org.apache.hadoop.hive.ql.optimizer.correlation

Class ReduceSinkDeDuplication.AbstractReducerReducerProc

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.correlation.ReduceSinkDeDuplication.AbstractReducerReducerProc

All Implemented Interfaces:

NodeProcessor, SemanticNodeProcessor

Enclosing class:

ReduceSinkDeDuplication

public abstract static class ReduceSinkDeDuplication.AbstractReducerReducerProc
extends Object
implements SemanticNodeProcessor

Constructor Summary

Constructors

Constructor and Description
AbstractReducerReducerProc()

Method Summary

Modifier and Type	Method and Description
Object	process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs) Generic process for all ops that don't have specific implementations.
protected abstract Object	process(ReduceSinkOperator cRS, GroupByOperator cGBY, ReduceSinkDeDuplication.ReduceSinkDeduplicateProcCtx dedupCtx)
protected abstract Object	process(ReduceSinkOperator cRS, ReduceSinkDeDuplication.ReduceSinkDeduplicateProcCtx dedupCtx)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractReducerReducerProc

public AbstractReducerReducerProc()

Method Detail

process

public Object process(Node nd,
                      Stack<Node> stack,
                      NodeProcessorCtx procCtx,
                      Object... nodeOutputs)
               throws SemanticException

Description copied from interface: SemanticNodeProcessor

Generic process for all ops that don't have specific implementations.

Specified by:

process in interface NodeProcessor

Specified by:

process in interface SemanticNodeProcessor

Parameters:

nd - operator to process

procCtx - operator processor context

nodeOutputs - A variable argument list of outputs from other nodes in the walk

Returns:

Object to be returned by the process call

Throws:

SemanticException

process

protected abstract Object process(ReduceSinkOperator cRS,
                                  ReduceSinkDeDuplication.ReduceSinkDeduplicateProcCtx dedupCtx)
                           throws SemanticException

Throws:

SemanticException

process

protected abstract Object process(ReduceSinkOperator cRS,
                                  GroupByOperator cGBY,
                                  ReduceSinkDeDuplication.ReduceSinkDeduplicateProcCtx dedupCtx)
                           throws SemanticException

Throws:

SemanticException