/*
* 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.avro;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.rmi.server.UID;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericData;
class Utils {
// Force Avro to serialize and de-serialize the record to make sure it has a
// chance to muck with the bytes and we're working against real Avro data.
public static AvroGenericRecordWritable
serializeAndDeserializeRecord(GenericData.Record record) throws IOException {
return serializeAndDeserializeRecord(record, record.getSchema());
}
public static AvroGenericRecordWritable
serializeAndDeserializeRecord(GenericData.Record record, Schema fileSchema) throws IOException {
AvroGenericRecordWritable garw = new AvroGenericRecordWritable(record);
garw.setRecordReaderID(new UID());
// Assuming file schema is the same as record schema for testing purpose.
garw.setFileSchema(fileSchema);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
DataOutputStream daos = new DataOutputStream(baos);
garw.write(daos);
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
DataInputStream dais = new DataInputStream(bais);
AvroGenericRecordWritable garw2 = new AvroGenericRecordWritable();
garw2.setRecordReaderID(new UID());
garw2.readFields(dais);
return garw2;
}
}