content: /*
   * 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.celeborn.common.network.protocol;
  
  import java.util.Objects;
  
  import io.netty.buffer.ByteBuf;
  
  import org.apache.celeborn.common.protocol.PbChunkFetchRequest;
  
  /** Response to {@link PbChunkFetchRequest} when there is an error fetching the chunk. */
  public final class ChunkFetchFailure extends ResponseMessage {
    public final StreamChunkSlice streamChunkSlice;
    public final String errorString;
  
    public ChunkFetchFailure(StreamChunkSlice streamChunkSlice, String errorString) {
      this.streamChunkSlice = streamChunkSlice;
      this.errorString = errorString;
    }
  
    @Override
    public Type type() {
      return Type.CHUNK_FETCH_FAILURE;
    }
  
    @Override
    public int encodedLength() {
      return streamChunkSlice.encodedLength() + Encoders.Strings.encodedLength(errorString);
    }
  
    @Override
    public void encode(ByteBuf buf) {
      streamChunkSlice.encode(buf);
      Encoders.Strings.encode(buf, errorString);
    }
  
    public static ChunkFetchFailure decode(ByteBuf buf) {
      StreamChunkSlice streamChunkSlice = StreamChunkSlice.decode(buf);
      String errorString = Encoders.Strings.decode(buf);
      return new ChunkFetchFailure(streamChunkSlice, errorString);
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(streamChunkSlice, errorString);
    }
  
    @Override
    public boolean equals(Object other) {
      if (other instanceof ChunkFetchFailure) {
        ChunkFetchFailure o = (ChunkFetchFailure) other;
        return streamChunkSlice.equals(o.streamChunkSlice) && errorString.equals(o.errorString);
      }
      return false;
    }
  
    @Override
    public String toString() {
      return "ChunkFetchFailure[streamChunkId="
          + streamChunkSlice
          + ",errorString="
          + errorString
          + "]";
    }
  }
  