程序包org.apache.hadoop.tools.distcp2.mapred的分层结构

程序包分层结构:

• 所有程序包

类分层结构

• java.lang.Object
  • org.apache.hadoop.mapreduce.InputFormat<K,V>
    • org.apache.hadoop.tools.distcp2.mapred.UniformSizeInputFormat
  • org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
    • org.apache.hadoop.tools.distcp2.mapred.CopyMapper
  • org.apache.hadoop.mapreduce.OutputCommitter
    • org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter
      • org.apache.hadoop.tools.distcp2.mapred.CopyCommitter
  • org.apache.hadoop.mapreduce.OutputFormat<K,V>
    • org.apache.hadoop.mapreduce.lib.output.FileOutputFormat<K,V>
      • org.apache.hadoop.mapreduce.lib.output.TextOutputFormat<K,V>
        • org.apache.hadoop.tools.distcp2.mapred.CopyOutputFormat<K,V>
  • org.apache.hadoop.tools.distcp2.util.RetriableCommand
    • org.apache.hadoop.tools.distcp2.mapred.RetriableDirectoryCreateCommand
    • org.apache.hadoop.tools.distcp2.mapred.RetriableFileCopyCommand
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • java.io.IOException
        • org.apache.hadoop.tools.distcp2.mapred.RetriableFileCopyCommand.CopyReadException

枚举分层结构

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    • org.apache.hadoop.tools.distcp2.mapred.CopyMapper.Counter