org.vertexium.Graph.getEdges()方法的使用及代码示例

x33g5p2x  于2022-01-20 转载在 其他  
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本文整理了Java中org.vertexium.Graph.getEdges()方法的一些代码示例，展示了Graph.getEdges()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。Graph.getEdges()方法的具体详情如下：
包路径：org.vertexium.Graph
类名称：Graph
方法名：getEdges

Graph.getEdges介绍

[英]Gets all edges on the graph matching the given ids.
[中]获取图上与给定ID匹配的所有边。

代码示例

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

public static Iterable<EdgeVertexPair> getEdgeVertexPairs(
      Graph graph,
      String sourceVertexId,
      Iterable<EdgeInfo> edgeInfos,
      FetchHints fetchHints,
      Long endTime,
      Authorizations authorizations
  ) {
    Set<String> edgeIdsToFetch = new HashSet<>();
    Set<String> vertexIdsToFetch = new HashSet<>();
    for (EdgeInfo edgeInfo : edgeInfos) {
      edgeIdsToFetch.add(edgeInfo.getEdgeId());
      vertexIdsToFetch.add(edgeInfo.getVertexId());
    }
    final Map<String, Vertex> vertices = IterableUtils.toMapById(graph.getVertices(vertexIdsToFetch, fetchHints, endTime, authorizations));
    Iterable<Edge> edges = graph.getEdges(edgeIdsToFetch, fetchHints, endTime, authorizations);
    return new ConvertingIterable<Edge, EdgeVertexPair>(edges) {
      @Override
      protected EdgeVertexPair convert(Edge edge) {
        String otherVertexId = edge.getOtherVertexId(sourceVertexId);
        Vertex otherVertex = vertices.get(otherVertexId);
        if (otherVertex == null) {
          throw new VertexiumException("Found an edge " + edge.getId() + ", but could not find the vertex on the other end: " + otherVertexId);
        }
        return new EdgeVertexPair(edge, otherVertex);
      }
    };
  }
}

代码示例来源：origin: org.visallo/visallo-web

/**
   * This is overridable so web plugins can modify the resulting set of edges.
   */
  @SuppressWarnings("UnusedParameters")
  protected ClientApiEdgeMultipleResponse getEdges(
      HttpServletRequest request,
      String workspaceId,
      Iterable<String> edgeIds,
      Authorizations authorizations
  ) {
    ClientApiEdgeMultipleResponse edgeResult = new ClientApiEdgeMultipleResponse();

    Iterable<Edge> edges = graph.getEdges(edgeIds, FetchHint.ALL, authorizations);
    for (Edge e : edges) {
      ClientApiEdge clientApiEdge = ClientApiConverter.toClientApiEdge(e, workspaceId);
      edgeResult.getEdges().add(clientApiEdge);
    }

    return edgeResult;
  }
}

代码示例来源：origin: visallo/vertexium

public static Iterable<EdgeVertexPair> getEdgeVertexPairs(
      Graph graph,
      String sourceVertexId,
      Iterable<EdgeInfo> edgeInfos,
      FetchHints fetchHints,
      Long endTime,
      Authorizations authorizations
  ) {
    Set<String> edgeIdsToFetch = new HashSet<>();
    Set<String> vertexIdsToFetch = new HashSet<>();
    for (EdgeInfo edgeInfo : edgeInfos) {
      edgeIdsToFetch.add(edgeInfo.getEdgeId());
      vertexIdsToFetch.add(edgeInfo.getVertexId());
    }
    final Map<String, Vertex> vertices = IterableUtils.toMapById(graph.getVertices(vertexIdsToFetch, fetchHints, endTime, authorizations));
    Iterable<Edge> edges = graph.getEdges(edgeIdsToFetch, fetchHints, endTime, authorizations);
    return new ConvertingIterable<Edge, EdgeVertexPair>(edges) {
      @Override
      protected EdgeVertexPair convert(Edge edge) {
        String otherVertexId = edge.getOtherVertexId(sourceVertexId);
        Vertex otherVertex = vertices.get(otherVertexId);
        if (otherVertex == null) {
          throw new VertexiumException("Found an edge " + edge.getId() + ", but could not find the vertex on the other end: " + otherVertexId);
        }
        return new EdgeVertexPair(edge, otherVertex);
      }
    };
  }
}

