/*
 * 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.serialization;

import org.apache.hudi.common.model.FileSlice;
import org.apache.hudi.common.table.timeline.dto.FileSliceDTO;
import org.apache.hudi.common.util.SerializationUtils;

import java.io.IOException;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Serializes list of {@link FileSlice}.
 */
public class HoodieFileSliceSerializer implements CustomSerializer<List<FileSlice>> {

  @Override
  public byte[] serialize(List<FileSlice> input) throws IOException {
    List<FileSliceDTO> fileSliceDTOs = input.stream().map(FileSliceDTO::fromFileSlice).collect(Collectors.toList());
    return SerializationUtils.serialize(fileSliceDTOs);
  }

  @Override
  public List<FileSlice> deserialize(byte[] bytes) {
    List<FileSliceDTO> fileSliceDTOs = SerializationUtils.deserialize(bytes);
    return fileSliceDTOs.stream().map(FileSliceDTO::toFileSlice).collect(Collectors.toList());
  }
}