org.securegraph.Vertex类的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.securegraph.Vertex类的一些代码示例，展示了Vertex类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Vertex类的具体详情如下：
包路径：org.securegraph.Vertex
类名称：Vertex

Vertex介绍

暂无

代码示例

代码示例来源：origin: org.securegraph/securegraph-test

@Override
  protected String convert(Vertex o) {
    return o.getId();
  }
});

代码示例来源：origin: org.securegraph/securegraph-core

private void findPathsRecursive(List<Path> foundPaths, final Vertex sourceVertex, Vertex destVertex, int hops, int totalHops, Set<String> seenVertices, Path currentPath, ProgressCallback progressCallback, final Authorizations authorizations) {
    // if this is our first source vertex report progress back to the progress callback
    boolean firstLevelRecursion = hops == totalHops;

    seenVertices.add(sourceVertex.getId());
    if (sourceVertex.getId().equals(destVertex.getId())) {
      foundPaths.add(currentPath);
    } else if (hops > 0) {
      Iterable<Vertex> vertices = sourceVertex.getVertices(Direction.BOTH, authorizations);
      int vertexCount = 0;
      if (firstLevelRecursion) {
        vertices = toList(vertices);
        vertexCount = ((List<Vertex>) vertices).size();
      }
      int i = 0;
      for (Vertex child : vertices) {
        if (firstLevelRecursion) {
          // this will never get to 100% since i starts at 0. which is good. 100% signifies done and we still have work to do.
          double progressPercent = (double) i / (double) vertexCount;
          progressCallback.progress(progressPercent, ProgressCallback.Step.SEARCHING_EDGES, i + 1, vertexCount);
        }
        if (!seenVertices.contains(child.getId())) {
          findPathsRecursive(foundPaths, child, destVertex, hops - 1, totalHops, seenVertices, new Path(currentPath, child.getId()), progressCallback, authorizations);
        }
        i++;
      }
    }
    seenVertices.remove(sourceVertex.getId());
  }
}

代码示例来源：origin: org.securegraph.examples/examples-base

public static JSONObject vertexToJson(Vertex vertex) {
  JSONObject json = new JSONObject();
  json.put("id", vertex.getId());
  JSONArray propertiesJson = new JSONArray();
  for (Property property : vertex.getProperties()) {
    propertiesJson.put(propertyYoJson(property));
  }
  json.put("properties", propertiesJson);
  return json;
}

代码示例来源：origin: lumifyio/securegraph

public VertexBuilder prepareVertex(Vertex vertex) {
  return prepareVertex(vertex.getId(), vertex.getVisibility());
}

代码示例来源：origin: lumifyio/securegraph

@Override
public void removeVertex(Vertex vertex, Authorizations authorizations) {
  if (!((InMemoryVertex) vertex).canRead(authorizations)) {
    return;
  }
  List<Edge> edgesToRemove = toList(vertex.getEdges(Direction.BOTH, authorizations));
  for (Edge edgeToRemove : edgesToRemove) {
    removeEdge(edgeToRemove, authorizations);
  }
  this.vertices.remove(vertex.getId());
  getSearchIndex().removeElement(this, vertex, authorizations);
  if (hasEventListeners()) {
    fireGraphEvent(new RemoveVertexEvent(this, vertex));
  }
}

代码示例来源：origin: org.securegraph/securegraph-blueprints

@Override
public Iterable<Edge> getEdges(Direction direction, final String... labels) {
  final org.securegraph.Direction sgDirection = SecureGraphBlueprintsConvert.toSecureGraph(direction);
  final Authorizations authorizations = getGraph().getAuthorizationsProvider().getAuthorizations();
  return new ConvertingIterable<org.securegraph.Edge, Edge>(getSecureGraphElement().getEdges(sgDirection, labels, authorizations)) {
    @Override
    protected Edge convert(org.securegraph.Edge edge) {
      return SecureGraphBlueprintsEdge.create(getGraph(), edge, authorizations);
    }
  };
}

