程序包org.apache.hadoop.mapred.lib.db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.mapred.lib.db.DBConfiguration
  • org.apache.hadoop.mapred.lib.db.DBInputFormat<T> (implements org.apache.hadoop.mapred.InputFormat<K,V>, org.apache.hadoop.mapred.JobConfigurable)
  • org.apache.hadoop.mapred.lib.db.DBInputFormat.DBInputSplit (implements org.apache.hadoop.mapred.InputSplit)
  • org.apache.hadoop.mapred.lib.db.DBInputFormat.DBRecordReader (implements org.apache.hadoop.mapred.RecordReader<K,V>)
  • org.apache.hadoop.mapred.lib.db.DBInputFormat.NullDBWritable (implements org.apache.hadoop.mapred.lib.db.DBWritable, org.apache.hadoop.io.Writable)
  • org.apache.hadoop.mapred.lib.db.DBOutputFormat<K,V> (implements org.apache.hadoop.mapred.OutputFormat<K,V>)
  • org.apache.hadoop.mapred.lib.db.DBOutputFormat.DBRecordWriter (implements org.apache.hadoop.mapred.RecordWriter<K,V>)

接口分层结构

• org.apache.hadoop.mapred.lib.db.DBWritable