# Hierarchy For Package cascading.pipe

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - cascading.pipe.Pipe (implements cascading.flow.FlowElement, cascading.flow.planner.ScopedElement, java.io.Serializable, cascading.util.Traceable)
    - cascading.pipe.Boundary
    - cascading.pipe.Checkpoint
    - cascading.pipe.Operator
      - cascading.pipe.Each
      - cascading.pipe.Every
    - cascading.pipe.Splice
      - cascading.pipe.CoGroup (implements cascading.pipe.Group)
      - cascading.pipe.GroupBy (implements cascading.pipe.Group)
      - cascading.pipe.HashJoin
      - cascading.pipe.Merge
    - cascading.pipe.SubAssembly
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - cascading.CascadingException
          - cascading.pipe.OperatorException

## Interface Hierarchy

- java.io.Serializable
  - cascading.flow.FlowElement
    - cascading.pipe.Group