代码示例来源：origin: org.securegraph/securegraph-test

@Test
public void testGetEdge() {
  Vertex v1 = graph.addVertex("v1", VISIBILITY_A, AUTHORIZATIONS_A);
  Vertex v2 = graph.addVertex("v2", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge("e1to2label1", v1, v2, "label1", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge("e1to2label2", v1, v2, "label2", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge("e2to1", v2.getId(), v1.getId(), "label1", VISIBILITY_A, AUTHORIZATIONS_A);
  v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
  assertEquals(3, count(v1.getEdges(Direction.BOTH, AUTHORIZATIONS_A)));
  assertEquals(2, count(v1.getEdges(Direction.OUT, AUTHORIZATIONS_A)));
  assertEquals(1, count(v1.getEdges(Direction.IN, AUTHORIZATIONS_A)));
  assertEquals(3, count(v1.getEdges(v2, Direction.BOTH, AUTHORIZATIONS_A)));
  assertEquals(2, count(v1.getEdges(v2, Direction.OUT, AUTHORIZATIONS_A)));
  assertEquals(1, count(v1.getEdges(v2, Direction.IN, AUTHORIZATIONS_A)));
  assertEquals(2, count(v1.getEdges(v2, Direction.BOTH, "label1", AUTHORIZATIONS_A)));
  assertEquals(1, count(v1.getEdges(v2, Direction.OUT, "label1", AUTHORIZATIONS_A)));
  assertEquals(1, count(v1.getEdges(v2, Direction.IN, "label1", AUTHORIZATIONS_A)));
  assertEquals(3, count(v1.getEdges(v2, Direction.BOTH, new String[]{"label1", "label2"}, AUTHORIZATIONS_A)));
  assertEquals(2, count(v1.getEdges(v2, Direction.OUT, new String[]{"label1", "label2"}, AUTHORIZATIONS_A)));
  assertEquals(1, count(v1.getEdges(v2, Direction.IN, new String[]{"label1", "label2"}, AUTHORIZATIONS_A)));
  assertArrayEquals(new String[]{"label1", "label2"}, toArray(v1.getEdgeLabels(Direction.OUT, AUTHORIZATIONS_A), String.class));
  assertArrayEquals(new String[]{"label1"}, toArray(v1.getEdgeLabels(Direction.IN, AUTHORIZATIONS_A), String.class));
  assertArrayEquals(new String[]{"label1", "label2"}, toArray(v1.getEdgeLabels(Direction.BOTH, AUTHORIZATIONS_A), String.class));
}

代码示例来源：origin: org.securegraph/securegraph-test

@Test
public void testGetVerticesFromVertex() {
  Vertex v1 = graph.addVertex("v1", VISIBILITY_A, AUTHORIZATIONS_A);
  Vertex v2 = graph.addVertex("v2", VISIBILITY_A, AUTHORIZATIONS_A);
  Vertex v3 = graph.addVertex("v3", VISIBILITY_A, AUTHORIZATIONS_A);
  Vertex v4 = graph.addVertex("v4", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge(v1, v2, "knows", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge(v1, v3, "knows", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge(v1, v4, "knows", VISIBILITY_A, AUTHORIZATIONS_A);
  graph.addEdge(v2, v3, "knows", VISIBILITY_A, AUTHORIZATIONS_A);
  v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
  assertEquals(3, count(v1.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  assertEquals(3, count(v1.getVertices(Direction.OUT, AUTHORIZATIONS_A)));
  assertEquals(0, count(v1.getVertices(Direction.IN, AUTHORIZATIONS_A)));
  v2 = graph.getVertex("v2", AUTHORIZATIONS_A);
  assertEquals(2, count(v2.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  assertEquals(1, count(v2.getVertices(Direction.OUT, AUTHORIZATIONS_A)));
  assertEquals(1, count(v2.getVertices(Direction.IN, AUTHORIZATIONS_A)));
  v3 = graph.getVertex("v3", AUTHORIZATIONS_A);
  assertEquals(2, count(v3.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  assertEquals(0, count(v3.getVertices(Direction.OUT, AUTHORIZATIONS_A)));
  assertEquals(2, count(v3.getVertices(Direction.IN, AUTHORIZATIONS_A)));
  v4 = graph.getVertex("v4", AUTHORIZATIONS_A);
  assertEquals(1, count(v4.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  assertEquals(0, count(v4.getVertices(Direction.OUT, AUTHORIZATIONS_A)));
  assertEquals(1, count(v4.getVertices(Direction.IN, AUTHORIZATIONS_A)));
}

