com.tinkerpop.blueprints.Vertex.addEdge()方法的使用及代码示例

x33g5p2x  于2022-01-31 转载在 其他  
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本文整理了Java中com.tinkerpop.blueprints.Vertex.addEdge()方法的一些代码示例，展示了Vertex.addEdge()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.addEdge()方法的具体详情如下：
包路径：com.tinkerpop.blueprints.Vertex
类名称：Vertex
方法名：addEdge

Vertex.addEdge介绍

[英]Add a new outgoing edge from this vertex to the parameter vertex with provided edge label.
[中]使用提供的边标签，将此顶点的新传出边添加到参数顶点。

代码示例

代码示例来源：origin: socialsensor/graphdb-benchmarks

@Override
  public void relateNodes(Vertex src, Vertex dest)
  {
    src.addEdge("similar", dest);
  }
}

代码示例来源：origin: aws-samples/aws-big-data-blog

Vertex RestaurantVertex = get(graph, RESTAURANT_ID, nextLine[1]);
Edge visitEdge = userVertex.addEdge("visit", RestaurantVertex);
  RESTAURANTVertex.addEdge("restaurant_genre", genreVertex);
  userVertex.addEdge("friend", friendVertex);

代码示例来源：origin: com.tinkerpop.blueprints/blueprints-core

public Edge addEdge(final String label, final Vertex vertex) {
  if (vertex instanceof WrappedVertex)
    return new WrappedEdge(((Vertex) this.baseElement).addEdge(label, ((WrappedVertex) vertex).getBaseVertex()));
  else
    return new WrappedEdge(((Vertex) this.baseElement).addEdge(label, vertex));
}

代码示例来源：origin: gentics/mesh

private void migrateEdge(Edge edge, String newLabel, boolean reverseOrder) {
  Vertex in = edge.getVertex(IN);
  Vertex out = edge.getVertex(OUT);
  if (reverseOrder) {
    out.addEdge(newLabel, in);
  } else {
    in.addEdge(newLabel, out);
  }
  edge.remove();
}

代码示例来源：origin: tinkerpop/furnace

public Edge addEdge(final String label, final Vertex vertex) {
  if (vertex instanceof DerivedVertex)
    return new DerivedEdge(((Vertex) this.baseElement).addEdge(label, ((DerivedVertex) vertex).getBaseVertex()), this.derivedGraph);
  else
    return new DerivedEdge(((Vertex) this.baseElement).addEdge(label, vertex), this.derivedGraph);
}

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

@Override
  public void run(TitanTransaction tx) {
    Vertex u1 = tx.getVertex(vids[0]),
        u2 = tx.getVertex(vids[pos++]);
    u1.addEdge("spouse",u2);
  }
});

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

@Override
  public void run(TitanTransaction tx) {
    Vertex u1 = tx.getVertex(vids[0]), u2 = tx.getVertex(vids[1]);
    u1.addEdge("knows",u2);
  }
});

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

@Override
  public void run(TitanTransaction tx) {
    Vertex u1 = tx.getVertex(vids[pos++]),
        u2 = tx.getVertex(vids[0]);
    u1.addEdge("spouse",u2);
  }
});

代码示例来源：origin: fr.inria.atlanmod.neoemf/neoemf-data-blueprints-core

@Override
protected void setMetaClass(final Id id, final Id metaClassId) {
  Vertex vertex = getVertex(id);
  Vertex metaClassVertex = getVertex(metaClassId);
  vertex.addEdge(BlueprintsPersistenceBackend.KEY_INSTANCE_OF, metaClassVertex);
}

代码示例来源：origin: gentics/mesh

private Vertex getOrFixUserReference(Vertex element, String edge) {
  Vertex creator;
  Iterator<Vertex> creatorIterator = element.getVertices(Direction.OUT, edge).iterator();
  if (!creatorIterator.hasNext()) {
    log.error("The element {" + element.getProperty("uuid") + "} has no {" + edge + "}. Using admin instead.");
    creator = findAdmin();
    element.addEdge(edge, creator);
  } else {
    creator = creatorIterator.next();
  }
  return creator;
}

代码示例来源：origin: com.puresoltechnologies.extended-objects/titan

@Override
public Edge createRelation(
  Vertex source,
  RelationTypeMetadata<TitanEdgeMetadata> metadata,
  RelationTypeMetadata.Direction direction,
  Vertex target,
  Map<PrimitivePropertyMethodMetadata<TitanPropertyMetadata>, Object> exampleEntity) {
String name = metadata.getDatastoreMetadata().getDiscriminator();
switch (direction) {
case FROM:
  return source.addEdge(name, target);
case TO:
  return target.addEdge(name, source);
default:
  throw new XOException("Unknown direction '" + direction.name()
    + "'.");
}
}

