Package me.prettyprint.cassandra.service

Examples of me.prettyprint.cassandra.service.CassandraHost

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                }
                try {
                    List<TokenRange> tokenRanges = cluster.describeRing(keyspaceName);
                    for (TokenRange tokenRange : tokenRanges) {
                        for (String host : tokenRange.getEndpoints()) {
                            CassandraHost foundHost = new CassandraHost(host, cassandraHostConfigurator.getPort());
                            if (!existingHosts.contains(foundHost)) {
                                if (log.isDebugEnabled()) {
                                    log.debug("Found a node we don't know about {} for TokenRange {}", foundHost, tokenRange);
                                }
                                foundHosts.add(foundHost);
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    assertEquals(poolWith10Active, roundRobinBalancingPolicy.getPool(pools, null));   
  }
 
  @Test
  public void testSkipExhausted() {
    Mockito.when(poolWith5Active.getCassandraHost()).thenReturn(new CassandraHost("127.0.0.1:9160"));
    Mockito.when(poolWith7Active.getCassandraHost()).thenReturn(new CassandraHost("127.0.0.2:9161"));
    Mockito.when(poolWith10Active.getCassandraHost()).thenReturn(new CassandraHost("127.0.0.3:9162"));
   
    roundRobinBalancingPolicy = new RoundRobinBalancingPolicy();
    assertEquals(poolWith7Active, roundRobinBalancingPolicy.getPool(pools, new HashSet<CassandraHost>(Arrays.asList(new CassandraHost("127.0.0.1:9160")))));
    assertEquals(poolWith10Active, roundRobinBalancingPolicy.getPool(pools, new HashSet<CassandraHost>(Arrays.asList(new CassandraHost("127.0.0.1:9160")))));
    assertEquals(poolWith7Active, roundRobinBalancingPolicy.getPool(pools, new HashSet<CassandraHost>(Arrays.asList(new CassandraHost("127.0.0.1:9160")))));
    assertEquals(poolWith10Active, roundRobinBalancingPolicy.getPool(pools, new HashSet<CassandraHost>(Arrays.asList(new CassandraHost("127.0.0.1:9160")))));
  }
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    setupClient();
  }
 
  @Test
  public void testRemoveHost() {
    CassandraHost cassandraHost = new CassandraHost("127.0.0.1", 9170);
    connectionManager.removeCassandraHost(cassandraHost);
    assertEquals(0,connectionManager.getActivePools().size());
    assertTrue(connectionManager.addCassandraHost(cassandraHost));
    assertEquals(1,connectionManager.getActivePools().size());
  }
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    assertEquals(1,connectionManager.getActivePools().size());
  }
 
  @Test
  public void testAddCassandraHostFail() {
    CassandraHost cassandraHost = new CassandraHost("127.0.0.1", 9180);
    assertFalse(connectionManager.addCassandraHost(cassandraHost));
  }
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  // cassandraHostConfigurator = new CassandraHostConfigurator("127.0.0.1:9170");
  private CassandraHost cassandraHost;
 
  @Before
  public void doSetup() {
    cassandraHost = new CassandraHost("127.0.0.1:9170");
    hThriftClient = new HThriftClient(cassandraHost);
  }
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    assertEquals(poolWith5Active, leastActiveBalancingPolicy.getPool(pools, null));
  }
 
  @Test
  public void testSkipExhausted() {
    Mockito.when(poolWith5Active.getCassandraHost()).thenReturn(new CassandraHost("127.0.0.1:9160"));
    Mockito.when(poolWith7Active.getCassandraHost()).thenReturn(new CassandraHost("127.0.0.2:9161"));
    Mockito.when(poolWith10Active.getCassandraHost()).thenReturn(new CassandraHost("127.0.0.3:9162"));
   
    leastActiveBalancingPolicy = new LeastActiveBalancingPolicy();
    assertEquals(poolWith7Active, leastActiveBalancingPolicy.getPool(pools, new HashSet<CassandraHost>(Arrays.asList(new CassandraHost("127.0.0.1:9160")))));
  }
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  class RetryRunner implements Runnable {

    @Override
    public void run() {
      CassandraHost cassandraHost = downedHostQueue.poll();
      if ( cassandraHost == null ) {
        if ( log.isDebugEnabled() ) {
          log.debug("Retry service fired... nothing to do.");
        }
        return;
      }
     
      boolean reconnected = verifyConnection(cassandraHost);
      log.info("Downed Host retry status {} with host: {}", reconnected, cassandraHost.getName());
      if ( reconnected ) {
        //cassandraClientPool.getCluster().addHost(cassandraHost, true);
        connectionManager.addCassandraHost(cassandraHost);
      }
      if ( !reconnected && cassandraHost != null ) {
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          log.debug("Retry service fired... nothing to do.");
          return;
      } 
      Iterator<CassandraHost> iter = downedHostQueue.iterator();
      while( iter.hasNext() ) {
        CassandraHost cassandraHost = iter.next();
        if( cassandraHost == null ) {
          continue;
        }
        boolean reconnected = verifyConnection(cassandraHost);
        log.info("Downed Host retry status {} with host: {}", reconnected, cassandraHost.getName());
        if ( reconnected ) {
          connectionManager.addCassandraHost(cassandraHost);
          //we can't call iter.remove() based on return value of connectionManager.addCassandraHost, since
          //that returns false if an error occurs, or if the host already exists
          if(connectionManager.getHosts().contains(cassandraHost)) {
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      for(KeyspaceDefinition keyspaceDefinition: cluster.describeKeyspaces()) {       
        if (!keyspaceDefinition.getName().equals(Keyspace.KEYSPACE_SYSTEM)) {
          List<TokenRange> tokenRanges = cluster.describeRing(keyspaceDefinition.getName());
          for (TokenRange tokenRange : tokenRanges) {
            for (String host : tokenRange.getEndpoints()) {
              CassandraHost foundHost = new CassandraHost(host,cassandraHostConfigurator.getPort());
              if ( !existingHosts.contains(foundHost) ) {
                log.info("Found a node we don't know about {} for TokenRange {}", foundHost, tokenRange);
                foundHosts.add(foundHost);
              }
            }
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Related Classes of me.prettyprint.cassandra.service.CassandraHost

  • me.prettyprint.cassandra.connection.CassandraHostRetryService$RetryRunner
  • me.prettyprint.cassandra.connection.HConnectionManagerTest
  • me.prettyprint.cassandra.connection.HThriftClientTest
  • me.prettyprint.cassandra.connection.LeastActiveBalancingPolicyTest
  • me.prettyprint.cassandra.connection.NodeAutoDiscoverService
  • me.prettyprint.cassandra.connection.RoundRobinBalancingPolicyTest
  • java.net.InetAddress
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