org.neo4j.driver.v1.Record.get()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中org.neo4j.driver.v1.Record.get方法的一些代码示例，展示了Record.get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。Record.get方法的具体详情如下：
包路径：org.neo4j.driver.v1.Record
类名称：Record
方法名：get

Record.get介绍

[英]Retrieve the value at the given field index
[中]检索给定字段索引处的值

代码示例

代码示例来源：origin: neo4j/neo4j

@Test
public void calls_simplistic_procedure()
{
  try ( Driver driver = GraphDatabase.driver( graphDb.boltURI(), configuration() );
      Session session = driver.session() )
  {
    StatementResult result = session.run( "CALL " + procedureNamespace + ".theAnswer()" );
    assertThat( result.single().get( "value" ).asLong() ).isEqualTo( 42L );
  }
}

代码示例来源：origin: testcontainers/testcontainers-java

@Test
public void shouldStart() {
  boolean actual = neo4jContainer.isRunning();
  assertThat(actual).isTrue();
  try (Driver driver = GraphDatabase
    .driver(neo4jContainer.getBoltUrl(), AuthTokens.basic("neo4j", "password"));
    Session session = driver.session()
  ) {
    long one = session.run("RETURN 1", Collections.emptyMap()).next().get(0).asLong();
    assertThat(one).isEqualTo(1L);
  } catch (Exception e) {
    fail(e.getMessage());
  }
}

代码示例来源：origin: testcontainers/testcontainers-java

@Test
public void shouldDisableAuthentication() {
  try (
    Neo4jContainer neo4jContainer = new Neo4jContainer().withAdminPassword(null);
  ) {
    neo4jContainer.start();
    try (Driver driver = getDriver(neo4jContainer);
      Session session = driver.session()
    ) {
      long one = session.run("RETURN 1", Collections.emptyMap()).next().get(0).asLong();
      assertThat(one).isEqualTo(1L);
    }
  }
}

代码示例来源：origin: testcontainers/testcontainers-java

@Test
public void shouldRunEnterprise() {
  assumeThat(Neo4jContainerTest.class.getResource(ACCEPTANCE_FILE_LOCATION)).isNotNull();
  try (
    Neo4jContainer neo4jContainer = new Neo4jContainer()
      .withEnterpriseEdition()
      .withAdminPassword("Picard123")
  ) {
    neo4jContainer.start();
    try (
      Driver driver = getDriver(neo4jContainer);
      Session session = driver.session()
    ) {
      String edition = session
        .run("CALL dbms.components() YIELD edition RETURN edition", Collections.emptyMap())
        .next().get(0).asString();
      assertThat(edition).isEqualTo("enterprise");
    }
  }
}

代码示例来源：origin: org.neo4j.driver/neo4j-java-driver

@Override
  public T apply( Record record )
  {
    return mapFunction.apply( record.get( index ) );
  }
};

代码示例来源：origin: org.neo4j.driver/neo4j-java-driver

@Override
  public T apply( Record recordAccessor )
  {
    return mapFunction.apply( recordAccessor.get( key ) );
  }
};

代码示例来源：origin: hibernate/hibernate-ogm

@SuppressWarnings("unchecked")
private <T> List<T> asList(Record embeddeds, String alias) {
  Value value = embeddeds.get( alias );
  if ( value.isNull() ) {
    return Collections.emptyList();
  }
  return (List<T>) value.asList();
}

代码示例来源：origin: hibernate/hibernate-ogm

private Relationship asRelationship(Record record, String alias) {
  Value value = record.get( alias );
  if ( value.isNull() ) {
    return null;
  }
  return value.asRelationship();
}

代码示例来源：origin: neo4j/cypher-shell

@Override
@Nonnull
public Optional set(@Nonnull String name, @Nonnull String valueString) throws CommandException {
  final BoltResult result = setParamsAndValidate(name, valueString);
  String parameterName = CypherVariablesFormatter.unescapedCypherVariable(name);
  final Object value = result.getRecords().get(0).get(parameterName).asObject();
  queryParams.put(parameterName, new ParamValue(valueString, value));
  return Optional.ofNullable(value);
}

代码示例来源：origin: hibernate/hibernate-ogm

private Relationship relationship(StatementResult result) {
  if ( result.hasNext() ) {
    return result.next().get( 0 ).asRelationship();
  }
  return null;
}

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

private int getTotalRelationships() {
    Session session = this.driver.session();
    int count = session.run("MATCH ()-[r]-() RETURN count(r) AS count").peek().get("count").asInt();
    session.close();
    return count;
//        return this.session.run("MATCH ()-[r]-() RETURN count(r) AS count").peek().get("count").asInt();
  }

