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Java Metadata.getAllHosts方法代碼示例

本文整理匯總了Java中com.datastax.driver.core.Metadata.getAllHosts方法的典型用法代碼示例。如果您正苦於以下問題：Java Metadata.getAllHosts方法的具體用法？Java Metadata.getAllHosts怎麽用？Java Metadata.getAllHosts使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類com.datastax.driver.core.Metadata的用法示例。


在下文中一共展示了Metadata.getAllHosts方法的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: connect

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
private void connect(String seeds) {
  if (getWithSSL()) {
    LOGGER.info("SSL mode enabled");
 try {
      SSLOptions sslOptions = new SSLOptions(SSLContext.getDefault(), CIPHERS);
      builder = Cluster.builder().withSSL(sslOptions);
    } catch (NoSuchAlgorithmException e) {
      LOGGER.error("Unable to setup SSL Options for Cassandra");
    }
  }

  String[] contactPoints = seeds.split(",");

  for (String contactPoint : contactPoints) {
    LOGGER.info("Adding Cassandra contact point " + contactPoint);
    builder.addContactPoints(contactPoint);
  }

  cluster = builder.build();
  Metadata metadata = cluster.getMetadata();
  for (Host host : metadata.getAllHosts()) {
    LOGGER.info("Datacenter "+ host.getDatacenter() + "Host " + host.getAddress() + "Rack " + host.getRack());
    session = cluster.connect();
  }

}
開發者ID:emc-cloudfoundry，項目名稱:cassandra-cf-service-boshrelease，代碼行數:27，代碼來源:CassandraAdminService.java

示例2: execute

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
@Override
public ResultSet<CassandraDBContext> execute(Query<CassandraDBContext> query) throws QueryExecutionException {
	try (Cluster cassandraConnection = buildConnection()) {

		final Metadata metadata = cassandraConnection.getMetadata();
		System.out.printf("Connected to cluster: %s", metadata.getClusterName());
		for (final Host host : metadata.getAllHosts()) {
			System.out.printf("Datacenter: %s; Host: %s; Rack: %s", host.getDatacenter(), host.getAddress(),
					host.getRack());
		}

		try (Session session = cassandraConnection.connect()) {

			String queryToExecute = query.getQuery();
			System.out.println(queryToExecute);
			com.datastax.driver.core.ResultSet resultSet = session.execute(queryToExecute);
			printResultSet(resultSet);

			ExecutionInfo executionInfo = resultSet.getExecutionInfo();
			System.out.println(executionInfo);
		}
	}
	// There isn't any resultset for these use-case
	return new CassandraResultSet();
}
開發者ID:alokawi，項目名稱:spark-cassandra-poc，代碼行數:26，代碼來源:CassandraConnection.java

示例3: StoreConnection

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
/**
 * Constructor
 *
 * @param nodes a list of one or more Cassandra nodes to connect to. Note
 *              that not all Cassandra nodes in the cluster need be
 *              supplied; one will suffice however if that node is
 *              unavailable the connection attempt will fail, even if the
 *              others are available.
 */
public StoreConnection(List<String> nodes) {
    Cluster.Builder builder = Cluster.builder();
    for (String node : nodes) {
        builder.addContactPoint(node);
    }
    cluster = builder.build();
    Metadata metadata = cluster.getMetadata();
    System.out.printf("Connected to cluster: %s%n",
            metadata.getClusterName());
    for (Host host : metadata.getAllHosts()) {
        System.out.printf("Datacenter: %s; Host: %s; Rack: %s%n",
                host.getDatacenter(), host.getAddress(), host.getRack());
    }
    session = cluster.connect();
}
開發者ID:benhumphreys，項目名稱:jgit-cassandra，代碼行數:25，代碼來源:StoreConnection.java

示例4: logCluster

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
public void logCluster(Cluster cluster) {
	try {
		if (cluster != null && !cluster.isClosed()) {
			String clusterName = cluster.getClusterName();
			Metadata metadata = cluster.getMetadata();
			Set<Host> allHosts = metadata.getAllHosts();
			StringBuilder b = new StringBuilder("\nCassandra Cluster '" + clusterName + "' details (via native client driver) are :");
			for (Host host : allHosts) {
				b.append(ClusterProbe.prettyHost(host));
			}
			LOG.info(b.toString());
		} else {
			LOG.warn("Null or closed cluster");
		}
	} catch (Throwable t) {

	}
}
開發者ID:digitalis-io，項目名稱:cassandra-probe，代碼行數:19，代碼來源:TestCQLQueryProbe.java

示例5: testMetadata

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
@Test(groups = {"system"})
public void testMetadata() throws Exception {
    Metadata metadata = cluster.getMetadata();
    assertTrue(metadata.getClusterName().length() > 0);
    if (LOG.isDebugEnabled()) {
        LOG.debug(String.format("Connected to cluster: %s\n", metadata.getClusterName()));
    }
    assertTrue(metadata.getAllHosts().size() > 0);
    for (Host host : metadata.getAllHosts()) {
        assertTrue(host.getDatacenter().length() > 0);
        assertNotNull(host.getAddress());
        assertTrue(host.getRack().length() > 0);
        if (LOG.isDebugEnabled()) {
            LOG.debug(String.format("Datacenter: %s; Host: %s; Rack: %s\n",
                                    host.getDatacenter(),
                                    host.getAddress(),
                                    host.getRack()));
        }
    }
}
開發者ID:ezoerner，項目名稱:c-star-path-j，代碼行數:21，代碼來源:DriverTest.java

