How to use

getSerdeFromName

method

in

org.apache.samza.storage.kv.RocksDbKeyValueReader

/**
 * Construct the <code>RocksDbKeyValueReader</code> with store's name,
 * database's path and Samza's config
 *
 * @param storeName name of the RocksDb defined in the config file
 * @param dbPath path to the db directory
 * @param config Samza's config
 */
public RocksDbKeyValueReader(String storeName, String dbPath, Config config) {
 // get the key serde and value serde from the config
 JavaStorageConfig storageConfig = new JavaStorageConfig(config);
 JavaSerializerConfig serializerConfig = new JavaSerializerConfig(config);
 keySerde = getSerdeFromName(storageConfig.getStorageKeySerde(storeName), serializerConfig);
 valueSerde = getSerdeFromName(storageConfig.getStorageMsgSerde(storeName), serializerConfig);
 // get db options
 Options options = RocksDbOptionsHelper.options(config, 1, new File(dbPath), StorageEngineFactory.StoreMode.ReadWrite);
 // open the db
 RocksDB.loadLibrary();
 try {
  db = RocksDB.openReadOnly(options, dbPath);
 } catch (RocksDBException e) {
  throw new SamzaException("can not open the rocksDb in " + dbPath, e);
 }
}

/**
 * Construct the <code>RocksDbKeyValueReader</code> with store's name,
 * database's path and Samza's config
 *
 * @param storeName name of the RocksDb defined in the config file
 * @param dbPath path to the db directory
 * @param config Samza's config
 */
public RocksDbKeyValueReader(String storeName, String dbPath, Config config) {
 // get the key serde and value serde from the config
 JavaStorageConfig storageConfig = new JavaStorageConfig(config);
 JavaSerializerConfig serializerConfig = new JavaSerializerConfig(config);
 keySerde = getSerdeFromName(storageConfig.getStorageKeySerde(storeName), serializerConfig);
 valueSerde = getSerdeFromName(storageConfig.getStorageMsgSerde(storeName), serializerConfig);
 // get db options
 Options options = RocksDbOptionsHelper.options(config, 1);
 // open the db
 RocksDB.loadLibrary();
 try {
  db = RocksDB.openReadOnly(options, dbPath);
 } catch (RocksDBException e) {
  throw new SamzaException("can not open the rocksDb in " + dbPath, e);
 }
}

/**
 * Construct the <code>RocksDbKeyValueReader</code> with store's name,
 * database's path and Samza's config
 *
 * @param storeName name of the RocksDb defined in the config file
 * @param dbPath path to the db directory
 * @param config Samza's config
 */
public RocksDbKeyValueReader(String storeName, String dbPath, Config config) {
 // get the key serde and value serde from the config
 JavaStorageConfig storageConfig = new JavaStorageConfig(config);
 JavaSerializerConfig serializerConfig = new JavaSerializerConfig(config);
 keySerde = getSerdeFromName(storageConfig.getStorageKeySerde(storeName), serializerConfig);
 valueSerde = getSerdeFromName(storageConfig.getStorageMsgSerde(storeName), serializerConfig);
 // get db options
 Options options = RocksDbOptionsHelper.options(config, 1);
 // open the db
 RocksDB.loadLibrary();
 try {
  db = RocksDB.openReadOnly(options, dbPath);
 } catch (RocksDBException e) {
  throw new SamzaException("can not open the rocksDb in " + dbPath, e);
 }
}