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

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

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            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();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readVertex(bais, Direction.OUT, detachedVertex -> {
                    assertEquals(v1.id().toString(), detachedVertex.id().toString());  // lossy
                    assertEquals(v1.label(), detachedVertex.label());
                    assertEquals(0, StreamFactory.stream(detachedVertex.iterators().hiddenPropertyIterator()).count());
                    assertEquals(1, StreamFactory.stream(detachedVertex.iterators().propertyIterator()).count());
                    assertEquals("marko", detachedVertex.value("name"));
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            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();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readGraph(bais, g1);
            }

            assertClassicGraph(g1, true, false);

            // need to manually close the "g1" instance
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            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();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readGraph(bais, g1);
            }

            assertModernGraph(g1, true, false);

            // need to manually close the "g1" instance
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            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();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readGraph(bais, g1);
            }

            assertCrewGraph(g1, true);

            // need to manually close the "g1" instance
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        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 -> {
                    assertEquals(e.id().toString(), detachedEdge.id().toString()); // lossy
                    assertEquals(v1.id().toString(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().id().toString()); // lossy
                    assertEquals(v2.id().toString(), detachedEdge.iterators().vertexIterator(Direction.IN).next().id().toString());  // lossy
                    assertEquals(v1.label(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().label());
                    assertEquals(v2.label(), detachedEdge.iterators().vertexIterator(Direction.IN).next().label());
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        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 -> {
                    assertEquals(e.id().toString(), detachedEdge.id().toString()); // lossy
                    assertEquals(v1.id().toString(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().id().toString()); // lossy
                    assertEquals(v2.id().toString(), detachedEdge.iterators().vertexIterator(Direction.IN).next().id().toString());  // lossy
                    assertEquals(v1.label(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().label());
                    assertEquals(v2.label(), detachedEdge.iterators().vertexIterator(Direction.IN).next().label());
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        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 -> {
                    assertEquals(e.id().toString(), detachedEdge.id().toString()); // lossy
                    assertEquals(v1.id().toString(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().id().toString()); // lossy
                    assertEquals(v2.id().toString(), detachedEdge.iterators().vertexIterator(Direction.IN).next().id().toString());  // lossy
                    assertEquals(v1.label(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().label());
                    assertEquals(v2.label(), detachedEdge.iterators().vertexIterator(Direction.IN).next().label());
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                    .embedTypes(true)
                    .create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .embedTypes(true)
                    .create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readEdge(bais, detachedEdge -> {
                    assertEquals(e.id(), detachedEdge.id());
                    assertEquals(v1.id(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().id());
                    assertEquals(v2.id(), detachedEdge.iterators().vertexIterator(Direction.IN).next().id());
                    assertEquals(v1.label(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().label());
                    assertEquals(v2.label(), detachedEdge.iterators().vertexIterator(Direction.IN).next().label());
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                    .embedTypes(true)
                    .create();
            writer.writeEdge(os, e);

            final AtomicBoolean called = new AtomicBoolean(false);
            final GraphSONReader reader = GraphSONReader.build()
                    .customModule(graphProvider.createConfiguredGraphSONModule())
                    .embedTypes(true)
                    .create();
            try (final ByteArrayInputStream bais = new ByteArrayInputStream(os.toByteArray())) {
                reader.readEdge(bais, detachedEdge -> {
                    assertEquals(e.id(), graphProvider.reconstituteGraphSONIdentifier(Edge.class, detachedEdge.id()));
                    assertEquals(v1.id(), graphProvider.reconstituteGraphSONIdentifier(Vertex.class, detachedEdge.iterators().vertexIterator(Direction.OUT).next().id()));
                    assertEquals(v2.id(), graphProvider.reconstituteGraphSONIdentifier(Vertex.class, detachedEdge.iterators().vertexIterator(Direction.IN).next().id()));
                    assertEquals(v1.label(), detachedEdge.iterators().vertexIterator(Direction.OUT).next().label());
                    assertEquals(v2.label(), detachedEdge.iterators().vertexIterator(Direction.IN).next().label());
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        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 -> {
                    assertEquals(v1.id().toString(), detachedVertex.id().toString()); // lossy
                    assertEquals(v1.label(), detachedVertex.label());
                    assertEquals(1, StreamFactory.stream(detachedVertex.iterators().hiddenPropertyIterator()).count());
                    assertEquals(1, StreamFactory.stream(detachedVertex.iterators().propertyIterator()).count());
                    assertEquals("marko", detachedVertex.iterators().propertyIterator("name").next().value());
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Related Classes of com.tinkerpop.gremlin.structure.io.graphson.GraphSONReader

  • com.fasterxml.jackson.core.JsonFactory
  • com.fasterxml.jackson.databind.ObjectMapper
  • com.tinkerpop.gremlin.structure.Edge
  • com.tinkerpop.gremlin.structure.IoTest
  • com.tinkerpop.gremlin.structure.util.batch.BatchGraph
  • com.tinkerpop.gremlin.structure.util.detached.DetachedEdge
  • com.tinkerpop.gremlin.structure.util.detached.DetachedVertex
  • com.tinkerpop.gremlin.structure.Vertex
  • java.io.InputStreamReader
  • java.io.BufferedReader
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