com.datastax.driver.core.Cluster.builder()方法的使用及代码示例

x33g5p2x  于2022-01-18 转载在 其他  
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本文整理了Java中com.datastax.driver.core.Cluster.builder()方法的一些代码示例，展示了Cluster.builder()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。Cluster.builder()方法的具体详情如下：
包路径：com.datastax.driver.core.Cluster
类名称：Cluster
方法名：builder

Cluster.builder介绍

[英]Creates a new Cluster.Builder instance.

This is a convenience method for new Cluster.Builder().
[中]创建一个新集群。生成器实例。
这是一种方便的新集群方法。生成器（）。

代码示例

代码示例来源：origin: kaaproject/kaa

  1. /**
  2.  *  Creates new  EndpointSpecificConfigurationMigration instance.
  3.  */
  4. public EndpointSpecificConfigurationMigration(String host, String db, String nosql) {
  5.  cluster = Cluster.builder()
  6.    .addContactPoint(host)
  7.    .build();
  8.  dbName = db;
  9.  this.nosql = nosql;
  10. }

代码示例来源：origin: kaaproject/kaa

  1. /**
  2.   * Add field use_raw_configuration_schema to endpointProfile that used to support devices using
  3.   * SDK version 0.9.0
  4.   */
  5.  public void transform() {
  6.   //mongo
  7.   MongoClient client = new MongoClient(host);
  8.   MongoDatabase database = client.getDatabase(dbName);
  9.   MongoCollection<Document> endpointProfile = database.getCollection("endpoint_profile");
  10.   endpointProfile.updateMany(new Document(), eq("$set", eq("use_raw_schema", false)));
  12.   //cassandra
  13.   Cluster cluster = Cluster.builder().addContactPoint(host).build();
  14.   Session session = cluster.connect(dbName);
  15.   session.execute("ALTER TABLE ep_profile ADD use_raw_schema boolean");
  16.   session.close();
  17.   cluster.close();
  19.  }
  20. }

代码示例来源：origin: brianfrankcooper/YCSB

  1. cluster = Cluster.builder().withCredentials(username, password)
  2.    .withPort(Integer.valueOf(port)).addContactPoints(hosts).build();
  3. } else {
  4.  cluster = Cluster.builder().withPort(Integer.valueOf(port))
  5.    .addContactPoints(hosts).build();
  6. session = cluster.connect(keyspace);

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

  1. public static Cluster getCluster(ContainerState containerState) {
  2.   return Cluster.builder()
  3.     .addContactPoint(containerState.getContainerIpAddress())
  4.     .withPort(containerState.getMappedPort(CQL_PORT))
  5.     .build();
  6. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. @Test(groups = "short")
  2. public void testMissingRpcAddressAtStartup() throws Exception {
  3.  deleteNode2RpcAddressFromNode1();
  4.  // Use only one contact point to make sure that the control connection is on node1
  5.  Cluster cluster =
  6.    register(
  7.      Cluster.builder()
  8.        .addContactPoints(getContactPoints().get(0))
  9.        .withPort(ccm().getBinaryPort())
  10.        .build());
  11.  cluster.connect();
  12.  // Since node2's RPC address is unknown on our control host, it should have been ignored
  13.  assertEquals(cluster.getMetrics().getConnectedToHosts().getValue().intValue(), 1);
  14.  assertNull(cluster.getMetadata().getHost(getContactPointsWithPorts().get(1)));
  15. }

代码示例来源：origin: prestodb/presto

  1. public TestHost(InetSocketAddress address)
  2.   {
  3.     super(address, new ConvictionPolicy.DefaultConvictionPolicy.Factory(), Cluster.builder().addContactPoints("localhost").build().manager);
  4.   }
  5. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. @Test(groups = "short", expectedExceptions = AuthenticationException.class)
  2. public void should_fail_to_connect_without_credentials() {
  3.  Cluster cluster =
  4.    register(
  5.      Cluster.builder()
  6.        .addContactPoints(getContactPoints())
  7.        .withPort(ccm().getBinaryPort())
  8.        .build());
  9.  cluster.connect();
  10. }