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

private int getTotalXrefRelationships() {
    Session session = this.driver.session();
    int count = session.run("MATCH (n:"
        + NodeTypes.PHYSICAL_ENTITY + ")-[r:" + RelTypes.XREF + "]->(m:"
        + NodeTypes.XREF + ") RETURN count(r) AS count").peek().get("count").asInt();
    session.close();
    return count;
//        return this.session.run("MATCH (n:"
//                + NodeTypes.PHYSICAL_ENTITY + ")-[r:" + RelTypes.XREF + "]->(m:"
//                + NodeTypes.XREF + ") RETURN count(r) AS count").peek().get("count").asInt();
  }

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

private int getTotalCelLocationNodes() {
    Session session = this.driver.session();
    int count = session.run("MATCH (n:" + NodeTypes.CELLULAR_LOCATION + ") RETURN count(n) AS count")
        .peek().get("count").asInt();
    session.close();
    return count;
//        return this.session.run("MATCH (n:" + NodeTypes.CELLULAR_LOCATION + ") RETURN count(n) AS count")
//                .peek().get("count").asInt();
  }

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

private int getTotalNodes() {
    Session session = this.driver.session();
    int count = session.run("MATCH (n) RETURN count(n) AS count").peek().get("count").asInt();
    session.close();
    return count;
//        return this.session.run("MATCH (n) RETURN count(n) AS count").peek().get("count").asInt();
  }

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

private int getTotalOntologyRelationships() {
    Session session = this.driver.session();
    int count = session.run("MATCH (n)-[r:" + RelTypes.ONTOLOGY + "|" + RelTypes.CELLOC_ONTOLOGY
        + "]->(m:" + NodeTypes.ONTOLOGY + ") RETURN count(r) AS count").peek().get("count").asInt();
    session.close();
    return count;
//        return this.session.run("MATCH (n)-[r:" + RelTypes.ONTOLOGY + "|" + RelTypes.CELLOC_ONTOLOGY
//                + "]->(m:" + NodeTypes.ONTOLOGY + ") RETURN count(r) AS count").peek().get("count").asInt();
  }

代码示例来源：origin: opencypher/cypher-for-gremlin

@Test
public void single() {
  List<Map<String, Object>> results = singletonList(getRow(1));
  StatementResult statementResult = new GremlinServerStatementResult(serverInfo, statement, results.iterator(), converter);
  assertThat(statementResult.single().get(KEY1).asInt()).isEqualTo(1);
}

代码示例来源：origin: hibernate/hibernate-ogm

public Node findAssociatedEntity(Transaction tx, Object[] keyValues, String associationrole) {
  Map<String, Object> params = params( keyValues );
  String query = getFindAssociatedEntityQuery( associationrole );
  if ( query != null ) {
    StatementResult statementResult = tx.run( query, params );
    if ( statementResult.hasNext() ) {
      return statementResult.single().get( 0 ).asNode();
    }
  }
  return null;
}

代码示例来源：origin: opencypher/cypher-for-gremlin

@Test
public void simple() {
  Driver adam = GremlinDatabase.driver("//localhost:" + server.getPort());
  try (Session session = adam.session()) {
    StatementResult result = session.run("MATCH (n:person) RETURN count(n) as count");
    int count = result.single().get("count").asInt();
    assertThat(count).isEqualTo(4);
  }
}

代码示例来源：origin: h-omer/neo4j-versioner-core

@Test
  public void shouldCreateAnRNodeConnectedToTheEntity() throws Throwable {

    try (Driver driver = GraphDatabase.driver(neo4j.boltURI(), Config.build().withEncryption().toConfig()); Session session = driver.session()) {

      StatementResult result = session.run("CALL graph.versioner.init('Entity')");
      StatementResult rPath = session.run("MATCH rPath = (:R)-[:FOR]->(:Entity) RETURN rPath");

      Assertions.assertThat(result.single().get("node").asNode().id()).isEqualTo(0L);
      Assertions.assertThat(rPath)
          .hasSize(1)
          .allMatch(path -> path.get("rPath").asPath().length() == 1);
    }
  }
}

代码示例来源：origin: opencypher/cypher-for-gremlin

@Test
public void translating() {
  Config config = Config.build()
    .withTranslation(TranslatorFlavor.gremlinServer())
    .toConfig();
  Driver driver = GremlinDatabase.driver("//localhost:" + server.getPort(), config);
  try (Session session = driver.session()) {
    StatementResult result = session.run("MATCH (n:person) RETURN count(n) as count");
    int count = result.single().get("count").asInt();
    assertThat(count).isEqualTo(4);
  }
}

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