AvroDeltaFieldNameProvider.java

/*
 * 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.compaction.mapreduce.avro;

import java.util.List;

import org.apache.avro.generic.GenericRecord;


/**
 * Provides the delta field names for {@link AvroKeyDedupReducer}.
 */
public interface AvroDeltaFieldNameProvider {
  /**
   * Return the delta fields using the given {@link GenericRecord}.
   */
  public List<String> getDeltaFieldNames(GenericRecord record);
}