代码示例来源：origin: Netflix/conductor

  1. @Override
  2.   public Cluster get() {
  3.     String host = configuration.getHostAddress();
  4.     int port = configuration.getPort();
  6.     LOGGER.info("Connecting to cassandra cluster with host:{}, port:{}", host, port);
  8.     Cluster cluster = Cluster.builder()
  9.         .addContactPoint(host)
  10.         .withPort(port)
  11.         .build();
  13.     Metadata metadata = cluster.getMetadata();
  14.     LOGGER.info("Connected to cluster: {}", metadata.getClusterName());
  15.     metadata.getAllHosts().forEach(h -> {
  16.       LOGGER.info("Datacenter:{}, host:{}, rack: {}", h.getDatacenter(), h.getAddress(), h.getRack());
  17.     });
  18.     return cluster;
  19.   }
  20. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. @Test(groups = "short")
  2. public void should_connect_with_credentials() {
  3.  PlainTextAuthProvider authProvider = spy(new PlainTextAuthProvider("cassandra", "cassandra"));
  4.  Cluster cluster =
  5.    Cluster.builder()
  6.      .addContactPoints(getContactPoints())
  7.      .withPort(ccm().getBinaryPort())
  8.      .withAuthProvider(authProvider)
  9.      .build();
  10.  cluster.connect();
  11.  verify(authProvider, atLeastOnce())
  12.    .newAuthenticator(
  13.      findHost(cluster, 1).getSocketAddress(),
  14.      "org.apache.cassandra.auth.PasswordAuthenticator");
  15.  assertThat(cluster.getMetrics().getErrorMetrics().getAuthenticationErrors().getCount())
  16.    .isEqualTo(0);
  17. }

代码示例来源：origin: kaaproject/kaa

  1. /**
  2.  * Create a new instance of UpdateUuidsMigration.
  3.  *
  4.  * @param connection the connection to relational database
  5.  * @param options    the options for configuring NoSQL databases
  6.  */
  7. public UpdateUuidsMigration(Connection connection, Options options) {
  8.  this.connection = connection;
  9.  client = new MongoClient(options.getHost());
  10.  cluster = Cluster.builder()
  11.    .addContactPoint(options.getHost())
  12.    .build();
  13.  dbName = options.getDbName();
  14.  this.nosql = options.getNoSql();
  15. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. Cluster cluster =
  2.   register(
  3.     Cluster.builder()
  4.       .addContactPoints(getContactPoints())
  5.       .withPort(ccm().getBinaryPort())
  6.       .withCodecRegistry(codecRegistry)
  7.       .build());
  8. Session session = cluster.connect(keyspace);
  9. setUpTupleTypes(cluster);
  10. codecRegistry.register(new LocationCodec(TypeCodec.tuple(locationType)));

代码示例来源：origin: kaaproject/kaa

  1. /**
  2.  * Create entity that responsible for data migration from old tables notification to
  3.  * new ctl based ones.
  4.  *
  5.  * @param connection the connection to relational database
  6.  * @param options    the options for configuring NoSQL databases
  7.  */
  8. public CtlNotificationMigration(Connection connection, Options options) {
  9.  super(connection);
  10.  client = new MongoClient(options.getHost());
  11.  cluster = Cluster.builder()
  12.    .addContactPoint(options.getHost())
  13.    .build();
  14.  dbName = options.getDbName();
  15.  this.nosql = options.getDbName();
  16. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. Cluster cluster =
  2.   register(
  3.     Cluster.builder()
  4.       .addContactPoints(getContactPoints())
  5.       .withPort(ccm().getBinaryPort())
  6.       .withCodecRegistry(codecRegistry)
  7.       .build());
  8. Session session = cluster.connect(keyspace);
  9. setUpTupleTypes(cluster);
  10. codecRegistry.register(new LocationCodec(TypeCodec.tuple(locationType)));

代码示例来源：origin: apache/nifi

  1. private Cluster createCluster(List<InetSocketAddress> contactPoints, SSLContext sslContext,
  2.                  String username, String password) {
  3.     Cluster.Builder builder = Cluster.builder().addContactPointsWithPorts(contactPoints);
  5.     if (sslContext != null) {
  6.       JdkSSLOptions sslOptions = JdkSSLOptions.builder()
  7.           .withSSLContext(sslContext)
  8.           .build();
  9.       builder = builder.withSSL(sslOptions);
  10.     }
  12.     if (username != null && password != null) {
  13.       builder = builder.withCredentials(username, password);
  14.     }
  16.     return builder.build();
  17.   }
  18. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. @BeforeMethod(groups = "short")
  2. public void setUp() {
  3.  sCluster = ScassandraCluster.builder().withNodes(4).build();
  4.  sCluster.init();
  5.  cluster =
  6.    Cluster.builder()
  7.      .addContactPoints(sCluster.address(1).getAddress())
  8.      .withPort(sCluster.getBinaryPort())
  9.      .withLoadBalancingPolicy(lbSpy)
  10.      .withNettyOptions(nonQuietClusterCloseOptions)
  11.      .build();
  12.  session = cluster.connect();
  13.  // Reset invocations before entering test.
  14.  Mockito.reset(lbSpy);
  15. }

