本文整理了Java中org.neo4j.graphdb.Node.getRelationshipTypes()方法的一些代码示例，展示了Node.getRelationshipTypes()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。Node.getRelationshipTypes()方法的具体详情如下：
包路径：org.neo4j.graphdb.Node
类名称：Node
方法名：getRelationshipTypes

Node.getRelationshipTypes介绍

[英]Returns relationship types which this node has one more relationships for. If this node doesn't have any relationships an empty Iterablewill be returned.
[中]返回此节点具有一个或多个关系的关系类型。如果此节点没有任何关系，则将返回空的iterablew。

代码示例

代码示例来源：origin: neo4j/neo4j

private void assertExpectedRelationshipTypes( Set<String> expectedTypes, Node node, boolean commit )
{
  Set<String> actual = Iterables.asSet( asStrings( node.getRelationshipTypes() ) );
  assertEquals( expectedTypes, actual );
  if ( commit )
  {
    newTransaction();
  }
  assertEquals( expectedTypes, Iterables.asSet( asStrings( node.getRelationshipTypes() ) ) );
}

代码示例来源：origin: neo4j/neo4j

private void assertDegrees( Node node )
{
  for ( RelationshipType type : node.getRelationshipTypes() )
  {
    for ( Direction direction : Direction.values() )
    {
      long degree = node.getDegree( type, direction );
      long actualDegree = count( node.getRelationships( type, direction ) );
      assertEquals( actualDegree, degree );
    }
  }
}

代码示例来源：origin: neo4j/neo4j

@Test
public void shouldOnlyReturnTypeOnce()
{
  // Given
  Node node;
  try ( Transaction tx = db.beginTx() )
  {
    node = db.createNode();
    node.createRelationshipTo( db.createNode(), RelationshipType.withName( "R" ) );
    node.createRelationshipTo( db.createNode(), RelationshipType.withName( "R" ) );
    node.createRelationshipTo( db.createNode(), RelationshipType.withName( "R" ) );
    tx.success();
  }
  // Then
  try ( Transaction tx = db.beginTx() )
  {
    assertThat( Iterables.asList( node.getRelationshipTypes() ),
        equalTo( singletonList( RelationshipType.withName( "R" ) ) ) );
  }
}

代码示例来源：origin: neo4j-contrib/neo4j-apoc-procedures

public void mergeRelsWithSameTypeAndDirectionInMergeNodes(Node node, RefactorConfig config, Direction dir) {
    for (RelationshipType  type : node.getRelationshipTypes()) {
      StreamSupport.stream(node.getRelationships(dir,type).spliterator(), false)
          .collect(Collectors.groupingBy(rel -> Pair.of(rel.getStartNode(), rel.getEndNode())))
          .values().stream()
          .filter(list -> !list.isEmpty())
          .forEach(list -> {
            Relationship first = list.get(0);
            for (int i = 1; i < list.size(); i++) {
              mergeRels(list.get(i), first, true, config);
            }
          });
    }
  }
}

代码示例来源：origin: neo4j-contrib/neo4j-apoc-procedures

private void addRelationships(Map<String, Map<String, MetaResult>> metaData, Map<String, MetaResult> nodeMeta, String labelName, Node node, Map<String, Iterable<ConstraintDefinition>> relConstraints) {
    for (RelationshipType type : node.getRelationshipTypes()) {
      int out = node.getDegree(type, Direction.OUTGOING);
      if (out == 0) continue;
      String typeName = type.name();
      Iterable<ConstraintDefinition> constraints = relConstraints.get(typeName);
      if (!nodeMeta.containsKey(typeName)) nodeMeta.put(typeName, new MetaResult(labelName,typeName));
//            int in = node.getDegree(type, Direction.INCOMING);
      Map<String, MetaResult> typeMeta = metaData.get(typeName);
      if (!typeMeta.containsKey(labelName)) typeMeta.put(labelName,new MetaResult(typeName,labelName));
      MetaResult relMeta = nodeMeta.get(typeName);
      addOtherNodeInfo(node, labelName, out, type, relMeta , typeMeta, constraints);
    }
  }

代码示例来源：origin: neo4j-contrib/neo4j-apoc-procedures

@UserFunction("apoc.node.relationship.types")
@Description("apoc.node.relationship.types(node, rel-direction-pattern) - returns a list of distinct relationship types")
public List<String> relationshipTypes(@Name("node") Node node, @Name(value = "types",defaultValue = "") String types) {
  if (node==null) return null;
  List<String> relTypes = Iterables.asList(Iterables.map(RelationshipType::name, node.getRelationshipTypes()));
  if (types == null || types.isEmpty()) return relTypes;
  List<String> result = new ArrayList<>(relTypes.size());
  for (Pair<RelationshipType, Direction> p : parse(types)) {
    String name = p.first().name();
    if (relTypes.contains(name) && node.hasRelationship(p.first(),p.other())) {
      result.add(name);
    }
  }
  return result;
}

代码示例来源：origin: neo4j-contrib/neo4j-apoc-procedures

public void sample(GraphDatabaseService db, Sampler sampler, int sampleSize) {
  for (Label label : db.getAllLabelsInUse()) {
    ResourceIterator<Node> nodes = db.findNodes(label);
    int count = 0;
    while (nodes.hasNext() && count++ < sampleSize) {
      Node node = nodes.next();
      sampler.sample(label,count,node);
      for (RelationshipType type : node.getRelationshipTypes()) {
        sampleRels(sampleSize, sampler, label, count, node, type);
      }
    }
    nodes.close();
  }
}

代码示例来源：origin: com.graphaware.neo4j/common

/**
 * @see org.neo4j.graphdb.Node#getRelationshipTypes().
 */
public Iterable<RelationshipType> getRelationshipTypes() {
  return getWrappedNode().getRelationshipTypes();
}