# Package cascading.flow.hadoop.planner.rule.expression

- Class Summary
  Class | Description
  --- | ---
  AccumulatedTapOnHashJoinExpression |
  AdjacentTempToTapExpression |
  BalanceCheckpointWithTapExpression |
  BalanceGroupBlockingHashJoinExpression |
  BalanceGroupGroupExpression |
  BalanceGroupMergeGroupExpression |
  BalanceGroupNonBlockingHashJoinExpression | This rule is a compliment to GroupNonBlockingHashJoinTransformRule and is intended to prevent a HashJoin from landing in a Reducer until reduce side HashJoins are supported.
  BalanceGroupSplitExpression |
  BalanceGroupSplitJoinExpression |
  BalanceGroupSplitMergeExpression |
  BalanceGroupSplitMergeGroupExpression |
  BalanceGroupSplitTriangleExpression |
  BalanceHashJoinBlockingHashJoinExpression |
  BalanceHashJoinSameSourceExpression |
  BalanceHashJoinToHashJoinExpression |
  BalanceNonSafePipeSplitExpression | Captures a split against a non-safe Operation to prevent the operation from running in parallel mappers.
  BalanceNonSafeSplitExpression | Captures a split against a non-safe Operation to prevent the operation from running in parallel mappers
  BalanceSameSourceStreamedAccumulatedExpression |
  ConsecutiveTapsPartitionExpression |
  DualStreamedAccumulatedExpression |
  GroupTapPartitionExpression |
  StreamedAccumulatedTapsExpressionGraph |
  StreamedAccumulatedTapsHashJoinExpressionGraph |
  StreamedAccumulatedTapsHashJoinPipelinePartitionExpression |
  StreamedAccumulatedTapsPipelinePartitionExpression |
  StreamedOnlySourcesPipelinePartitionExpression |
  StreamedSelfJoinSourcesPipelinePartitionExpression |
  TapGroupTapPartitionExpression |

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