# Package cascading.flow.hadoop

- Class Summary
  Class | Description
  --- | ---
  ConfigurationSetter |
  FailOnMissingSuccessFlowListener | Class FailOnMissingSuccessFlowListener is a `FlowListener` that tests that all sources to a `Flow` have a `_SUCCESS` file before allowing the Flow to execute.
  HadoopCoGroupClosure | Class CoGroupClosure is used internally to represent co-grouping results of multiple tuple streams.
  HadoopGroupByClosure | Class GroupClosure is used internally to represent groups of tuples during grouping.

- Enum Summary
  Enum | Description
  --- | ---
  HadoopCoGroupClosure.Spill |

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