org.neo4j.graphdb.Relationship.getPropertyKeys()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.neo4j.graphdb.Relationship.getPropertyKeys方法的一些代码示例，展示了Relationship.getPropertyKeys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。Relationship.getPropertyKeys方法的具体详情如下：
包路径：org.neo4j.graphdb.Relationship
类名称：Relationship
方法名：getPropertyKeys

Relationship.getPropertyKeys介绍

暂无

代码示例

代码示例来源：origin: neo4j/neo4j

@Test
public void shouldStoreSuppliedPropertiesWhenCreatingRelationship() throws Exception
{
  Map<String, Object> properties = new HashMap<>();
  properties.put( "string", "value" );
  properties.put( "integer", 17 );
  long relId = actions.createRelationship( graphdbHelper.createNode(), graphdbHelper.createNode(), "LOVES",
      properties )
      .getId();
  try ( Transaction tx = database.getGraph().beginTx() )
  {
    Relationship rel = database.getGraph().getRelationshipById( relId );
    for ( String key : rel.getPropertyKeys() )
    {
      assertTrue( "extra property stored", properties.containsKey( key ) );
    }
    for ( Map.Entry<String, Object> entry : properties.entrySet() )
    {
      assertEquals( entry.getValue(), rel.getProperty( entry.getKey() ) );
    }
  }
}

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

public void add(Relationship relationship) {
    for (String key : relationship.getPropertyKeys()) properties.add(key);
    count++;
  }
}

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

private void appendRelationship(PrintWriter out, Relationship rel, Reporter reporter) {
  String cypher = this.cypherFormat.statementForRelationship(rel, uniqueConstraints, indexedProperties);
  if (cypher != null && !"".equals(cypher)) {
    out.println(cypher);
    reporter.update(0, 1, Iterables.count(rel.getPropertyKeys()));
  }
}

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

@Override
  public String statementForRelationship(Relationship relationship,  Map<String, String> uniqueConstraints, Set<String> indexedProperties) {
    StringBuilder result = new StringBuilder(100);
    result.append("MATCH ");
    result.append(CypherFormatterUtils.formatNodeLookup("n1", relationship.getStartNode(), uniqueConstraints, indexedProperties));
    result.append(", ");
    result.append(CypherFormatterUtils.formatNodeLookup("n2", relationship.getEndNode(), uniqueConstraints, indexedProperties));
    result.append(" CREATE (n1)-[r:" + CypherFormatterUtils.quote(relationship.getType().name()));
    if (relationship.getPropertyKeys().iterator().hasNext()) {
      result.append(" {");
      result.append(CypherFormatterUtils.formatRelationshipProperties("", relationship, true));
      result.append("}");
    }
    result.append("]->(n2);");
    return result.toString();
  }
}

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

public String mergeStatementForRelationship(CypherFormat cypherFormat, Relationship relationship, Map<String, String> uniqueConstraints, Set<String> indexedProperties) {
    StringBuilder result = new StringBuilder(1000);
    result.append("MATCH ");
    result.append(CypherFormatterUtils.formatNodeLookup("n1", relationship.getStartNode(), uniqueConstraints, indexedProperties));
    result.append(", ");
    result.append(CypherFormatterUtils.formatNodeLookup("n2", relationship.getEndNode(), uniqueConstraints, indexedProperties));
    result.append(" MERGE (n1)-[r:" + CypherFormatterUtils.quote(relationship.getType().name()) + "]->(n2)");
    if (relationship.getPropertyKeys().iterator().hasNext()) {
      result.append(cypherFormat.equals(CypherFormat.UPDATE_STRUCTURE) ? " ON CREATE SET " : " SET ");
      result.append(CypherFormatterUtils.formatRelationshipProperties("r", relationship, false));
    }
    result.append(";");
    return result.toString();
  }
}

代码示例来源：origin: neo4j-contrib/graph-collections

@Override
public Iterable<String> getPropertyKeys()
{
  return keyValueRelationship.getPropertyKeys();
}

代码示例来源：origin: org.neo4j/neo4j-graph-collections

@Override
public Iterable<String> getPropertyKeys()
{
  return keyValueRelationship.getPropertyKeys();
}

代码示例来源：origin: org.neo4j/neo4j-shell

@Override
public Iterable<String> getPropertyKeys()
{
  return actual.getPropertyKeys();
}

代码示例来源：origin: org.neo4j/neo4j-shell

@Override
public Iterable<String> getPropertyKeys()
{
  return object().getPropertyKeys();
}

