rowContainer = new MapJoinRowContainer();
rowContainer.add(VALUE);
baos = new ByteArrayOutputStream();
out = new ObjectOutputStream(baos);
LazyBinarySerDe keySerde = new LazyBinarySerDe();
Properties keyProps = new Properties();
keyProps.put(serdeConstants.LIST_COLUMNS, "v1");
keyProps.put(serdeConstants.LIST_COLUMN_TYPES, "string");
keySerde.initialize(null, keyProps);
LazyBinarySerDe valueSerde = new LazyBinarySerDe();
Properties valueProps = new Properties();
valueProps.put(serdeConstants.LIST_COLUMNS, "v1");
valueProps.put(serdeConstants.LIST_COLUMN_TYPES, "string");
valueSerde.initialize(null, keyProps);
containerSerde = new MapJoinTableContainerSerDe(
new MapJoinObjectSerDeContext(keySerde, false),
new MapJoinObjectSerDeContext(valueSerde, false));
container = new HashMapWrapper();
}