示例6: setUp

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
@Before
public void setUp() throws Exception {
	Metadata metadata = cluster.getMetadata();
	System.out.printf("Connected to cluster: %s\n", metadata.getClusterName());
	for (Host host : metadata.getAllHosts()) {
		System.out.printf("Datacenter: %s; Host: %s; Rack: %s\n", host.getDatacenter(), host.getAddress(), host.getRack());
	}
	
	session = cluster.connect();
	repository.createKeyspace();
	repository.createAoisTable();
	repository.createAclsTable();
	repository.createChilrenTable();

	SecurityContextHolder.getContext().setAuthentication(
			new UsernamePasswordAuthenticationToken(sid1, "password", Arrays.asList(new SimpleGrantedAuthority[] { new SimpleGrantedAuthority(
					ROLE_ADMIN) })));		
}
開發者ID:RigasGrigoropoulos，項目名稱:spring-security-acl-cassandra，代碼行數:19，代碼來源:CassandraAclServiceTest.java

示例7: setUp

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
@Before
public void setUp() throws Exception {
	Metadata metadata = cluster.getMetadata();
	System.out.printf("Connected to cluster: %s\n", metadata.getClusterName());
	for (Host host : metadata.getAllHosts()) {
		System.out.printf("Datacenter: %s; Host: %s; Rack: %s\n", host.getDatacenter(), host.getAddress(), host.getRack());
	}
	
	session = cluster.connect();
	service.createKeyspace();
	service.createAoisTable();
	service.createAclsTable();
	service.createChilrenTable();

	SecurityContextHolder.getContext().setAuthentication(
			new UsernamePasswordAuthenticationToken(sid1, "password", Arrays.asList(new SimpleGrantedAuthority[] { new SimpleGrantedAuthority(
					ROLE_ADMIN) })));
}
開發者ID:RigasGrigoropoulos，項目名稱:spring-security-acl-cassandra，代碼行數:19，代碼來源:CassandraAclRepositoryTest.java

示例8: setUp

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
@Before
public void setUp() throws Exception {
	Metadata metadata = cluster.getMetadata();
	System.out.printf("Connected to cluster: %s\n", metadata.getClusterName());
	for (Host host : metadata.getAllHosts()) {
		System.out.printf("Datacenter: %s; Host: %s; Rack: %s\n", host.getDatacenter(), host.getAddress(), host.getRack());
	}
	
	session = cluster.connect();
	service.createKeyspace();
	service.createAoisTable();
	service.createAclsTable();
	service.createChilrenTable();

	SecurityContextHolder.getContext().setAuthentication(
			new UsernamePasswordAuthenticationToken(sid1, "password", Arrays.asList(new SimpleGrantedAuthority[] { new SimpleGrantedAuthority(
					"ROLE_USER") })));
}
開發者ID:RigasGrigoropoulos，項目名稱:spring-security-acl-cassandra，代碼行數:19，代碼來源:ReportServiceTest.java

示例9: getCluster

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
private static Cluster getCluster(){
	if(cluster==null){
		synchronized (SessionManager.class) {
			if(cluster==null){
				PoolingOptions poolingOptions = new PoolingOptions();
				poolingOptions
				.setMaxRequestsPerConnection(HostDistance.REMOTE, max)
				.setMaxRequestsPerConnection(HostDistance.LOCAL,max)
				.setMaxQueueSize(max*10)
				.setCoreConnectionsPerHost(HostDistance.LOCAL,  1)
				.setMaxConnectionsPerHost( HostDistance.LOCAL, 2)
				.setCoreConnectionsPerHost(HostDistance.REMOTE, 1)
				.setMaxConnectionsPerHost( HostDistance.REMOTE, 2);
				SocketOptions socketOptions = new SocketOptions();
				socketOptions.setConnectTimeoutMillis(60000);
				socketOptions.setReadTimeoutMillis(60000);
				cluster = Cluster.builder().addContactPoint(url).withPoolingOptions(poolingOptions).withSocketOptions(socketOptions).build();
				Metadata metadata = cluster.getMetadata();
				Set<Host> allHosts = metadata.getAllHosts();
				for(Host host:allHosts){
					System.out.println("host:"+host.getAddress());
				}
			}
		}
	}
	return cluster;
}
開發者ID:dbiir，項目名稱:ts-benchmark，代碼行數:28，代碼來源:SessionManager.java

