Examples with ConfigurableTProtocol org.apache.hadoop.hive.serde2.thrift.ConfigurableTProtocol used on opensource projects

Example 1 with ConfigurableTProtocol

use of org.apache.hadoop.hive.serde2.thrift.ConfigurableTProtocol in project hive by apache.

the class DynamicSerDe method initialize.

@Override
public void initialize(Configuration job, Properties tbl) throws SerDeException {
    try {
        String ddl = tbl.getProperty(serdeConstants.SERIALIZATION_DDL);
        // type_name used to be tbl.getProperty(META_TABLE_NAME).
        // However, now the value is DBName.TableName. To make it backward compatible,
        // we take the TableName part as type_name.
        //
        String tableName = tbl.getProperty(META_TABLE_NAME);
        int index = tableName.indexOf('.');
        if (index != -1) {
            type_name = tableName.substring(index + 1, tableName.length());
        } else {
            type_name = tableName;
        }
        String protoName = tbl.getProperty(serdeConstants.SERIALIZATION_FORMAT);
        if (protoName == null) {
            protoName = "org.apache.thrift.protocol.TBinaryProtocol";
        }
        // For backward compatibility
        protoName = protoName.replace("com.facebook.thrift.protocol", "org.apache.thrift.protocol");
        TProtocolFactory protFactory = TReflectionUtils.getProtocolFactoryByName(protoName);
        bos_ = new ByteStream.Output();
        bis_ = new ByteStream.Input();
        tios = new TIOStreamTransport(bis_, bos_);
        oprot_ = protFactory.getProtocol(tios);
        iprot_ = protFactory.getProtocol(tios);
        if (oprot_ instanceof org.apache.hadoop.hive.serde2.thrift.ConfigurableTProtocol) {
            ((ConfigurableTProtocol) oprot_).initialize(job, tbl);
        }
        if (iprot_ instanceof org.apache.hadoop.hive.serde2.thrift.ConfigurableTProtocol) {
            ((ConfigurableTProtocol) iprot_).initialize(job, tbl);
        }
        // in theory the include path should come from the configuration
        List<String> include_path = new ArrayList<String>();
        include_path.add(".");
        LOG.debug("ddl=" + ddl);
        parse_tree = new thrift_grammar(new ByteArrayInputStream(ddl.getBytes()), include_path, false);
        parse_tree.Start();
        bt = (DynamicSerDeStructBase) parse_tree.types.get(type_name);
        if (bt == null) {
            bt = (DynamicSerDeStructBase) parse_tree.tables.get(type_name);
        }
        if (bt == null) {
            throw new SerDeException("Could not lookup table type " + type_name + " in this ddl: " + ddl);
        }
        bt.initialize();
    } catch (Exception e) {
        System.err.println(StringUtils.stringifyException(e));
        throw new SerDeException(e);
    }
}