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.arrow.vector.ipc.message;
  
  import com.google.flatbuffers.FlatBufferBuilder;
  import org.apache.arrow.flatbuf.Buffer;
  
  /** Metadata for a buffer written to a channel. */
  public class ArrowBuffer implements FBSerializable {
  
    private long offset;
    private long size;
  
    /**
     * Constructs a new instance.
     *
     * @param offset The offset to the start of the buffer in the channel.
     * @param size The size of the buffer.
     */
    public ArrowBuffer(long offset, long size) {
      super();
      this.offset = offset;
      this.size = size;
    }
  
    public long getOffset() {
      return offset;
    }
  
    public long getSize() {
      return size;
    }
  
    @Override
    public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + (int) (offset ^ (offset >>> 32));
      result = prime * result + (int) (size ^ (size >>> 32));
      return result;
    }
  
    @Override
    public boolean equals(Object obj) {
      if (this == obj) {
        return true;
      }
      if (obj == null) {
        return false;
      }
      if (getClass() != obj.getClass()) {
        return false;
      }
      ArrowBuffer other = (ArrowBuffer) obj;
      if (offset != other.offset) {
        return false;
      }
      if (size != other.size) {
        return false;
      }
      return true;
    }
  
    @Override
    public int writeTo(FlatBufferBuilder builder) {
      return Buffer.createBuffer(builder, offset, size);
    }
  
    @Override
    public String toString() {
      return "ArrowBuffer [offset=" + offset + ", size=" + size + "]";
    }
  }
  