/*
 * 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.hudi.common.model;

import org.apache.hudi.common.util.Option;

import org.apache.avro.Schema;
import org.apache.avro.generic.GenericRecord;
import org.apache.avro.generic.IndexedRecord;

import java.io.IOException;

/**
 * Default payload used for rewrite use cases where we don't change schema. We dont need to serialize/deserialize avro record in payload.
 */
public class RewriteAvroPayload implements HoodieRecordPayload<RewriteAvroPayload> {

  private GenericRecord record;
  
  public RewriteAvroPayload(GenericRecord record) {
    this.record = record;
  }

  @Override
  public RewriteAvroPayload preCombine(RewriteAvroPayload another) { 
    throw new UnsupportedOperationException("precombine is not expected for rewrite payload");
  }

  @Override
  public Option<IndexedRecord> combineAndGetUpdateValue(IndexedRecord currentValue, Schema schema) throws IOException {
    return getInsertValue(schema);
  }

  @Override
  public Option<IndexedRecord> getInsertValue(Schema schema) throws IOException {
    return Option.of(record);
  }
}
