Java Code Examples for org.apache.tinkerpop.gremlin.structure.io.gryo.GryoReader#readObject()

The following examples show how to use org.apache.tinkerpop.gremlin.structure.io.gryo.GryoReader#readObject() . 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: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeVertexAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Vertex v = graph.vertices(convertToVertexId("marko")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, v);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Vertex detached = gryoReader.readObject(inputStream, DetachedVertex.class);
    assertNotNull(detached);
    assertEquals(v.label(), detached.label());
    assertEquals(v.id(), detached.id());
    assertEquals(v.value("name").toString(), detached.value("name"));
    assertEquals((Integer) v.value("age"), detached.value("age"));
}
Example 2
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeEdgeAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Edge e = g.E(convertToEdgeId("marko", "knows", "vadas")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, e);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Edge detached = gryoReader.readObject(inputStream, DetachedEdge.class);
    assertNotNull(detached);
    assertEquals(e.label(), detached.label());
    assertEquals(e.id(), detached.id());
    assertEquals((Double) e.value("weight"), detached.value("weight"));
}
Example 3
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializePropertyAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Property property = g.E(convertToEdgeId("marko", "knows", "vadas")).next().property("weight");
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, property);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Property detached = gryoReader.readObject(inputStream, DetachedProperty.class);
    assertNotNull(detached);
    assertEquals(property.key(), detached.key());
    assertEquals(property.value(), detached.value());
}
Example 4
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeVertexPropertyAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final VertexProperty vertexProperty = graph.vertices(convertToVertexId("marko")).next().property("name");
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, vertexProperty);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final VertexProperty detached = gryoReader.readObject(inputStream, DetachedVertexProperty.class);
    assertNotNull(detached);
    assertEquals(vertexProperty.label(), detached.label());
    assertEquals(vertexProperty.id(), detached.id());
    assertEquals(vertexProperty.value(), detached.value());
}
Example 5
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.CREW)
public void shouldSerializeVertexPropertyWithPropertiesAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final VertexProperty<?> vertexProperty = IteratorUtils.filter(graph.vertices(convertToVertexId("marko")).next().properties("location"), p -> p.value().equals("brussels")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, vertexProperty);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final VertexProperty<?> detached = gryoReader.readObject(inputStream, DetachedVertexProperty.class);

    assertNotNull(detached);
    assertEquals(vertexProperty.label(), detached.label());
    assertEquals(vertexProperty.id(), detached.id());
    assertEquals(vertexProperty.value(), detached.value());
    assertEquals(vertexProperty.values("startTime").next(), detached.values("startTime").next());
    assertEquals(vertexProperty.properties("startTime").next().key(), detached.properties("startTime").next().key());
    assertEquals(vertexProperty.values("endTime").next(), detached.values("endTime").next());
    assertEquals(vertexProperty.properties("endTime").next().key(), detached.properties("endTime").next().key());
}
Example 6
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeTraversalMetrics() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final TraversalMetrics before = g.V().both().profile().next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, before);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final TraversalMetrics after = gryoReader.readObject(inputStream, TraversalMetrics.class);
    assertNotNull(after);
    assertEquals(before.getMetrics().size(), after.getMetrics().size());
    assertEquals(before.getDuration(TimeUnit.MILLISECONDS), after.getDuration(TimeUnit.MILLISECONDS));
    assertEquals(before.getMetrics(0).getCounts(), after.getMetrics().stream().findFirst().get().getCounts());
}
Example 7
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeTree() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Tree before = g.V(convertToVertexId("marko")).out().properties("name").tree().next();
    
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, before);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Tree after = gryoReader.readObject(inputStream, Tree.class);
    assertNotNull(after);
    //The following assertions should be sufficent.
    assertThat("Type does not match", after, instanceOf(Tree.class));
    assertEquals("The objects differ", after, before);
}
Example 8
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeVertexAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Vertex v = graph.vertices(convertToVertexId("marko")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, v);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Vertex detached = gryoReader.readObject(inputStream, DetachedVertex.class);
    assertNotNull(detached);
    assertEquals(v.label(), detached.label());
    assertEquals(v.id(), detached.id());
    assertEquals(v.value("name").toString(), detached.value("name"));
    assertEquals((Integer) v.value("age"), detached.value("age"));
}
Example 9
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeEdgeAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Edge e = g.E(convertToEdgeId("marko", "knows", "vadas")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, e);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Edge detached = gryoReader.readObject(inputStream, DetachedEdge.class);
    assertNotNull(detached);
    assertEquals(e.label(), detached.label());
    assertEquals(e.id(), detached.id());
    assertEquals((Double) e.value("weight"), detached.value("weight"));
}
Example 10
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializePropertyAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Property property = g.E(convertToEdgeId("marko", "knows", "vadas")).next().property("weight");
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, property);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Property detached = gryoReader.readObject(inputStream, DetachedProperty.class);
    assertNotNull(detached);
    assertEquals(property.key(), detached.key());
    assertEquals(property.value(), detached.value());
}
Example 11
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeVertexPropertyAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final VertexProperty vertexProperty = graph.vertices(convertToVertexId("marko")).next().property("name");
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, vertexProperty);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final VertexProperty detached = gryoReader.readObject(inputStream, DetachedVertexProperty.class);
    assertNotNull(detached);
    assertEquals(vertexProperty.label(), detached.label());
    assertEquals(vertexProperty.id(), detached.id());
    assertEquals(vertexProperty.value(), detached.value());
}
Example 12
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.CREW)
public void shouldSerializeVertexPropertyWithPropertiesAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final VertexProperty<?> vertexProperty = IteratorUtils.filter(graph.vertices(convertToVertexId("marko")).next().properties("location"), p -> p.value().equals("brussels")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, vertexProperty);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final VertexProperty<?> detached = gryoReader.readObject(inputStream, DetachedVertexProperty.class);