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

@Override
public Iterable<Edge> getEdges() {
  final Authorizations authorizations = getAuthorizationsProvider().getAuthorizations();
  return new ConvertingIterable<org.vertexium.Edge, Edge>(getGraph().getEdges(getFetchHints(), authorizations)) {
    @Override
    protected Edge convert(org.vertexium.Edge edge) {
      return VertexiumBlueprintsEdge.create(VertexiumBlueprintsGraph.this, edge, authorizations);
    }
  };
}

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

@Override
public Iterable<Edge> edges() {
  if (!hasFilter) {
    return VertexiumBlueprintsConvert.toBlueprintsEdges(graph, graph.getGraph().getEdges(graph.getFetchHints(), authorizations), authorizations);
  }
  Iterable<org.vertexium.Edge> edges = q.edges(graph.getFetchHints());
  return VertexiumBlueprintsConvert.toBlueprintsEdges(graph, edges, authorizations);
}

代码示例来源：origin: org.vertexium/vertexium-elasticsearch-singledocument

Iterable<? extends VertexiumObject> edges = getGraph().getEdges(ids.getEdgeIds(), fetchHints, filterParameters.getAuthorizations());
items.add(edges);

代码示例来源：origin: org.vertexium/vertexium-elasticsearch2

Iterable<? extends VertexiumObject> edges = getGraph().getEdges(ids.getEdgeIds(), fetchHints, filterParameters.getAuthorizations());
items.add(edges);

代码示例来源：origin: visallo/vertexium

@SuppressWarnings("unchecked")
private <T extends Element> Iterable<T> getIterableFromElementType(ElementType elementType, FetchHints fetchHints) throws VertexiumException {
  switch (elementType) {
    case VERTEX:
      return (Iterable<T>) getGraph().getVertices(fetchHints, getParameters().getAuthorizations());
    case EDGE:
      return (Iterable<T>) getGraph().getEdges(fetchHints, getParameters().getAuthorizations());
    default:
      throw new VertexiumException("Unexpected element type: " + elementType);
  }
}

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

@SuppressWarnings("unchecked")
private <T extends Element> Iterable<T> getIterableFromElementType(ElementType elementType, FetchHints fetchHints) throws VertexiumException {
  switch (elementType) {
    case VERTEX:
      return (Iterable<T>) getGraph().getVertices(fetchHints, getParameters().getAuthorizations());
    case EDGE:
      return (Iterable<T>) getGraph().getEdges(fetchHints, getParameters().getAuthorizations());
    default:
      throw new VertexiumException("Unexpected element type: " + elementType);
  }
}

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

@Traced
protected Iterable<Edge> findModifiedEdges(
    final Workspace workspace,
    List<WorkspaceEntity> workspaceEntities,
    boolean includeHidden,
    User user
) {
  Authorizations systemAuthorizations = getAuthorizationRepository().getGraphAuthorizations(
      user,
      VisalloVisibility.SUPER_USER_VISIBILITY_STRING,
      workspace.getWorkspaceId()
  );
  Iterable<Vertex> vertices = stream(WorkspaceEntity.toVertices(workspaceEntities, getGraph(), systemAuthorizations))
      .filter(Objects::nonNull)
      .collect(Collectors.toList());
  Authorizations authorizations = getAuthorizationRepository().getGraphAuthorizations(
      user,
      VISIBILITY_STRING,
      workspace.getWorkspaceId()
  );
  Iterable<String> edgeIds = getGraph().findRelatedEdgeIdsForVertices(vertices, authorizations);
  return getGraph().getEdges(
      edgeIds,
      includeHidden ? FetchHint.ALL_INCLUDING_HIDDEN : FetchHint.ALL,
      authorizations
  );
}