代码示例来源：origin: org.securegraph/securegraph-core

private void findPathsSetIntersection(List<Path> foundPaths, Vertex sourceVertex, Vertex destVertex, ProgressCallback progressCallback, Authorizations authorizations) {
  String sourceVertexId = sourceVertex.getId();
  String destVertexId = destVertex.getId();
  progressCallback.progress(0.1, ProgressCallback.Step.SEARCHING_SOURCE_VERTEX_EDGES);
  Set<String> sourceVertexConnectedVertexIds = toSet(sourceVertex.getVertexIds(Direction.BOTH, authorizations));
  progressCallback.progress(0.3, ProgressCallback.Step.SEARCHING_DESTINATION_VERTEX_EDGES);
  Set<String> destVertexConnectedVertexIds = toSet(destVertex.getVertexIds(Direction.BOTH, authorizations));
  progressCallback.progress(0.6, ProgressCallback.Step.MERGING_EDGES);
  sourceVertexConnectedVertexIds.retainAll(destVertexConnectedVertexIds);
  progressCallback.progress(0.9, ProgressCallback.Step.ADDING_PATHS);
  for (String connectedVertexId : sourceVertexConnectedVertexIds) {
    foundPaths.add(new Path(sourceVertexId, connectedVertexId, destVertexId));
  }
}

代码示例来源：origin: org.securegraph/securegraph-test

assertEquals(1, count(e.getProperties()));
assertEquals("valueA", e.getPropertyValues("propA").iterator().next());
assertEquals(1, count(v1.getEdges(Direction.OUT, AUTHORIZATIONS_A)));
assertEquals("label1", single(v1.getEdgeLabels(Direction.OUT, AUTHORIZATIONS_A)));
assertEquals(1, count(v2.getEdges(Direction.IN, AUTHORIZATIONS_A)));
assertEquals("label1", single(v2.getEdgeLabels(Direction.IN, AUTHORIZATIONS_A)));
assertEquals("valueA", e.getPropertyValues("propA").iterator().next());
v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(1, count(v1.getEdges(Direction.OUT, AUTHORIZATIONS_A)));
assertEquals("label2", single(v1.getEdgeLabels(Direction.OUT, AUTHORIZATIONS_A)));
v2 = graph.getVertex("v2", AUTHORIZATIONS_A);
assertEquals(1, count(v2.getEdges(Direction.IN, AUTHORIZATIONS_A)));
assertEquals("label2", single(v2.getEdgeLabels(Direction.IN, AUTHORIZATIONS_A)));
assertEquals("valueA", e.getPropertyValues("propA").iterator().next());
v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(1, count(v1.getEdges(Direction.OUT, AUTHORIZATIONS_A)));
assertEquals("label3", single(v1.getEdgeLabels(Direction.OUT, AUTHORIZATIONS_A)));
v2 = graph.getVertex("v2", AUTHORIZATIONS_A);
assertEquals(1, count(v2.getEdges(Direction.IN, AUTHORIZATIONS_A)));
assertEquals("label3", single(v2.getEdgeLabels(Direction.IN, AUTHORIZATIONS_A)));

