程序包org.apache.hadoop.mapred.lib.aggregate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.aggregate.DoubleValueSum (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.LongValueMax (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.LongValueMin (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.LongValueSum (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.StringValueMax (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.StringValueMin (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.UniqValueCount (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)
  • org.apache.hadoop.mapred.lib.aggregate.UserDefinedValueAggregatorDescriptor (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor)
  • org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorBaseDescriptor (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor)
  • org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJob
  • org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorJobBase<K1,V1> (implements org.apache.hadoop.mapred.Mapper<K1,V1,K2,V2>, org.apache.hadoop.mapred.Reducer<K2,V2,K3,V3>)
    • org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorCombiner<K1,V1>
    • org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorMapper<K1,V1>
    • org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorReducer<K1,V1>
  • org.apache.hadoop.mapred.lib.aggregate.ValueHistogram (implements org.apache.hadoop.mapred.lib.aggregate.ValueAggregator)

接口分层结构

• org.apache.hadoop.mapred.lib.aggregate.ValueAggregator
• org.apache.hadoop.mapred.lib.aggregate.ValueAggregatorDescriptor