Package me.prettyprint.hector.api.ddl

Examples of me.prettyprint.hector.api.ddl.KeyspaceDefinition

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    }

    private synchronized void init() {
        System.out.println("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ PROVIDER INIT");
        cluster = HFactory.getOrCreateCluster(CassandraConstants.CASSANDRA_DEFAULT_CLUSTER_NAME, CASSANDRA_EP);
        KeyspaceDefinition keyspaceDef = cluster.describeKeyspace(KEYSPACE);
        if (keyspaceDef == null) {
            try {
                createSchema(cluster);
            } catch (Exception ignore) {
                System.out.println("Ignoring the exception when trying to create a already existing schema " + ignore.getMessage());
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        return resource.listChildren();
    }

    private void createSchema(Cluster myCluster) {
        ColumnFamilyDefinition cfDef = HFactory.createColumnFamilyDefinition(KEYSPACE, cf, ComparatorType.BYTESTYPE);
        KeyspaceDefinition newKeyspace = HFactory.createKeyspaceDefinition(
                KEYSPACE,
                ThriftKsDef.DEF_STRATEGY_CLASS,
                replicationFactor,
                Arrays.asList(cfDef));
        myCluster.addKeyspace(newKeyspace, true);
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  /**
   * Check if keyspace already exists.
   */
  public boolean keyspaceExists() {
    KeyspaceDefinition keyspaceDefinition = this.cluster.describeKeyspace(this.cassandraMapping.getKeyspaceName());
    return (keyspaceDefinition != null);
  }
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   * when the Keyspace is created. Currently consistency level is .ONE which
   * permits consistency to wait until one replica has responded.
   */
  public void checkKeyspace() {
    // "describe keyspace <keyspaceName>;" query
    KeyspaceDefinition keyspaceDefinition = this.cluster.describeKeyspace(this.cassandraMapping.getKeyspaceName());
    if (keyspaceDefinition == null) {
      List<ColumnFamilyDefinition> columnFamilyDefinitions = this.cassandraMapping.getColumnFamilyDefinitions();     

      // GORA-197
      for (ColumnFamilyDefinition cfDef : columnFamilyDefinitions) {
        cfDef.setComparatorType(ComparatorType.BYTESTYPE);
      }

      keyspaceDefinition = HFactory.createKeyspaceDefinition(this.cassandraMapping.getKeyspaceName(), "org.apache.cassandra.locator.SimpleStrategy", 1, columnFamilyDefinitions);     
      this.cluster.addKeyspace(keyspaceDefinition, true);
      // LOG.info("Keyspace '" + this.cassandraMapping.getKeyspaceName() + "' in cluster '" + this.cassandraMapping.getClusterName() + "' was created on host '" + this.cassandraMapping.getHostName() + "'");
     
      // Create a customized Consistency Level
      ConfigurableConsistencyLevel configurableConsistencyLevel = new ConfigurableConsistencyLevel();
      Map<String, HConsistencyLevel> clmap = new HashMap<String, HConsistencyLevel>();

      // Define CL.ONE for ColumnFamily "ColumnFamily"
      clmap.put("ColumnFamily", HConsistencyLevel.ONE);

      // In this we use CL.ONE for read and writes. But you can use different CLs if needed.
      configurableConsistencyLevel.setReadCfConsistencyLevels(clmap);
      configurableConsistencyLevel.setWriteCfConsistencyLevels(clmap);

      // Then let the keyspace know
      HFactory.createKeyspace("Keyspace", this.cluster, configurableConsistencyLevel);

      keyspaceDefinition = null;
    }
    else {
      List<ColumnFamilyDefinition> cfDefs = keyspaceDefinition.getCfDefs();
      if (cfDefs == null || cfDefs.size() == 0) {
        LOG.warn(keyspaceDefinition.getName() + " does not have any column family.");
      }
      else {
        for (ColumnFamilyDefinition cfDef : cfDefs) {
          ComparatorType comparatorType = cfDef.getComparatorType();
          if (! comparatorType.equals(ComparatorType.BYTESTYPE)) {
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  @Test
  public void testDescribeKeyspace() throws Exception {
    ThriftCluster cassandraCluster = new ThriftCluster("Test Cluster", cassandraHostConfigurator, user1Credentials);
    KeyspaceDefinition keyspaceDetail = cassandraCluster.describeKeyspace("Keyspace1");
    assertNotNull(keyspaceDetail);
    assertEquals(7, keyspaceDetail.getCfDefs().size());
  }
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  @Test
  public void testDescribeKeyspace() throws Exception {
    KeyspaceDefinition keyspaceDetail = cassandraCluster.describeKeyspace("Keyspace1");
    assertNotNull(keyspaceDetail);
    assertEquals(7, keyspaceDetail.getCfDefs().size());
  }
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    columnFamilyDefinition.setKeyspaceName("DynKeyspace2");
    columnFamilyDefinition.setName("DynamicCF");   
   
