content: /*
   * Copyright 2023 Aiven Oy
   *
   * Licensed 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 io.aiven.kafka.tieredstorage.fetch;
  
  import java.nio.file.Path;
  import java.util.Objects;
  
  public class ChunkKey {
      public final String segmentFileName;
      public final int chunkId;
  
      public ChunkKey(final String objectKeyPath, final int chunkId) {
          Objects.requireNonNull(objectKeyPath, "objectKeyPath cannot be null");
          // get last part of segment path + chunk id, as it's used for creating file names
          this.segmentFileName = Path.of(objectKeyPath).getFileName().toString();
          this.chunkId = chunkId;
      }
  
      @Override
      public boolean equals(final Object o) {
          if (this == o) {
              return true;
          }
          if (o == null || getClass() != o.getClass()) {
              return false;
          }
  
          final ChunkKey chunkKey = (ChunkKey) o;
  
          if (chunkId != chunkKey.chunkId) {
              return false;
          }
          return Objects.equals(segmentFileName, chunkKey.segmentFileName);
      }
  
      @Override
      public int hashCode() {
          int result = segmentFileName.hashCode();
          result = 31 * result + chunkId;
          return result;
      }
  
      @Override
      public String toString() {
          return "ChunkKey("
              + "segmentFileName=" + segmentFileName
              + ", chunkId=" + chunkId
              + ")";
      }
  
      public String path() {
          return segmentFileName + "-" + chunkId;
      }
  }
  