package storage

import (
  "fmt"

  "github.com/zsy619/gcommon"
)

//ChunkFooter 块Footer
type ChunkFooter struct {
  ChunkDataTotalSize int
}

//NewChunkFooter 创建一个ChunkFooter
func NewChunkFooter(chunkDataTotalSize int) *ChunkFooter {
  var result = new(ChunkFooter)
  result.ChunkDataTotalSize = chunkDataTotalSize
  return result
}

//ToString ChunkFooter转换为String
func (cf *ChunkFooter) ToString() string {
  return fmt.Sprintf("[ChunkDataTotalSize:%d]", cf.ChunkDataTotalSize)
}

//AsByteArray 转换成byte数组
func (nf *ChunkFooter) AsByteArray() []byte {
  //var result [chunkFooterSize]byte
  buffer := gcommon.IntToFixedLengthBytes(nf.ChunkDataTotalSize, ChunkFooterSize)
  return buffer
}

//ToString ChunkFooter转换为String
func (this *ChunkFooter) ToString() string {
  return fmt.Sprintf("[ChunkDataTotalSize:%d]", this.ChunkDataTotalSize)
}