代码示例来源：origin: org.securegraph/securegraph-test

@Test
public void testElementMutationDoesntChangeObjectUntilSave() {
  Vertex v = graph.addVertex("v1", VISIBILITY_EMPTY, AUTHORIZATIONS_EMPTY);
  v.setProperty("prop1", "value1", VISIBILITY_A, AUTHORIZATIONS_A_AND_B);
  ElementMutation<Vertex> m = v.prepareMutation()
      .setProperty("prop1", "value2", VISIBILITY_A)
      .setProperty("prop2", "value2", VISIBILITY_A);
  assertEquals(1, count(v.getProperties()));
  assertEquals("value1", v.getPropertyValue("prop1"));
  m.save(AUTHORIZATIONS_A_AND_B);
  assertEquals(2, count(v.getProperties()));
  assertEquals("value2", v.getPropertyValue("prop1"));
  assertEquals("value2", v.getPropertyValue("prop2"));
}

代码示例来源：origin: lumifyio/securegraph

v.prepareMutation()
    .addPropertyValue("propid1a", "prop1", "value1a", VISIBILITY_A)
    .addPropertyValue("propid2a", "prop2", "value2a", VISIBILITY_A)
    .save(AUTHORIZATIONS_A_AND_B);
v = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals("value1a", v.getPropertyValues("prop1").iterator().next());
assertEquals("value2a", v.getPropertyValues("prop2").iterator().next());
assertEquals("value3a", v.getPropertyValues("prop3").iterator().next());
assertEquals(3, count(v.getProperties()));
v.prepareMutation()
    .addPropertyValue("propid1a", "prop1", "value1b", VISIBILITY_A)
    .addPropertyValue("propid2a", "prop2", "value2b", VISIBILITY_A)
    .save(AUTHORIZATIONS_A_AND_B);
v = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(1, count(v.getPropertyValues("prop1")));
assertEquals("value1b", v.getPropertyValues("prop1").iterator().next());
assertEquals(1, count(v.getPropertyValues("prop2")));
assertEquals("value2b", v.getPropertyValues("prop2").iterator().next());
assertEquals(1, count(v.getPropertyValues("prop3")));
assertEquals("value3a", v.getPropertyValues("prop3").iterator().next());
assertEquals(3, count(v.getProperties()));
v.addPropertyValue("propid1b", "prop1", "value1a-new", VISIBILITY_A, AUTHORIZATIONS_A_AND_B);
v = graph.getVertex("v1", AUTHORIZATIONS_A);
assertContains("value1b", v.getPropertyValues("prop1"));
assertContains("value1a-new", v.getPropertyValues("prop1"));
assertEquals(4, count(v.getProperties()));

代码示例来源：origin: org.securegraph/securegraph-test

.setProperty("prop2", "value2", VISIBILITY_B)
    .save(AUTHORIZATIONS_A_AND_B);
assertEquals(1, count(vertexAdded.getProperties("prop1")));
assertEquals("value1", vertexAdded.getPropertyValues("prop1").iterator().next());
assertEquals(1, count(vertexAdded.getProperties("prop2")));
assertEquals("value2", vertexAdded.getPropertyValues("prop2").iterator().next());
graph.flush();
assertEquals(1, count(v.getProperties("prop1")));
assertEquals("value1", v.getPropertyValues("prop1").iterator().next());
assertEquals(1, count(v.getProperties("prop2")));
assertEquals("value2", v.getPropertyValues("prop2").iterator().next());
    new AddPropertyEvent(graph, vertexAdded, vertexAdded.getProperty("prop1")),
    new AddPropertyEvent(graph, vertexAdded, vertexAdded.getProperty("prop2"))
);
graphEvents.clear();
vertexAdded = v.prepareMutation()
    .addPropertyValue("key1", "prop1Mutation", "value1Mutation", VISIBILITY_A)
    .save(AUTHORIZATIONS_A_AND_B);
graph.flush();
v = graph.getVertex("v1", AUTHORIZATIONS_A_AND_B);
assertEquals(1, count(v.getProperties("prop1Mutation")));
assertEquals("value1Mutation", v.getPropertyValues("prop1Mutation").iterator().next());
assertEvents(
    new AddPropertyEvent(graph, vertexAdded, vertexAdded.getProperty("prop1Mutation"))
);

