/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hive.serde2.thrift;
import java.lang.reflect.Type;
import java.util.Properties;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.serde2.ByteStreamTypedSerDe;
import org.apache.hadoop.hive.serde2.SerDeException;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorFactory;
import org.apache.hadoop.io.Writable;
import com.facebook.presto.hive.shaded.org.apache.thrift.TBase;
import com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TProtocol;
import com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TProtocolFactory;
import com.facebook.presto.hive.shaded.org.apache.thrift.transport.TIOStreamTransport;
/**
* ThriftByteStreamTypedSerDe.
*
*/
public class ThriftByteStreamTypedSerDe extends ByteStreamTypedSerDe {
protected TIOStreamTransport outTransport, inTransport;
protected TProtocol outProtocol, inProtocol;
private void init(TProtocolFactory inFactory, TProtocolFactory outFactory)
throws Exception {
outTransport = new TIOStreamTransport(bos);
inTransport = new TIOStreamTransport(bis);
outProtocol = outFactory.getProtocol(outTransport);
inProtocol = inFactory.getProtocol(inTransport);
}
@Override
public void initialize(Configuration job, Properties tbl)
throws SerDeException {
throw new SerDeException(
"ThriftByteStreamTypedSerDe is still semi-abstract");
}
public ThriftByteStreamTypedSerDe(Type objectType,
TProtocolFactory inFactory, TProtocolFactory outFactory)
throws SerDeException {
super(objectType);
try {
init(inFactory, outFactory);
} catch (Exception e) {
throw new SerDeException(e);
}
}
@Override
protected ObjectInspectorFactory.ObjectInspectorOptions getObjectInspectorOptions() {
return ObjectInspectorFactory.ObjectInspectorOptions.THRIFT;
}
@Override
public Object deserialize(Writable field) throws SerDeException {
Object obj = super.deserialize(field);
try {
((TBase) obj).read(inProtocol);
} catch (Exception e) {
throw new SerDeException(e);
}
return obj;
}
}