    assertNotNull(detached);
    assertEquals(vertexProperty.label(), detached.label());
    assertEquals(vertexProperty.id(), detached.id());
    assertEquals(vertexProperty.value(), detached.value());
    assertEquals(vertexProperty.values("startTime").next(), detached.values("startTime").next());
    assertEquals(vertexProperty.properties("startTime").next().key(), detached.properties("startTime").next().key());
    assertEquals(vertexProperty.values("endTime").next(), detached.values("endTime").next());
    assertEquals(vertexProperty.properties("endTime").next().key(), detached.properties("endTime").next().key());
}
Example 13
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeTraversalMetrics() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final TraversalMetrics before = (TraversalMetrics) g.V().both().profile().next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, before);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final TraversalMetrics after = gryoReader.readObject(inputStream, TraversalMetrics.class);
    assertNotNull(after);
    assertEquals(before.getMetrics().size(), after.getMetrics().size());
    assertEquals(before.getDuration(TimeUnit.MILLISECONDS), after.getDuration(TimeUnit.MILLISECONDS));
    assertEquals(before.getMetrics(0).getCounts(), after.getMetrics().stream().findFirst().get().getCounts());
}
Example 14
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 6 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializeTree() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Tree before = g.V(convertToVertexId("marko")).out().properties("name").tree().next();

    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, before);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Tree after = gryoReader.readObject(inputStream, Tree.class);
    assertNotNull(after);
    //The following assertions should be sufficent.
    assertThat("Type does not match", after, instanceOf(Tree.class));
    assertEquals("The objects differ", after, before);
}
Example 15
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 4 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializePathAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V1_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Path p = g.V(convertToVertexId("marko")).as("a").outE().as("b").inV().as("c").path()
            .filter(t -> ((Vertex) t.get().objects().get(2)).value("name").equals("lop")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, p);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Path detached = gryoReader.readObject(inputStream, DetachedPath.class);
    assertNotNull(detached);
    assertEquals(p.labels().size(), detached.labels().size());
    assertEquals(p.labels().get(0).size(), detached.labels().get(0).size());
    assertEquals(p.labels().get(1).size(), detached.labels().get(1).size());
    assertEquals(p.labels().get(2).size(), detached.labels().get(2).size());
    assertTrue(p.labels().stream().flatMap(Collection::stream).allMatch(detached::hasLabel));

    final Vertex vOut = p.get("a");
    final Vertex detachedVOut = detached.get("a");
    assertEquals(vOut.label(), detachedVOut.label());
    assertEquals(vOut.id(), detachedVOut.id());

    // this is a SimpleTraverser so no properties are present in detachment
    assertFalse(detachedVOut.properties().hasNext());

    final Edge e = p.get("b");
    final Edge detachedE = detached.get("b");
    assertEquals(e.label(), detachedE.label());
    assertEquals(e.id(), detachedE.id());

    // this is a SimpleTraverser so no properties are present in detachment
    assertFalse(detachedE.properties().hasNext());

    final Vertex vIn = p.get("c");
    final Vertex detachedVIn = detached.get("c");
    assertEquals(vIn.label(), detachedVIn.label());
    assertEquals(vIn.id(), detachedVIn.id());

    // this is a SimpleTraverser so no properties are present in detachment
    assertFalse(detachedVIn.properties().hasNext());
}
Example 16
Source File: SerializationTest.java    From tinkerpop with Apache License 2.0 4 votes vote down vote up 
@Test
@LoadGraphWith(LoadGraphWith.GraphData.MODERN)
public void shouldSerializePathAsDetached() throws Exception {
    final GryoIo gryoIo = graph.io(GryoIo.build(GryoVersion.V3_0));
    final GryoWriter gryoWriter = gryoIo.writer().create();
    final GryoReader gryoReader = gryoIo.reader().create();

    final Path p = g.V(convertToVertexId("marko")).as("a").outE().as("b").inV().as("c").path()
            .filter(t -> ((Vertex) t.get().objects().get(2)).value("name").equals("lop")).next();
    final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    gryoWriter.writeObject(outputStream, p);

    final ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray());
    final Path detached = gryoReader.readObject(inputStream, DetachedPath.class);
    assertNotNull(detached);
    assertEquals(p.labels().size(), detached.labels().size());
    assertEquals(p.labels().get(0).size(), detached.labels().get(0).size());
    assertEquals(p.labels().get(1).size(), detached.labels().get(1).size());
    assertEquals(p.labels().get(2).size(), detached.labels().get(2).size());
    assertTrue(p.labels().stream().flatMap(Collection::stream).allMatch(detached::hasLabel));

    final Vertex vOut = p.get("a");
    final Vertex detachedVOut = detached.get("a");
    assertEquals(vOut.label(), detachedVOut.label());
    assertEquals(vOut.id(), detachedVOut.id());

    // this is a SimpleTraverser so no properties are present in detachment
    assertFalse(detachedVOut.properties().hasNext());

    final Edge e = p.get("b");
    final Edge detachedE = detached.get("b");
    assertEquals(e.label(), detachedE.label());
    assertEquals(e.id(), detachedE.id());

    // this is a SimpleTraverser so no properties are present in detachment
    assertFalse(detachedE.properties().hasNext());

    final Vertex vIn = p.get("c");
    final Vertex detachedVIn = detached.get("c");
    assertEquals(vIn.label(), detachedVIn.label());
    assertEquals(vIn.id(), detachedVIn.id());

    // this is a SimpleTraverser so no properties are present in detachment
    assertFalse(detachedVIn.properties().hasNext());
}