代码示例来源：origin: lumifyio/securegraph

Vertex v = graph.addVertex("v1", VISIBILITY_A, AUTHORIZATIONS_A);
v.prepareMutation()
    .addPropertyValue("propid1a", "prop1", "value1a", VISIBILITY_A)
    .addPropertyValue("propid1b", "prop1", "value1b", VISIBILITY_A)
Property prop1_propid1a = v.getProperty("propid1a", "prop1");
Property prop1_propid1b = v.getProperty("propid1b", "prop1");
v.removeProperty("prop1", AUTHORIZATIONS_A_AND_B);
graph.flush();
assertEquals(1, count(v.getProperties()));
v = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(1, count(v.getProperties()));
this.graphEvents.clear();
Property prop2_propid2a = v.getProperty("propid2a", "prop2");
v.removeProperty("propid2a", "prop2", AUTHORIZATIONS_A_AND_B);
graph.flush();
assertEquals(0, count(v.getProperties()));
v = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(0, count(v.getProperties()));

代码示例来源：origin: org.securegraph/securegraph-test

assertEquals(1, count(v.getProperties("prop1")));
Property prop1 = v.getProperties("prop1").iterator().next();
if (prop1 instanceof HasTimestamp) {
  assertTrue("timestamp should be more than 0", ((HasTimestamp) prop1).getTimestamp() > 0);
v.prepareMutation()
    .setProperty("prop1", "value1", prop1Metadata, VISIBILITY_A)
    .save(AUTHORIZATIONS_A_AND_B);
assertEquals(1, count(v.getProperties("prop1")));
prop1 = v.getProperties("prop1").iterator().next();
prop1Metadata = prop1.getMetadata();
assertEquals(2, prop1Metadata.entrySet().size());
v.setProperty("prop1", "value1", prop1Metadata, VISIBILITY_A, AUTHORIZATIONS_A_AND_B);
assertEquals(1, count(v.getProperties("prop1")));
prop1 = v.getProperties("prop1").iterator().next();
prop1Metadata = prop1.getMetadata();
assertEquals(2, prop1Metadata.entrySet().size());

代码示例来源：origin: org.securegraph/securegraph-test

Property prop1_propid1a = v1.getProperty("propid1a", "prop1");
Property prop1_propid1b = v1.getProperty("propid1b", "prop1");
v1.prepareMutation()
    .removeProperties("prop1")
    .save(AUTHORIZATIONS_A_AND_B);
graph.flush();
assertEquals(1, count(v1.getProperties()));
v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(1, count(v1.getProperties()));
Property prop2_propid2a = v1.getProperty("propid2a", "prop2");
v1.prepareMutation()
    .removeProperties("propid2a", "prop2")
    .save(AUTHORIZATIONS_A_AND_B);
graph.flush();
assertEquals(0, count(v1.getProperties()));
v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
assertEquals(0, count(v1.getProperties()));
assertEvents(
    new RemovePropertyEvent(graph, v1, prop2_propid2a)

代码示例来源：origin: org.securegraph/securegraph-test

.save(AUTHORIZATIONS_A);
assertEquals(3, count(graph.getVertex("v1", AUTHORIZATIONS_A_AND_B).getProperties("prop1")));
v1.markPropertyHidden("key1", "prop1", VISIBILITY_A, VISIBILITY_A_AND_B, AUTHORIZATIONS_A_AND_B);
List<Property> properties = toList(graph.getVertex("v1", AUTHORIZATIONS_A_AND_B).getProperties("prop1"));
assertEquals(2, count(properties));
boolean foundProp1Key2 = false;
assertTrue("Prop1Key1VisB not found", foundProp1Key1VisB);
List<Property> hiddenProperties = toList(graph.getVertex("v1", FetchHint.ALL_INCLUDING_HIDDEN, AUTHORIZATIONS_A_AND_B).getProperties());
assertEquals(3, hiddenProperties.size());
boolean foundProp1Key1VisA = false;
assertTrue("Prop1Key1VisA not found", foundProp1Key1VisA);
v1.markPropertyVisible("key1", "prop1", VISIBILITY_A, VISIBILITY_A_AND_B, AUTHORIZATIONS_A_AND_B);
assertEquals(3, count(graph.getVertex("v1", AUTHORIZATIONS_A_AND_B).getProperties("prop1")));

