/*
* 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 gobblin.converter.avro;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericRecord;
import gobblin.configuration.WorkUnitState;
import gobblin.converter.Converter;
import gobblin.converter.DataConversionException;
import gobblin.converter.SchemaConversionException;
import gobblin.converter.SingleRecordIterable;
import gobblin.fork.CopyableGenericRecord;
import gobblin.fork.CopyableSchema;
/**
* Implementation of {@link Converter} that takes in an Avro {@link Schema} and {@link GenericRecord} and returns a
* {@link gobblin.fork.CopyableSchema} and a {@link gobblin.fork.CopyableGenericRecord}.
*/
public class AvroToAvroCopyableConverter extends
Converter<Schema, CopyableSchema, GenericRecord, CopyableGenericRecord> {
/**
* Returns a {@link gobblin.fork.CopyableSchema} wrapper around the given {@link Schema}.
* {@inheritDoc}
* @see gobblin.converter.Converter#convertSchema(java.lang.Object, gobblin.configuration.WorkUnitState)
*/
@Override
public CopyableSchema convertSchema(Schema inputSchema, WorkUnitState workUnit) throws SchemaConversionException {
return new CopyableSchema(inputSchema);
}
/**
* Returns a {@link gobblin.fork.CopyableGenericRecord} wrapper around the given {@link GenericRecord}.
* {@inheritDoc}
* @see gobblin.converter.Converter#convertRecord(java.lang.Object, java.lang.Object, gobblin.configuration.WorkUnitState)
*/
@Override
public Iterable<CopyableGenericRecord> convertRecord(CopyableSchema outputSchema, GenericRecord inputRecord,
WorkUnitState workUnit) throws DataConversionException {
return new SingleRecordIterable<>(new CopyableGenericRecord(inputRecord));
}
}