代码示例来源：origin: gentics/mesh

@Override
  public void applyInTx() {
    Vertex meshRoot = MeshGraphHelper.getMeshRootVertex(getGraph());
    Vertex projectRoot = meshRoot.getVertices(Direction.OUT, "HAS_PROJECT_ROOT").iterator().next();
    for (Vertex project : projectRoot.getVertices(Direction.OUT, "HAS_PROJECT")) {
      Iterator<Vertex> it = project.getVertices(Direction.OUT, "HAS_RELEASE_ROOT").iterator();
      if (it.hasNext()) {
        Vertex releaseRoot = it.next();
        for (Vertex release : releaseRoot.getVertices(Direction.OUT, "HAS_RELEASE")) {
          // Assign the release to the project
          release.addEdge("ASSIGNED_TO_PROJECT", project);
        }
      }
    }
  }
}

代码示例来源：origin: gentics/mesh

/**
   * Add the change to the list of executed changes.
   * 
   * @param change
   */
  public void add(Change change) {
    Vertex vertex = graph.addVertex(ChangeWrapper.class);
    ChangeWrapper graphChange = new ChangeWrapper(vertex);
    graphChange.update(change);
    rootVertex.addEdge(HAS_CHANGE, vertex);
  }
}

代码示例来源：origin: fr.inria.atlanmod.neoemf/neoemf-data-blueprints-core

/**
 * Updates the containment identified by its {@code name} between the {@code parentVertex} and the {@code
 * childVertex}.
 *
 * @param localName    the name of the property identifying the reference (parent -&gt; child)
 * @param parentVertex the parent vertex
 * @param childVertex  the child vertex
 */
private static void updateContainment(final String localName, final Vertex parentVertex, final Vertex childVertex) {
  for (Edge edge : childVertex.getEdges(Direction.OUT, CONTAINER)) {
    edge.remove();
  }
  Edge edge = childVertex.addEdge(CONTAINER, parentVertex);
  edge.setProperty(CONTAINING_FEATURE, localName);
}

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

@Override
  public void run(TitanTransaction tx) {
    Vertex a = tx.addVertex();
    a.setProperty("name",nameA);
    Vertex b = tx.addVertex();
    b.setProperty("name",nameB);
    b.addEdge("friend",b);
  }
},parallelThreads);

代码示例来源：origin: networknt/light

protected void addConfigDb(Map<String, Object> data) throws Exception {
  OrientGraph graph = ServiceLocator.getInstance().getGraph();
  try{
    graph.begin();
    Vertex createUser = graph.getVertexByKey("User.userId", data.remove("createUserId"));
    OrientVertex config = graph.addVertex("class:Config", data);
    createUser.addEdge("Create", config);
    graph.commit();
  } catch (Exception e) {
    logger.error("Exception:", e);
    graph.rollback();
  } finally {
    graph.shutdown();
  }
}

代码示例来源：origin: networknt/light

protected void addRole(Map<String, Object> data) throws Exception {
  OrientGraph graph = ServiceLocator.getInstance().getGraph();
  try {
    graph.begin();
    Vertex createUser = graph.getVertexByKey("User.userId", data.remove("createUserId"));
    OrientVertex role = graph.addVertex("class:Role", data);
    createUser.addEdge("Create", role);
    graph.commit();
  } catch (Exception e) {
    logger.error("Exception:", e);
    graph.rollback();
    throw e;
  } finally {
    graph.shutdown();
  }
}

代码示例来源：origin: networknt/light

protected void addHostConfigDb(Map<String, Object> data) throws Exception {
  OrientGraph graph = ServiceLocator.getInstance().getGraph();
  try{
    graph.begin();
    Vertex createUser = graph.getVertexByKey("User.userId", data.remove("createUserId"));
    OrientVertex hostConfig = graph.addVertex("class:HostConfig", data);
    createUser.addEdge("Create", hostConfig);
    graph.commit();
  } catch (Exception e) {
    logger.error("Exception:", e);
    graph.rollback();
  } finally {
    graph.shutdown();
  }
}

代码示例来源：origin: BrynCooke/totorom

/**
 * Add an edge using the supplied frame type.
 * 
 * @param label
 *            The label for the edge
 * @param inVertex
 *            The vertex to link to.
 * @param kind
 *            The kind of frame.
 * @return The new edge.
 */
protected <T extends FramedEdge> T addEdge(String label, FramedVertex inVertex, Class<T> kind) {
  Edge edge = element().addEdge(label, inVertex.element());
  T framedEdge = graph().frameNewElement(edge, kind);
  framedEdge.init();
  return framedEdge;
}

代码示例来源：origin: fr.inria.atlanmod.neoemf/neoemf-data-blueprints-core

@Override
protected void addReference(final Id id, final String name, int index, final boolean many, final boolean containment, final Id idReference) {
  Vertex vertex = getVertex(id);
  Vertex referencedVertex = getVertex(idReference);
  // Update the containment reference if needed
  if (containment) {
    updateContainment(name, vertex, referencedVertex);
  }
  int size = getSize(vertex, name);
  if (index == PersistentStore.NO_INDEX) {
    index = size;
  }
  size++;
  setSize(vertex, name, size);
  Edge edge = vertex.addEdge(name, referencedVertex);
  edge.setProperty(POSITION, index);
}

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