    ColumnFamilyDefinition cfDef = new ThriftCfDef(columnFamilyDefinition);
   
    KeyspaceDefinition keyspaceDefinition =
        HFactory.createKeyspaceDefinition("DynKeyspace2", "org.apache.cassandra.locator.SimpleStrategy", 1, Arrays.asList(cfDef));
   
    cassandraCluster.addKeyspace(keyspaceDefinition);
   
    keyspaceDefinition =
      HFactory.createKeyspaceDefinition("DynKeyspace2", "org.apache.cassandra.locator.SimpleStrategy", 2, null);
   
    cassandraCluster.updateKeyspace(keyspaceDefinition);
   
    KeyspaceDefinition fromCluster = cassandraCluster.describeKeyspace("DynKeyspace2");
    assertEquals(2,fromCluster.getReplicationFactor());
    cassandraCluster.dropKeyspace("DynKeyspace2");
  }
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    columnFamilyDefinition.setKeyspaceName("DynKeyspace3");
    columnFamilyDefinition.setName("DynamicCF");   
   
    ColumnFamilyDefinition cfDef = new ThriftCfDef(columnFamilyDefinition);
   
    KeyspaceDefinition keyspaceDefinition =
        HFactory.createKeyspaceDefinition("DynKeyspace3", "org.apache.cassandra.locator.SimpleStrategy", 1, Arrays.asList(cfDef));
   
    cassandraCluster.addKeyspace(keyspaceDefinition);
   
   
    KeyspaceDefinition fromCluster = cassandraCluster.describeKeyspace("DynKeyspace3");
    cfDef = fromCluster.getCfDefs().get(0);
   
    columnFamilyDefinition = new BasicColumnFamilyDefinition(cfDef);
    BasicColumnDefinition columnDefinition = new BasicColumnDefinition();
    columnDefinition.setName(StringSerializer.get().toByteBuffer("birthdate"));
    columnDefinition.setIndexType(ColumnIndexType.KEYS);
    columnDefinition.setValidationClass(ComparatorType.LONGTYPE.getClassName());
    columnFamilyDefinition.addColumnDefinition(columnDefinition);
   
   
    cassandraCluster.updateColumnFamily(new ThriftCfDef(columnFamilyDefinition));
   
    fromCluster = cassandraCluster.describeKeyspace("DynKeyspace3");
   
    assertEquals("birthdate",StringSerializer.get().fromByteBuffer(fromCluster.getCfDefs().get(0).getColumnMetadata().get(0).getName()));
  }
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            columnFamilyDefinition.setName(Constants.COL_FAMILY_NAME);
            columnFamilyDefinition.setComparatorType(ComparatorType.LONGTYPE);

            ColumnFamilyDefinition cfDef = new ThriftCfDef(columnFamilyDefinition);

            KeyspaceDefinition keyspaceDefinition =
                    HFactory.createKeyspaceDefinition(Constants.KEYSPACE_NAME,
                                                      SimpleStrategy.class.getName(), 1, Arrays.asList(cfDef));

            cassandraCluster.addKeyspace(keyspaceDefinition);
        }
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    /**
     * Create a keyspace, add a column family and read a column's value
     */
    private static void createKeyspace() {
        KeyspaceDefinition definition = new ThriftKsDef("TestKeyspace");
        cluster.addKeyspace(definition);
        Keyspace keyspace = HFactory.createKeyspace("TestKeyspace", cluster);
        ColumnFamilyDefinition familyDefinition = new ThriftCfDef("TestKeyspace", "CFone");
        cluster.addColumnFamily(familyDefinition);
        Mutator<String> mutator = HFactory.createMutator(keyspace, new StringSerializer());
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