代码示例来源：origin: spring-projects/spring-data-examples

  1. @Override
  2. protected void before() throws Throwable {
  3.   dependency.before();
  4.   Cluster cluster = Cluster.builder().addContactPoint(getHost()).withPort(getPort())
  5.       .withNettyOptions(new NettyOptions() {
  6.         @Override
  7.         public void onClusterClose(EventLoopGroup eventLoopGroup) {
  8.           eventLoopGroup.shutdownGracefully(0, 0, TimeUnit.MILLISECONDS).syncUninterruptibly();
  9.         }
  10.       }).build();
  11.   Session session = cluster.newSession();
  12.   try {
  13.     if (requiredVersion != null) {
  14.       Version cassandraReleaseVersion = CassandraVersion.getReleaseVersion(session);
  15.       if (cassandraReleaseVersion.isLessThan(requiredVersion)) {
  16.         throw new AssumptionViolatedException(
  17.             String.format("Cassandra at %s:%s runs in Version %s but we require at least %s", getHost(), getPort(),
  18.                 cassandraReleaseVersion, requiredVersion));
  19.       }
  20.     }
  21.     session.execute(String.format("CREATE KEYSPACE IF NOT EXISTS %s \n"
  22.         + "WITH REPLICATION = { 'class' : 'SimpleStrategy', 'replication_factor' : 1 };", keyspaceName));
  23.   } finally {
  24.     session.close();
  25.     cluster.close();
  26.   }
  27. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. /**
  2.   * Verifies that the driver can connect to 3.10 with the following combination of options: Version
  3.   * UNSET Flag UNSET Expected version: V4
  4.   *
  5.   * @jira_ticket JAVA-1248
  6.   */
  7.  @Test(groups = "short")
  8.  public void
  9.    should_connect_after_renegotiation_when_no_version_explicitly_required_and_flag_not_set()
  10.      throws Exception {
  11.   // Note: when the driver's ProtocolVersion.NEWEST_SUPPORTED will be incremented to V6 or higher
  12.   // the renegotiation will start downgrading the version from V6 to V4 instead of V5 to V4,
  13.   // but the test should remain valid since it's executed against 3.10 exclusively
  14.   Cluster cluster =
  15.     Cluster.builder()
  16.       .addContactPoints(getContactPoints())
  17.       .withPort(ccm().getBinaryPort())
  18.       .build();
  19.   cluster.connect();
  20.   assertThat(cluster.getConfiguration().getProtocolOptions().getProtocolVersion()).isEqualTo(V4);
  21.  }
  22. }

代码示例来源：origin: apache/nifi

  1. /**
  2.  * Uses a Cluster.Builder to create a Cassandra cluster reference using the given parameters
  3.  *
  4.  * @param contactPoints The contact points (hostname:port list of Cassandra nodes)
  5.  * @param sslContext    The SSL context (used for secure connections)
  6.  * @param username      The username for connection authentication
  7.  * @param password      The password for connection authentication
  8.  * @return A reference to the Cluster object associated with the given Cassandra configuration
  9.  */
  10. protected Cluster createCluster(List<InetSocketAddress> contactPoints, SSLContext sslContext,
  11.                 String username, String password) {
  12.   Cluster.Builder builder = Cluster.builder().addContactPointsWithPorts(contactPoints);
  13.   if (sslContext != null) {
  14.     JdkSSLOptions sslOptions = JdkSSLOptions.builder()
  15.         .withSSLContext(sslContext)
  16.         .build();
  17.     builder = builder.withSSL(sslOptions);
  18.   }
  19.   if (username != null && password != null) {
  20.     builder = builder.withCredentials(username, password);
  21.   }
  22.   return builder.build();
  23. }

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

  1. Cluster cluster =
  2.   register(
  3.     Cluster.builder()
  4.       .addContactPoints(getContactPoints())
  5.       .withPort(ccm().getBinaryPort())
  6.       .withCredentials("bogus", "bogus")
  7.       .build());
  8.  cluster.connect();
  9.  fail("Should throw AuthenticationException when attempting to connect");
  10. } catch (AuthenticationException e) {
  11.  try {
  12.   cluster.connect();
  13.   fail("Should throw IllegalStateException when attempting to connect again.");
  14.  } catch (IllegalStateException e1) {

代码示例来源：origin: prestodb/presto

  1. requireNonNull(extraColumnMetadataCodec, "extraColumnMetadataCodec is null");
  2. Cluster.Builder clusterBuilder = Cluster.builder()
  3.     .withProtocolVersion(config.getProtocolVersion());
  4. clusterBuilder.withPort(config.getNativeProtocolPort());
  5. clusterBuilder.withReconnectionPolicy(new ExponentialReconnectionPolicy(500, 10000));
  6. clusterBuilder.withRetryPolicy(config.getRetryPolicy().getPolicy());
  7.     new ReopeningCluster(() -> {
  8.       contactPoints.forEach(clusterBuilder::addContactPoint);
  9.       return clusterBuilder.build();
  10.     }),
  11.     config.getNoHostAvailableRetryTimeout());

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