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

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

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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();
            final DetachedVertex dv = DetachedVertex.detach(v1);
            writer.writeVertex(os, dv);

            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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        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();
            final DetachedVertex dv = DetachedVertex.detach(v1, true);
            writer.writeVertex(os, dv);

            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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        v1.property("propsSquared", 123, "x", "a", "y", "b");
        final Vertex v2 = g.addVertex();
        v1.addEdge("friends", v2, "weight", 0.5d);

        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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    @Test
    @LoadGraphWith(LoadGraphWith.GraphData.CLASSIC)
    public void shouldReadWriteVerticesNoEdgesToGraphSONManual() throws Exception {
        try (final ByteArrayOutputStream os = new ByteArrayOutputStream()) {
            final GraphSONWriter writer = GraphSONWriter.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            writer.writeVertices(os, g.V().has("age", Compare.gt, 30));

            final AtomicInteger called = new AtomicInteger(0);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            final BufferedReader br = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(os.toByteArray())));
            String line = br.readLine();
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        final Vertex v1 = g.addVertex("name", "marko", T.label, "person");
        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e = 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, Direction.OUT);

            final AtomicBoolean calledVertex = new AtomicBoolean(false);
            final AtomicBoolean calledEdge = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
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        final Vertex v1 = g.addVertex("name", "marko", T.label, "person");
        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e = v2.addEdge("friends", v1, "weight", 0.5f);

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

            final AtomicBoolean calledVertex = new AtomicBoolean(false);
            final AtomicBoolean calledEdge = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
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        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e1 = v2.addEdge("friends", v1, "weight", 0.5f);
        final Edge e2 = v1.addEdge("friends", v2, "weight", 1.0f);

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

            final AtomicBoolean vertexCalled = new AtomicBoolean(false);
            final AtomicBoolean edge1Called = new AtomicBoolean(false);
            final AtomicBoolean edge2Called = new AtomicBoolean(false);
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        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e1 = v2.addEdge("friends", v1, "weight", 0.5f);
        final Edge e2 = v1.addEdge("friends", v2, "weight", 1.0f);

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

            final AtomicBoolean vertexCalled = new AtomicBoolean(false);
            final AtomicBoolean edge1Called = new AtomicBoolean(false);
            final AtomicBoolean edge2Called = new AtomicBoolean(false);
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        final Vertex v2 = g.addVertex(T.label, "person");
        final Edge e1 = v2.addEdge("friends", v1, "weight", 0.5f);
        v1.addEdge("friends", v2, "weight", 1.0f);

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

            final AtomicBoolean vertexCalled = new AtomicBoolean(false);
            final AtomicBoolean edgeCalled = new AtomicBoolean(false);

            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
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        final Vertex v2 = g.addVertex(T.label, "person");
        v2.addEdge("friends", v1, "weight", 0.5f);
        final Edge e2 = v1.addEdge("friends", v2, "weight", 1.0f);

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

            final AtomicBoolean vertexCalled = new AtomicBoolean(false);
            final AtomicBoolean edgeCalled = new AtomicBoolean(false);

            final GraphSONReader reader = GraphSONReader.build().customModule(graphProvider.createConfiguredGraphSONModule()).create();
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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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