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;
  
  /**
   * Identifier for a fixed number of chunks to read from a stream created by an "open blocks"
   * message. Use PbStreamHandler instead of this.
   */
  @Deprecated
  public final class StreamHandle extends RequestMessage {
    public final long streamId;
    public final int numChunks;
  
    public StreamHandle(long streamId, int numChunks) {
      this.streamId = streamId;
      this.numChunks = numChunks;
    }
  
    @Override
    public Type type() {
      return Type.STREAM_HANDLE;
    }
  
    @Override
    public int encodedLength() {
      return 8 + 4;
    }
  
    @Override
    public void encode(ByteBuf buf) {
      buf.writeLong(streamId);
      buf.writeInt(numChunks);
    }
  
    public static StreamHandle decode(ByteBuf buf) {
      return new StreamHandle(buf.readLong(), buf.readInt());
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(streamId, numChunks);
    }
  
    @Override
    public boolean equals(Object other) {
      if (other instanceof StreamHandle) {
        StreamHandle o = (StreamHandle) other;
        return streamId == o.streamId && numChunks == o.numChunks;
      }
      return false;
    }
  
    @Override
    public String toString() {
      return "StreamHandle[streamId=" + streamId + ",numChunks=" + numChunks + "]";
    }
  }
  