/*
* 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.ql.io.avro;
import org.apache.avro.file.DataFileWriter;
import org.apache.avro.generic.GenericRecord;
import org.apache.hadoop.hive.ql.exec.FileSinkOperator;
import org.apache.hadoop.hive.serde2.avro.AvroGenericRecordWritable;
import org.apache.hadoop.io.Writable;
import java.io.IOException;
/**
* Write an Avro GenericRecord to an Avro data file.
*/
public class AvroGenericRecordWriter implements FileSinkOperator.RecordWriter{
final private DataFileWriter<GenericRecord> dfw;
public AvroGenericRecordWriter(DataFileWriter<GenericRecord> dfw) {
this.dfw = dfw;
}
@Override
public void write(Writable writable) throws IOException {
if(!(writable instanceof AvroGenericRecordWritable)) {
throw new IOException("Expecting instance of AvroGenericRecordWritable, " +
"but received" + writable.getClass().getCanonicalName());
}
AvroGenericRecordWritable r = (AvroGenericRecordWritable)writable;
dfw.append(r.getRecord());
}
@Override
public void close(boolean abort) throws IOException {
dfw.close();
}
}