示例10: getAllNodePublicIps

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
public  ArrayList<String> getAllNodePublicIps(){
	Metadata metadata = cluster.getMetadata();
	ArrayList<String> nodePublicIps = new ArrayList<String>();
	for ( Host host : metadata.getAllHosts() ) {
		nodePublicIps.add(host.getBroadcastAddress().getHostAddress());
	}
	return nodePublicIps;
}
開發者ID:att，項目名稱:music，代碼行數:9，代碼來源:CassaHandle.java

示例11: connect

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
public void connect(String node) {
	cassandraCluster = Cluster.builder().addContactPoint(node).build();
	Metadata metadata = cassandraCluster.getMetadata();
	System.out.printf("Connected to cluster: %s\n", 
	metadata.getClusterName());
	for(Host host : metadata.getAllHosts()) {
		System.out.printf("Datacenter: %s; Host: %s; Rack: %s\n",
		host.getDatacenter(), host.getAddress(), host.getRack());
	}
}
開發者ID:srotya，項目名稱:marauder，代碼行數:11，代碼來源:MarauderCassandraSink.java

示例12: CassandraConn

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
public CassandraConn(String node, String keyspace, String username, String password) {
   
  PoolingOptions pools = new PoolingOptions();
     pools.setMaxSimultaneousRequestsPerConnectionThreshold(HostDistance.LOCAL, maxRequestPerConnection);
     pools.setMaxSimultaneousRequestsPerConnectionThreshold(HostDistance.LOCAL, minRequestPerConnection);
     pools.setCoreConnectionsPerHost(HostDistance.LOCAL, coreConnectionLocalPerHost);
     pools.setMaxConnectionsPerHost(HostDistance.LOCAL, maxConnectionLocalPerHost);
     pools.setCoreConnectionsPerHost(HostDistance.REMOTE, coreConnectionRemotePerHost);
     pools.setMaxConnectionsPerHost(HostDistance.REMOTE, maxConnectionRemotePerHost);

       
     cluster = Cluster.builder()
           .addContactPoint(node)
           .withPoolingOptions(pools)
.withCredentials(username, password)
              .withSocketOptions(new SocketOptions().setTcpNoDelay(true))
              .build();
     
     Metadata metadata = cluster.getMetadata();
     System.out.printf("Connected to cluster: %s\n", 
           metadata.getClusterName());
     for ( Host host : metadata.getAllHosts() ) {
        System.out.printf("Datatacenter: %s; Host: %s; Rack: %s\n",
              host.getDatacenter(), host.getAddress(), host.getRack());
     }
     session = cluster.connect(keyspace);
  }
開發者ID:bailoo，項目名稱:Agamemnon，代碼行數:28，代碼來源:CassandraConn.java

示例13: getConnectionInfo

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
private String getConnectionInfo(Metadata metadata) {
    StringBuilder sb = new StringBuilder();
    sb.append("Connected to cluster: ");
    sb.append(metadata.getClusterName());
    sb.append("\n");
    for (Host host : metadata.getAllHosts()) {
        sb.append("Data center: ");
        sb.append(host.getDatacenter());
        sb.append("; Host: ");
        sb.append(host.getAddress());
    }
    return sb.toString();
}
開發者ID:Contrast-Security-OSS，項目名稱:cassandra-migration，代碼行數:14，代碼來源:CassandraMigration.java

示例14: connect

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
public void connect() {

		cluster = new Cluster.Builder().addContactPoint(seed).build();

		// final int core_threads = 1;
		// final int max_threads = 4;
		//
		// PoolingOptions p = cluster.getConfiguration().getPoolingOptions();
		// p.setMaxConnectionsPerHost(HostDistance.LOCAL, max_threads);
		// p.setCoreConnectionsPerHost(HostDistance.LOCAL, core_threads);

		// SocketOptions so = cluster.getConfiguration().getSocketOptions();
		// so.setTcpNoDelay(true).setReuseAddress(true).setKeepAlive(true);

		Metadata metadata = cluster.getMetadata();
		System.out.printf("Connected to cluster: %s\n",
				metadata.getClusterName());

		for (Host host : metadata.getAllHosts()) {
			System.out.printf("Datacenter: %s; Host: %s; Rack: %s\n",
					host.getDatacenter(), host.getAddress(), host.getRack());
		}

		session = cluster.connect();

		// restoreTables(cluster);
	}
開發者ID:SimbaService，項目名稱:Simba，代碼行數:28，代碼來源:CassandraHandler.java

示例15: connect

import com.datastax.driver.core.Metadata; //導入方法依賴的package包/類
public void connect(String node) {
   cluster = Cluster.builder()
         .addContactPoint(node).build();
   Metadata metadata = cluster.getMetadata();
   System.out.printf("Connected to cluster: %s\n", 
         metadata.getClusterName());
   for ( Host host : metadata.getAllHosts() ) {
      System.out.printf("Datatacenter: %s; Host: %s; Rack: %s\n",
            host.getDatacenter(), host.getAddress(), host.getRack());
   }
   session=cluster.connect();
}
開發者ID:jornfranke，項目名稱:lecture-nosql，代碼行數:13，代碼來源:Tutorial.java


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