Hierarchy For Package org.apache.hadoop.mapreduce

Package Hierarchies:

All Packages

Class Hierarchy

• java.lang.Object
  • org.apache.hadoop.mapreduce.counters.AbstractCounters<C,G> (implements java.lang.Iterable<T>, org.apache.hadoop.io.Writable)
    • org.apache.hadoop.mapreduce.Counters
  • org.apache.hadoop.mapreduce.Cluster
  • org.apache.hadoop.mapreduce.ClusterMetrics (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.mapreduce.ID (implements org.apache.hadoop.io.WritableComparable<T>)
    • org.apache.hadoop.mapred.ID
      • org.apache.hadoop.mapreduce.JobID (implements java.lang.Comparable<T>)
      • org.apache.hadoop.mapreduce.TaskAttemptID
      • org.apache.hadoop.mapreduce.TaskID
  • org.apache.hadoop.mapreduce.InputFormat<K,V>
  • org.apache.hadoop.mapreduce.InputSplit
  • org.apache.hadoop.mapreduce.task.JobContextImpl (implements org.apache.hadoop.mapreduce.JobContext)
    • org.apache.hadoop.mapreduce.Job (implements org.apache.hadoop.mapreduce.JobContext)
  • org.apache.hadoop.mapreduce.JobStatus (implements java.lang.Cloneable, org.apache.hadoop.io.Writable)
  • org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
  • org.apache.hadoop.mapreduce.MarkableIterator<VALUE>
  • org.apache.hadoop.mapreduce.OutputCommitter
  • org.apache.hadoop.mapreduce.OutputFormat<K,V>
  • org.apache.hadoop.mapreduce.Partitioner<KEY,VALUE>
  • org.apache.hadoop.mapreduce.QueueAclsInfo (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.mapreduce.QueueInfo (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.mapreduce.RecordReader<KEYIN,VALUEIN> (implements java.io.Closeable)
  • org.apache.hadoop.mapreduce.RecordWriter<K,V>
  • org.apache.hadoop.mapreduce.Reducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
  • org.apache.hadoop.mapreduce.TaskCompletionEvent (implements org.apache.hadoop.io.Writable)
  • org.apache.hadoop.mapreduce.TaskTrackerInfo (implements org.apache.hadoop.io.Writable)

Interface Hierarchy

• java.lang.Iterable<T>
  • org.apache.hadoop.mapreduce.counters.CounterGroupBase<T> (also extends org.apache.hadoop.io.Writable)
    • org.apache.hadoop.mapreduce.CounterGroup
• org.apache.hadoop.mapreduce.MRJobConfig
  • org.apache.hadoop.mapreduce.JobContext
    • org.apache.hadoop.mapreduce.TaskAttemptContext (also extends org.apache.hadoop.util.Progressable)
      • org.apache.hadoop.mapreduce.TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
        • org.apache.hadoop.mapreduce.MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
        • org.apache.hadoop.mapreduce.ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
• org.apache.hadoop.util.Progressable
  • org.apache.hadoop.mapreduce.TaskAttemptContext (also extends org.apache.hadoop.mapreduce.JobContext)
    • org.apache.hadoop.mapreduce.TaskInputOutputContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
      • org.apache.hadoop.mapreduce.MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
      • org.apache.hadoop.mapreduce.ReduceContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
• org.apache.hadoop.io.Writable
  • org.apache.hadoop.mapreduce.Counter
  • org.apache.hadoop.mapreduce.counters.CounterGroupBase<T> (also extends java.lang.Iterable<T>)
    • org.apache.hadoop.mapreduce.CounterGroup

Enum Hierarchy

• java.lang.Object
  • java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    • org.apache.hadoop.mapreduce.TaskCompletionEvent.Status
    • org.apache.hadoop.mapreduce.TaskCounter
    • org.apache.hadoop.mapreduce.JobCounter
    • org.apache.hadoop.mapreduce.TaskType
    • org.apache.hadoop.mapreduce.QueueState
    • org.apache.hadoop.mapreduce.JobPriority