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

@Test
public void testGetVertexAtASpecificTimeInHistory() {
  Date time25 = createDate(2015, 4, 6, 16, 15, 0);
  Date time30 = createDate(2015, 4, 6, 16, 16, 0);
  Metadata metadata = Metadata.create();
  Vertex v1 = graph.prepareVertex("v1", time25.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 25, metadata, time25.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  Vertex v2 = graph.prepareVertex("v2", time25.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 20, metadata, time25.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.prepareEdge("e1", v1, v2, LABEL_LABEL1, time30.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.prepareVertex("v1", time30.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 30, metadata, time30.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.prepareVertex("v3", time30.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 35, metadata, time30.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.flush();
  // verify current versions
  assertEquals(30, graph.getVertex("v1", AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertEquals(20, graph.getVertex("v2", AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertEquals(35, graph.getVertex("v3", AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertEquals(1, count(graph.getEdges(AUTHORIZATIONS_A)));
  // verify old version
  assertEquals(25, graph.getVertex("v1", graph.getDefaultFetchHints(), time25.getTime(), AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertNull("v3 should not exist at time25", graph.getVertex("v3", graph.getDefaultFetchHints(), time25.getTime(), AUTHORIZATIONS_A));
  assertEquals("e1 should not exist", 0, count(graph.getEdges(graph.getDefaultFetchHints(), time25.getTime(), AUTHORIZATIONS_A)));
}

代码示例来源：origin: visallo/vertexium

@Test
public void testGetVertexAtASpecificTimeInHistory() {
  Date time25 = createDate(2015, 4, 6, 16, 15, 0);
  Date time30 = createDate(2015, 4, 6, 16, 16, 0);
  Metadata metadata = Metadata.create();
  Vertex v1 = graph.prepareVertex("v1", time25.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 25, metadata, time25.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  Vertex v2 = graph.prepareVertex("v2", time25.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 20, metadata, time25.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.prepareEdge("e1", v1, v2, LABEL_LABEL1, time30.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.prepareVertex("v1", time30.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 30, metadata, time30.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.prepareVertex("v3", time30.getTime(), VISIBILITY_A)
      .addPropertyValue("", "age", 35, metadata, time30.getTime(), VISIBILITY_A)
      .save(AUTHORIZATIONS_A);
  graph.flush();
  // verify current versions
  assertEquals(30, graph.getVertex("v1", AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertEquals(20, graph.getVertex("v2", AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertEquals(35, graph.getVertex("v3", AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertEquals(1, count(graph.getEdges(AUTHORIZATIONS_A)));
  // verify old version
  assertEquals(25, graph.getVertex("v1", graph.getDefaultFetchHints(), time25.getTime(), AUTHORIZATIONS_A).getPropertyValue("", "age"));
  assertNull("v3 should not exist at time25", graph.getVertex("v3", graph.getDefaultFetchHints(), time25.getTime(), AUTHORIZATIONS_A));
  assertEquals("e1 should not exist", 0, count(graph.getEdges(graph.getDefaultFetchHints(), time25.getTime(), AUTHORIZATIONS_A)));
}

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

@Override
protected QueryResultsIterable<? extends VertexiumObject> extendedData(FetchHints fetchHints) {
  Iterable<Vertex> vertices = getGraph().getVertices(IterableUtils.toIterable(getVertexIds()), fetchHints, getParameters().getAuthorizations());
  Iterable<String> edgeIds = new VerticesToEdgeIdsIterable(vertices, getParameters().getAuthorizations());
  Iterable<Edge> edges = getGraph().getEdges(edgeIds, fetchHints, getParameters().getAuthorizations());
  return extendedData(fetchHints, new JoinIterable<>(vertices, edges));
}

代码示例来源：origin: visallo/vertexium

@Test
public void testDeleteEdge() {
  Vertex v1 = graph.addVertex("v1", VISIBILITY_A, AUTHORIZATIONS_A);
  Vertex v2 = graph.addVertex("v2", VISIBILITY_A, AUTHORIZATIONS_A);
  Edge addedEdge = graph.addEdge("e1", v1, v2, LABEL_LABEL1, VISIBILITY_A, AUTHORIZATIONS_A);
  graph.flush();
  Assert.assertEquals(1, count(graph.getEdges(AUTHORIZATIONS_A)));
  try {
    graph.deleteEdge("e1", AUTHORIZATIONS_B);
  } catch (NullPointerException e) {
    // expected
  }
  Assert.assertEquals(1, count(graph.getEdges(AUTHORIZATIONS_A)));
  graph.deleteEdge("e1", AUTHORIZATIONS_A);
  graph.flush();
  Assert.assertEquals(0, count(graph.getEdges(AUTHORIZATIONS_A)));
  v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
  Assert.assertEquals(0, count(v1.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  v2 = graph.getVertex("v2", AUTHORIZATIONS_A);
  Assert.assertEquals(0, count(v2.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  graph.flush();
  assertEvents(
      new AddVertexEvent(graph, v1),
      new AddVertexEvent(graph, v2),
      new AddEdgeEvent(graph, addedEdge),
      new DeleteEdgeEvent(graph, addedEdge)
  );
}