代码示例来源：origin: com.lordofthejars/nosqlunit-neo4j

private Map<String, String> findRelationshipKeys(Iterable<Relationship> relationships) {
  Map<String, String> edgeKeyTypes = new HashMap<String, String>();
  for (Relationship relationship : relationships) {
    Iterable<String> keys = relationship.getPropertyKeys();
    for (String key : keys) {
      if (!edgeKeyTypes.containsKey(key)) {
        edgeKeyTypes.put(key, getStringType(relationship.getProperty(key)));
      }
    }
  }
  return edgeKeyTypes;
}

代码示例来源：origin: lordofthejars/nosql-unit

private Map<String, String> findRelationshipKeys(Iterable<Relationship> relationships) {
  Map<String, String> edgeKeyTypes = new HashMap<String, String>();
  for (Relationship relationship : relationships) {
    Iterable<String> keys = relationship.getPropertyKeys();
    for (String key : keys) {
      if (!edgeKeyTypes.containsKey(key)) {
        edgeKeyTypes.put(key, getStringType(relationship.getProperty(key)));
      }
    }
  }
  return edgeKeyTypes;
}

代码示例来源：origin: neo4j-contrib/graph-collections

TempRelationship(Relationship rel){
  endNode = rel.getEndNode();
  props = new HashMap<String, Object>();
  for(String key: rel.getPropertyKeys()){
    props.put(key, rel.getProperty(key));
  }
}

代码示例来源：origin: org.neo4j/neo4j-graph-collections

TempRelationship(Relationship rel){
  endNode = rel.getEndNode();
  props = new HashMap<String, Object>();
  for(String key: rel.getPropertyKeys()){
    props.put(key, rel.getProperty(key));
  }
}

代码示例来源：origin: org.commonjava.maven.atlas/atlas-driver-neo4j-embedded

public static void cloneRelationshipProperties( final Relationship from, final Relationship to )
{
  final Iterable<String> keys = from.getPropertyKeys();
  for ( final String key : keys )
  {
    to.setProperty( key, from.getProperty( key ) );
  }
}

代码示例来源：origin: SciGraph/SciGraph

private void relationshipGeneration(JsonGenerator generator, Relationship relationship)
   throws IOException {
  generator.writeStartObject();
  generator.writeStringField("type", relationship.getType().name());
  for (String k : relationship.getPropertyKeys()) {
   resultSerializer(generator, k, relationship.getProperty(k));
  }
  generator.writeEndObject();
 }
}

代码示例来源：origin: maxdemarzi/graph_processing

@GET
@Path("/warmup")
public String warmUp(@Context GraphDatabaseService db) {
  try ( Transaction tx = db.beginTx()) {
    for ( Node n : db.getAllNodes()) {
      n.getPropertyKeys();
      for ( Relationship relationship : n.getRelationships()) {
        relationship.getPropertyKeys();
        relationship.getStartNode();
      }
    }
  }
  return "Warmed up and ready to go!";
}

代码示例来源：origin: com.graphaware/neo4j-tx-event-api

/**
 * Inform this object about a relationship that has been created.
 *
 * @param relationship that has been created.
 */
public void relationshipCreated(Relationship relationship) {
  if (commitInProgress) {
    return;
  }
  createdRelationships.add(relationship);
  for (String key : relationship.getPropertyKeys()) {
    assignedRelationshipProperties.put(new IdAndKey(relationship.getId(), key),
        PropertyEntryImpl.assigned(relationship, key, relationship.getProperty(key), null));
  }
  incrementMutationsAndCommitIfNeeded();
}

代码示例来源：origin: SciGraph/SciGraph

Relationship mockRealtionship(Node start, Node end) {
 Relationship r = mock(Relationship.class);
 when(r.getPropertyKeys()).thenReturn(Collections.<String>emptySet());
 when(r.getType()).thenReturn(RelationshipType.withName("FOO"));
 when(r.getStartNode()).thenReturn(start);
 when(r.getEndNode()).thenReturn(end);
 return r;
}

代码示例来源：origin: org.neo4j/neo4j-graph-collections

private void moveValueRelationship( Relationship valueRelationship, Node targetPage )
{
  Relationship newRelationship = targetPage.createRelationshipTo(
    valueRelationship.getEndNode(), GraphCollection.RelationshipTypes.VALUE );
  for ( String key : valueRelationship.getPropertyKeys() )
  {
    newRelationship.setProperty( key, valueRelationship.getProperty( key ) );
  }
  valueRelationship.delete();
}

代码示例来源：origin: neo4j-contrib/graph-collections

private void moveValueRelationship( Relationship valueRelationship, Node targetPage )
{
  Relationship newRelationship = targetPage.createRelationshipTo(
    valueRelationship.getEndNode(), GraphCollection.RelationshipTypes.VALUE );
  for ( String key : valueRelationship.getPropertyKeys() )
  {
    newRelationship.setProperty( key, valueRelationship.getProperty( key ) );
  }
  valueRelationship.delete();
}

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