# Hierarchy For Package cascading.operation.aggregator

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - cascading.operation.aggregator.Average.Context
  - cascading.operation.BaseOperation<Context> (implements cascading.operation.Operation<Context>, java.io.Serializable, cascading.util.Traceable)
    - cascading.operation.aggregator.Average (implements cascading.operation.Aggregator<Context>)
    - cascading.operation.aggregator.Count (implements cascading.operation.Aggregator<Context>)
    - cascading.operation.aggregator.ExtentBase (implements cascading.operation.Aggregator<Context>)
      - cascading.operation.aggregator.First
      - cascading.operation.aggregator.Last
    - cascading.operation.aggregator.ExtremaValueBase (implements cascading.operation.Aggregator<Context>)
      - cascading.operation.aggregator.MaxValue
      - cascading.operation.aggregator.MinValue
    - cascading.operation.aggregator.Sum (implements cascading.operation.Aggregator<Context>)
  - cascading.operation.aggregator.ExtremaValueBase.Context

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