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

@Test
public void testDeleteEdge() {
  Vertex v1 = graph.addVertex("v1", VISIBILITY_A, AUTHORIZATIONS_A);
  Vertex v2 = graph.addVertex("v2", VISIBILITY_A, AUTHORIZATIONS_A);
  Edge addedEdge = graph.addEdge("e1", v1, v2, LABEL_LABEL1, VISIBILITY_A, AUTHORIZATIONS_A);
  graph.flush();
  Assert.assertEquals(1, count(graph.getEdges(AUTHORIZATIONS_A)));
  try {
    graph.deleteEdge("e1", AUTHORIZATIONS_B);
  } catch (NullPointerException e) {
    // expected
  }
  Assert.assertEquals(1, count(graph.getEdges(AUTHORIZATIONS_A)));
  graph.deleteEdge("e1", AUTHORIZATIONS_A);
  graph.flush();
  Assert.assertEquals(0, count(graph.getEdges(AUTHORIZATIONS_A)));
  v1 = graph.getVertex("v1", AUTHORIZATIONS_A);
  Assert.assertEquals(0, count(v1.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  v2 = graph.getVertex("v2", AUTHORIZATIONS_A);
  Assert.assertEquals(0, count(v2.getVertices(Direction.BOTH, AUTHORIZATIONS_A)));
  graph.flush();
  assertEvents(
      new AddVertexEvent(graph, v1),
      new AddVertexEvent(graph, v2),
      new AddEdgeEvent(graph, addedEdge),
      new DeleteEdgeEvent(graph, addedEdge)
  );
}

代码示例来源：origin: visallo/vertexium

@Override
protected QueryResultsIterable<? extends VertexiumObject> extendedData(FetchHints fetchHints) {
  Iterable<Vertex> vertices = getGraph().getVertices(IterableUtils.toIterable(getVertexIds()), fetchHints, getParameters().getAuthorizations());
  Iterable<String> edgeIds = new VerticesToEdgeIdsIterable(vertices, getParameters().getAuthorizations());
  Iterable<Edge> edges = getGraph().getEdges(edgeIds, fetchHints, getParameters().getAuthorizations());
  return extendedData(fetchHints, new JoinIterable<>(vertices, edges));
}

代码示例来源：origin: visallo/vertexium

@Override
public QueryResultsIterable<Edge> edges(FetchHints fetchHints) {
  Iterable<Vertex> vertices = getGraph().getVertices(IterableUtils.toIterable(getVertexIds()), fetchHints, getParameters().getAuthorizations());
  Iterable<String> edgeIds = new VerticesToEdgeIdsIterable(vertices, getParameters().getAuthorizations());
  Iterable<Edge> edges = getGraph().getEdges(edgeIds, fetchHints, getParameters().getAuthorizations());
  return new DefaultGraphQueryIterableWithAggregations<>(getParameters(), edges, true, true, true, getAggregations());
}

代码示例来源：origin: org.visallo/visallo-web-structured-ingest-core

List<Edge> edges = Lists.newArrayList(getGraph().getEdges(authorizations));
assertEquals("Found the source and created edges", 3, edges.size());
assertTrue("Found the edge", edges.stream().anyMatch(edge -> edge.getLabel().equals(EDGE_LABEL)));

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

@Override
public QueryResultsIterable<Edge> edges(FetchHints fetchHints) {
  Iterable<Vertex> vertices = getGraph().getVertices(IterableUtils.toIterable(getVertexIds()), fetchHints, getParameters().getAuthorizations());
  Iterable<String> edgeIds = new VerticesToEdgeIdsIterable(vertices, getParameters().getAuthorizations());
  Iterable<Edge> edges = getGraph().getEdges(edgeIds, fetchHints, getParameters().getAuthorizations());
  return new DefaultGraphQueryIterableWithAggregations<>(getParameters(), edges, true, true, true, getAggregations());
}

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

graph.flush();
assertEquals(1, count(graph.getVertices(AUTHORIZATIONS_A)));
assertEquals(0, count(graph.getEdges(AUTHORIZATIONS_A)));
assertEquals(0, count(graph.query(AUTHORIZATIONS_A).has("name1", "value1").vertices()));

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