Package com.netflix.astyanax.ddl

Examples of com.netflix.astyanax.ddl.KeyspaceDefinition

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      //perhaps the schema is changing and was caused by someone else, let's wait until it stablizes
      waitForNodesToBeUpToDate(null, 300000);
     
      //NOW, the schema appears stable, let's get that column family and load it
      KeyspaceDefinition keySpaceMeta = keyspace.describeKeyspace();
      ColumnFamilyDefinition def = keySpaceMeta.getColumnFamily(realCf);
      if(def == null) {
        log.info("Well, we did NOT find any column family="+realCf+" to load in cassandra(from virt="+virtCf+")");
        return null;
      }
      log.info("coooool, we found a new column family="+realCf+"(virt="+virtCf+") to load so we are going to load that for you so every future operation is FAST");
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        break;
      }
    }

    if(!exists) {
      KeyspaceDefinition def = cluster.makeKeyspaceDefinition();
      def.setName(keyspaceName);
      def.setStrategyClass("org.apache.cassandra.locator.SimpleStrategy");
      Map<String, String> map = new HashMap<String, String>();
      map.put("replication_factor", "3");
      def.setStrategyOptions(map);
      cluster.addKeyspace(def);
    }
   
    context = builder.buildKeyspace(ThriftFamilyFactory.getInstance());
    context.start();
   
    keyspace = context.getEntity();

    KeyspaceDefinition keySpaceMeta = keyspace.describeKeyspace();
   
    findExistingColumnFamilies(keySpaceMeta);
    log.info("On keyspace="+keyspace.getKeyspaceName()+"Existing column families="+cfNameToCassandra.keySet()+"\nNOTE: WE WILL CREATE " +
        "new column families automatically as you save entites that have no column family");
  }
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      //perhaps the schema is changing and was caused by someone else, let's wait until it stablizes
      waitForNodesToBeUpToDate(null, 300000);
     
      //NOW, the schema appears stable, let's get that column family and load it
      KeyspaceDefinition keySpaceMeta = keyspace.describeKeyspace();
      ColumnFamilyDefinition def = keySpaceMeta.getColumnFamily(realCf);
      if(def == null) {
        log.info("Well, we did NOT find any column family="+realCf+" to load in cassandra(from virt="+virtCf+")");
        return null;
      }
      log.info("coooool, we found a new column family="+realCf+"(virt="+virtCf+") to load so we are going to load that for you so every future operation is FAST");
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  public void clearImpl() throws ConnectionException {
    Cluster cluster = columnFamilies.getCluster();
    String keyspaceName = columnFamilies.getKeyspaceName();
    log.info("Clearing keyspace="+keyspaceName+" in cassandra");
    List<KeyspaceDefinition> keyspaces = cluster.describeKeyspaces();
    KeyspaceDefinition ourDef = null;
    for(KeyspaceDefinition kDef : keyspaces) {
      if(keyspaceName.equalsIgnoreCase(kDef.getName())) {
        ourDef = kDef;
        break;
      }
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    }

    private void ensureColumnFamilyExists(String name, String comparator) throws StorageException {
        Cluster cl = clusterContext.getClient();
        try {
            KeyspaceDefinition ksDef = cl.describeKeyspace(keySpaceName);
            boolean found = false;
            if (null != ksDef) {
                for (ColumnFamilyDefinition cfDef : ksDef.getColumnFamilyList()) {
                    found |= cfDef.getName().equals(name);
                }
            }
            if (!found) {
                ColumnFamilyDefinition cfDef =
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                        .withHostSupplier(supplier)
                        .withConnectionPoolMonitor(new CountingConnectionPoolMonitor());
    }

    private void ensureKeyspaceExists(Cluster cl) throws StorageException {
        KeyspaceDefinition ksDef;

        try {
            ksDef = cl.describeKeyspace(keySpaceName);

            if (null != ksDef && ksDef.getName().equals(keySpaceName)) {
                log.debug("Found keyspace {}", keySpaceName);
                return;
            }
        } catch (ConnectionException e) {
            log.debug("Failed to describe keyspace {}", keySpaceName);
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    @Override
    public Map<String, String> getCompressionOptions(String cf) throws StorageException {
        try {
            Keyspace k = keyspaceContext.getClient();

            KeyspaceDefinition kdef = k.describeKeyspace();

            if (null == kdef) {
                throw new PermanentStorageException("Keyspace " + k.getKeyspaceName() + " is undefined");
            }

            ColumnFamilyDefinition cfdef = kdef.getColumnFamily(cf);

            if (null == cfdef) {
                throw new PermanentStorageException("Column family " + cf + " is undefined");
            }
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                .put("key_validation_class",     "UTF8Type")
                .put("comparator_type",          "UTF8Type")
                .build());
        ;
       
        KeyspaceDefinition ki = keyspaceContext.getEntity().describeKeyspace();
        System.out.println("Describe Keyspace: " + ki.getName());

    }
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            stratOptions.put("replication_factor", "3");

            try {
                LOG.info("Creating keyspace: " + TEST_KEYSPACE_NAME);

                KeyspaceDefinition ksDef = cluster.makeKeyspaceDefinition();

                ksDef.setName(TEST_KEYSPACE_NAME)
                        .setStrategyOptions(stratOptions)
                        .setStrategyClass("SimpleStrategy")
                        .addColumnFamily(
                                cluster.makeColumnFamilyDefinition()
                                        .setName(CF_DATA.getName())
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            stratOptions.put("replication_factor", "3");

            try {
                LOG.info("Creating keyspace: " + TEST_KEYSPACE_NAME);

                KeyspaceDefinition ksDef = cluster.makeKeyspaceDefinition();

                ksDef.setName(TEST_KEYSPACE_NAME)
                        .setStrategyOptions(stratOptions)
                        .setStrategyClass("SimpleStrategy")
                        .addColumnFamily(
                                cluster.makeColumnFamilyDefinition()
                                        .setName(CF_DATA.getName())
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Related Classes of com.netflix.astyanax.ddl.KeyspaceDefinition

  • com.alvazan.orm.layer9z.spi.db.cassandra.CassandraSession
  • com.alvazan.orm.layer9z.spi.db.cassandra.ColumnFamilyHelper
  • com.hmsonline.storm.cassandra.bolt.AstyanaxUtil
  • com.netflix.astyanax.cql.CqlKeyspaceImpl
  • com.netflix.astyanax.cql.test.SchemaTests
  • com.netflix.astyanax.model.ColumnFamily
  • com.netflix.astyanax.recipes.LockRecipeTest
  • com.netflix.astyanax.recipes.MiscUnitTest
  • com.netflix.astyanax.recipes.ReverseIndexQueryTest
  • com.netflix.astyanax.recipes.UniquenessConstraintTest
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