本文整理了Java中org.apache.tinkerpop.gremlin.structure.Graph.addVertex()方法的一些代码示例，展示了Graph.addVertex()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.addVertex()方法的具体详情如下：
包路径：org.apache.tinkerpop.gremlin.structure.Graph
类名称：Graph
方法名：addVertex

Graph.addVertex介绍

[英]Add a Vertex to the graph with provided vertex label.
[中]使用提供的顶点标签向图形添加顶点。

代码示例

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.SIMPLE)
public void shouldHashAndEqualCorrectly() {
  final Vertex v = graph.addVertex();
  final Edge e = v.addEdge("test", v);
  final Set<Edge> set = new HashSet<>();
  for (int i = 0; i < 100; i++) {
    set.add(ReferenceFactory.detach(e));
    set.add(e);
  }
  assertEquals(1, set.size());
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.VERTICES_ONLY)
public void shouldHaveStandardStringRepresentationForVertexProperty() {
  final Vertex v = graph.addVertex("name", "marko");
  final Property p = v.property("name");
  assertEquals(StringFactory.propertyString(p), p.toString());
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.VERTICES_ONLY)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS, supported = false)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_NUMERIC_IDS, supported = false)
public void shouldSupportNumericIdsIfNumericIdsAreGeneratedFromTheGraph() throws Exception {
  final Vertex v = graph.addVertex();
  final VertexProperty p = v.property(VertexProperty.Cardinality.single, "name", "stephen");
  if (p.id() instanceof Number)
    fail(String.format(INVALID_FEATURE_SPECIFICATION, VertexPropertyFeatures.class.getSimpleName(), VertexPropertyFeatures.FEATURE_NUMERIC_IDS));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = VertexFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS, supported = false)
@FeatureRequirement(featureClass = VertexFeatures.class, feature = FEATURE_STRING_IDS, supported = false)
public void shouldSupportStringIdsIfStringIdsAreGeneratedFromTheGraph() throws Exception {
  final Vertex v = graph.addVertex();
  if (v.id() instanceof String)
    fail(String.format(INVALID_FEATURE_SPECIFICATION, VertexFeatures.class.getSimpleName(), FEATURE_STRING_IDS));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES, supported = false)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
public void shouldSupportAddEdgesIfEdgeCanBeAdded() throws Exception {
  try {
    final Vertex v = graph.addVertex();
    v.addEdge("friend", v);
    fail(String.format(INVALID_FEATURE_SPECIFICATION, EdgeFeatures.class.getSimpleName(), EdgeFeatures.FEATURE_ADD_EDGES));
  } catch (Exception e) {
    validateException(Vertex.Exceptions.edgeAdditionsNotSupported(), e);
  }
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_PROPERTY)
public void shouldEnableFeatureOnVertexIfNotEnabled() throws Exception {
  assumeThat(graph.features().supports(VertexPropertyFeatures.class, featureName), is(false));
  try {
    graph.addVertex("aKey", value);
    fail(String.format(INVALID_FEATURE_SPECIFICATION, VertexPropertyFeatures.class.getSimpleName(), featureName));
  } catch (Exception e) {
    validateException(Property.Exceptions.dataTypeOfPropertyValueNotSupported(value), e);
  }
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.SIMPLE)
public void shouldNotBeEqualsPropertiesAsIdIsDifferent() {
  final Vertex v = graph.addVertex();
  final VertexProperty vp1 = v.property(VertexProperty.Cardinality.single, "test", "this");
  final ReferenceVertexProperty mp1 = ReferenceFactory.detach(vp1);
  final VertexProperty vp2 = v.property(VertexProperty.Cardinality.single, "testing", "this");
  final ReferenceVertexProperty mp2 = ReferenceFactory.detach(vp2);
  assertFalse(mp1.equals(mp2));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_PROPERTY)
public void shouldSetValueOnVertex() throws Exception {
  assumeThat(graph.features().supports(VertexPropertyFeatures.class, featureName), is(true));
  final Vertex vertex = graph.addVertex();
  vertex.property(VertexProperty.Cardinality.single, "aKey", value);
  assertPropertyValue(vertex);
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
public void shouldHaveStandardStringRepresentation() {
  final Vertex v1 = graph.addVertex();
  final Vertex v2 = graph.addVertex();
  final Edge e = v1.addEdge("friends", v2);
  assertEquals(StringFactory.edgeString(e), e.toString());
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.VERTICES_ONLY)
public void shouldHaveTruncatedStringRepresentationForVertexProperty() {
  final Vertex v = graph.addVertex("name", "maria de la santa cruz rosalina agnelia rodriguez cuellar rene");
  final Property p = v.property("name");
  assertEquals(StringFactory.propertyString(p), p.toString());
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = VertexFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS, supported = false)
@FeatureRequirement(featureClass = VertexFeatures.class, feature = FEATURE_UUID_IDS, supported = false)
public void shouldSupportUuidIdsIfUuidIdsAreGeneratedFromTheGraph() throws Exception {
