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 static org.apache.celeborn.common.network.protocol.Message.Type.OPEN_STREAM_WITH_CREDIT;
  
  import java.nio.charset.StandardCharsets;
  
  import io.netty.buffer.ByteBuf;
  
  /** Buffer stream used in Map partition scenario. */
  @Deprecated
  public final class OpenStreamWithCredit extends RequestMessage {
    public final byte[] shuffleKey;
    public final byte[] fileName;
    public final int startIndex;
    public final int endIndex;
    public final int initialCredit;
  
    public OpenStreamWithCredit(
        byte[] shuffleKey, byte[] fileName, int startIndex, int endIndex, int initialCredit) {
      this.shuffleKey = shuffleKey;
      this.fileName = fileName;
      this.startIndex = startIndex;
      this.endIndex = endIndex;
      this.initialCredit = initialCredit;
    }
  
    public OpenStreamWithCredit(
        String shuffleKey, String fileName, int startIndex, int endIndex, int initialCredit) {
      this(
          shuffleKey.getBytes(StandardCharsets.UTF_8),
          fileName.getBytes(StandardCharsets.UTF_8),
          startIndex,
          endIndex,
          initialCredit);
    }
  
    @Override
    public int encodedLength() {
      return 4 + shuffleKey.length + 4 + fileName.length + 4 + 4 + 4;
    }
  
    @Override
    public void encode(ByteBuf buf) {
      buf.writeInt(shuffleKey.length);
      buf.writeBytes(shuffleKey);
      buf.writeInt(fileName.length);
      buf.writeBytes(fileName);
      buf.writeInt(startIndex);
      buf.writeInt(endIndex);
      buf.writeInt(initialCredit);
    }
  
    @Override
    public Message.Type type() {
      return OPEN_STREAM_WITH_CREDIT;
    }
  
    public static OpenStreamWithCredit decode(ByteBuf in) {
      int shuffleKeyLength = in.readInt();
      byte[] tmpShuffleKey = new byte[shuffleKeyLength];
      in.readBytes(tmpShuffleKey);
      int fileNameLength = in.readInt();
      byte[] tmpFileName = new byte[fileNameLength];
      in.readBytes(tmpFileName);
      int startSubIndex = in.readInt();
      int endSubIndex = in.readInt();
      int initialCredit = in.readInt();
      return new OpenStreamWithCredit(
          tmpShuffleKey, tmpFileName, startSubIndex, endSubIndex, initialCredit);
    }
  }
  