
    @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
    public void shouldWriteNormalizedGraphSON() throws Exception {
        try (ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
            final GraphSONWriter w = GraphSONWriter.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .normalize(true).create();
            w.writeGraph(bos, g);

            final String expected = streamToString(IoTest.class.getResourceAsStream(GRAPHSON_RESOURCE_PATH_PREFIX + "tinkerpop-classic-normalized.json"));
            assertEquals(expected.replace("\n", "").replace("\r", ""), bos.toString().replace("\n", "").replace("\r", ""));
        }
    }
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    @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
    @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
    @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
    public void shouldReadWriteClassicToGraphSON() throws Exception {
        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeGraph(os, g);

            final Configuration configuration = graphProvider.newGraphConfiguration("readGraph", this.getClass(), name.getMethodName());
            graphProvider.clear(configuration);
            final Graph g1 = graphProvider.openTestGraph(configuration);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
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    @LoadGraphWith(LoadGraphWith.GraphData.MODERN)
    @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
    @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
    public void shouldReadWriteModernToGraphSON() throws Exception {
        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeGraph(os, g);

            final Configuration configuration = graphProvider.newGraphConfiguration("readGraph", this.getClass(), name.getMethodName());
            graphProvider.clear(configuration);
            final Graph g1 = graphProvider.openTestGraph(configuration);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
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    @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_NUMERIC_IDS)
    @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
    @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
    public void shouldReadWriteCrewToGraphSON() throws Exception {
        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeGraph(os, g);

            final Configuration configuration = graphProvider.newGraphConfiguration("readGraph", this.getClass(), name.getMethodName());
            graphProvider.clear(configuration);
            final Graph g1 = graphProvider.openTestGraph(configuration);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
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        final Vertex v1 = g.addVertex(T.label, "person");
        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e = v1.addEdge("friend", v2, "weight", 0.5f, Graph.Key.hide("acl"), "rw");

        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readEdge(bais, detachedEdge -> {
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        final Vertex v1 = g.addVertex(T.label, "person");
        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e = DetachedEdge.detach(v1.addEdge("friend", v2, "weight", 0.5f, Graph.Key.hide("acl"), "rw"), true);

        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readEdge(bais, detachedEdge -> {
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        final Vertex v1 = g.addVertex(T.label, "person");
        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e = DetachedEdge.detach(v1.addEdge("friend", v2, "weight", 0.5f, Graph.Key.hide("acl"), "rw"));

        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readEdge(bais, detachedEdge -> {
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        final Vertex v1 = g.addVertex(T.id, 1l, T.label, "person");
        final Vertex v2 = g.addVertex(T.id, 2l, T.label, "person");
        final Edge e = v1.addEdge("friend", v2, "weight", 0.5f, Graph.Key.hide("acl"), "rw");

        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .embedTypes(true)
                    .create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .embedTypes(true)
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        final Vertex v1 = g.addVertex(T.label, "person");
        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e = v1.addEdge("friend", v2, "uuid", id);

        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .embedTypes(true)
                    .create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .embedTypes(true)
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        final Vertex v1 = g.addVertex("name", "marko", Graph.Key.hide("acl"), "rw");
        final Vertex v2 = g.addVertex();
        v1.addEdge("friends", v2, "weight", 0.5f);

        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeVertex(os, v1);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readVertex(bais, detachedVertex -> {
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Related Classes of com.tinkerpop.gremlin.structure.io.graphson.GraphSONWriter

  • com.tinkerpop.gremlin.structure.IoTest
  • java.io.OutputStreamWriter
  • java.io.BufferedWriter
  • java.io.ByteArrayOutputStream
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