  final Vertex v = graph.addVertex();
  if (v.id() instanceof UUID)
    fail(String.format(INVALID_FEATURE_SPECIFICATION, VertexFeatures.class.getSimpleName(), FEATURE_UUID_IDS));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = EdgeFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS, supported = false)
@FeatureRequirement(featureClass = EdgeFeatures.class, feature = FEATURE_NUMERIC_IDS, supported = false)
public void shouldSupportNumericIdsIfNumericIdsAreGeneratedFromTheGraph() throws Exception {
  final Vertex v = graph.addVertex();
  final Edge e = v.addEdge("knows", v);
  if (e.id() instanceof Number)
    fail(String.format(INVALID_FEATURE_SPECIFICATION, EdgeFeatures.class.getSimpleName(), FEATURE_NUMERIC_IDS));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.VERTICES_ONLY)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS, supported = false)
@FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_UUID_IDS, supported = false)
public void shouldSupportUuidIdsIfUuidIdsAreGeneratedFromTheGraph() throws Exception {
  final Vertex v = graph.addVertex();
  final VertexProperty p = v.property(VertexProperty.Cardinality.single, "name", "stephen");
  if (p.id() instanceof UUID)
    fail(String.format(INVALID_FEATURE_SPECIFICATION, VertexPropertyFeatures.class.getSimpleName(), VertexPropertyFeatures.FEATURE_UUID_IDS));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.SIMPLE)
public void shouldBeEqualsPropertiesAsIdIsTheSame() {
  final Vertex v = graph.addVertex();
  final VertexProperty vp = v.property(VertexProperty.Cardinality.single, "test", "this");
  final ReferenceVertexProperty vp1 = ReferenceFactory.detach(vp);
  final ReferenceVertexProperty vp2 = ReferenceFactory.detach(vp);
  assertTrue(vp1.equals(vp2));
  assertTrue(vp1.equals(vp));
  assertTrue(vp.equals(vp2));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_STRING_IDS)
public void shouldIterateVerticesWithStringIdSupportUsingVertices() {
  // if the graph supports id assigned, it should allow it.  if the graph does not, it will generate one
  final Vertex v1 = graph.features().vertex().supportsUserSuppliedIds() ? graph.addVertex(T.id, "1") : graph.addVertex();
  final Vertex v2 = graph.features().vertex().supportsUserSuppliedIds() ? graph.addVertex(T.id, "2") : graph.addVertex();
  graph.addVertex();
  tryCommit(graph, graph -> {
    assertEquals(2, IteratorUtils.count(graph.vertices(v1, v2)));
  });
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirementSet(FeatureRequirementSet.Package.VERTICES_ONLY)
public void shouldSetLabelOfVertexPropertyToKeyOfOwningProperty() {
  final Vertex v = graph.addVertex("name", "stephen");
  tryCommit(graph, g -> assertEquals("name", v.property("name").label()));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
public void shouldHaveExceptionConsistencyWhenUsingNullVertexLabel() {
  try {
    graph.addVertex(T.label, null);
    fail("Call to Graph.addVertex() should throw an exception when label is null");
  } catch (Exception ex) {
    validateException(Element.Exceptions.labelCanNotBeNull(), ex);
  }
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = EdgeFeatures.class, feature = FEATURE_USER_SUPPLIED_IDS, supported = false)
@FeatureRequirement(featureClass = EdgeFeatures.class, feature = FEATURE_STRING_IDS, supported = false)
public void shouldSupportStringIdsIfStringIdsAreGeneratedFromTheGraph() throws Exception {
  final Vertex v = graph.addVertex();
  final Edge e = v.addEdge("knows", v);
  if (e.id() instanceof String)
    fail(String.format(INVALID_FEATURE_SPECIFICATION, EdgeFeatures.class.getSimpleName(), FEATURE_STRING_IDS));
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = VertexFeatures.FEATURE_ADD_PROPERTY, supported = false)
public void shouldSupportAddVertexPropertyIfItCanBeAdded() throws Exception {
  try {
    final Vertex v = graph.addVertex();
    v.property(VertexProperty.Cardinality.single, "should", "not-add-property");
    fail(String.format(INVALID_FEATURE_SPECIFICATION, VertexFeatures.class.getSimpleName(), VertexFeatures.FEATURE_ADD_PROPERTY));
  } catch (Exception e) {
    validateException(Element.Exceptions.propertyAdditionNotSupported(), e);
  }
}

代码示例来源：origin: apache/tinkerpop

@Test
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
@FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_UUID_IDS)
public void shouldIterateVerticesWithUuidIdSupportUsingVertices() {
  // if the graph supports id assigned, it should allow it.  if the graph does not, it will generate one
  final Vertex v1 = graph.features().vertex().supportsUserSuppliedIds() ? graph.addVertex(T.id, UUID.randomUUID()) : graph.addVertex();
  final Vertex v2 = graph.features().vertex().supportsUserSuppliedIds() ? graph.addVertex(T.id, UUID.randomUUID()) : graph.addVertex();
  graph.addVertex();
  tryCommit(graph, graph -> {
    assertEquals(2, IteratorUtils.count(graph.vertices(v1, v2)));
  });
}