/*
 * 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.gobblin;

import org.apache.avro.Schema;
import org.apache.avro.generic.GenericRecord;
import org.apache.gobblin.configuration.WorkUnitState;
import org.apache.gobblin.converter.Converter;
import org.apache.gobblin.converter.DataConversionException;
import org.apache.gobblin.converter.SchemaConversionException;
import org.apache.gobblin.converter.SingleRecordIterable;


/**
 * Test converter which throws DataConversionException while converting first record
 */
public class TestAvroConverter extends Converter<Schema, Schema, GenericRecord, GenericRecord> {
  private long recordCount = 0;

  @Override
  public Schema convertSchema(Schema inputSchema, WorkUnitState workUnit)
      throws SchemaConversionException {
    return inputSchema;
  }

  @Override
  public Iterable<GenericRecord> convertRecord(Schema outputSchema, GenericRecord inputRecord, WorkUnitState workUnit)
      throws DataConversionException {
    recordCount++;
    if (recordCount == 1) {
      throw new DataConversionException("Unable to convert record");
    }
    return new SingleRecordIterable<GenericRecord>(inputRecord);
  }
}