代码示例来源：origin: org.securegraph/securegraph-test

@Test
public void testConcurrentModificationOfProperties() {
  Vertex v = graph.prepareVertex("v1", VISIBILITY_EMPTY)
      .setProperty("prop1", "value1", VISIBILITY_A)
      .setProperty("prop2", "value2", VISIBILITY_A)
      .save(AUTHORIZATIONS_A_AND_B);
  int i = 0;
  for (Property p : v.getProperties()) {
    assertNotNull(p.toString());
    if (i == 0) {
      v.setProperty("prop3", "value3", VISIBILITY_A, AUTHORIZATIONS_A_AND_B);
    }
    i++;
  }
}

代码示例来源：origin: org.securegraph/securegraph-test

@Test
public void testAddVertexWithPropertiesWithTwoDifferentVisibilities() {
  Vertex v = graph.prepareVertex("v1", VISIBILITY_EMPTY)
      .setProperty("prop1", "value1a", VISIBILITY_A)
      .setProperty("prop1", "value1b", VISIBILITY_B)
      .save(AUTHORIZATIONS_A_AND_B);
  assertEquals(2, count(v.getProperties("prop1")));
  v = graph.getVertex("v1", AUTHORIZATIONS_A_AND_B);
  assertEquals(2, count(v.getProperties("prop1")));
  v = graph.getVertex("v1", AUTHORIZATIONS_A);
  assertEquals(1, count(v.getProperties("prop1")));
  assertEquals("value1a", v.getPropertyValue("prop1"));
  v = graph.getVertex("v1", AUTHORIZATIONS_B);
  assertEquals(1, count(v.getProperties("prop1")));
  assertEquals("value1b", v.getPropertyValue("prop1"));
}

代码示例来源：origin: org.securegraph/securegraph-test

@Test
public void testChangeVisibilityOnStreamingProperty() throws IOException {
  String expectedLargeValue = IOUtils.toString(new LargeStringInputStream(LARGE_PROPERTY_VALUE_SIZE));
  PropertyValue propSmall = new StreamingPropertyValue(new ByteArrayInputStream("value1".getBytes()), String.class);
  PropertyValue propLarge = new StreamingPropertyValue(new ByteArrayInputStream(expectedLargeValue.getBytes()), String.class);
  String largePropertyName = "propLarge/\\*!@#$%^&*()[]{}|";
  graph.prepareVertex("v1", VISIBILITY_A)
      .setProperty("propSmall", propSmall, VISIBILITY_A)
      .setProperty(largePropertyName, propLarge, VISIBILITY_A)
      .save(AUTHORIZATIONS_A_AND_B);
  assertEquals(2, count(graph.getVertex("v1", AUTHORIZATIONS_A).getProperties()));
  graph.getVertex("v1", AUTHORIZATIONS_A)
      .prepareMutation()
      .alterPropertyVisibility("propSmall", VISIBILITY_B)
      .save(AUTHORIZATIONS_A_AND_B);
  assertEquals(1, count(graph.getVertex("v1", AUTHORIZATIONS_A).getProperties()));
  graph.getVertex("v1", AUTHORIZATIONS_A)
      .prepareMutation()
      .alterPropertyVisibility(largePropertyName, VISIBILITY_B)
      .save(AUTHORIZATIONS_A_AND_B);
  assertEquals(0, count(graph.getVertex("v1", AUTHORIZATIONS_A).getProperties()));
  assertEquals(2, count(graph.getVertex("v1", AUTHORIZATIONS_A_AND_B).getProperties()));
}

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