org.apache.hadoop.hive.ql.optimizer
Class SamplePruner.DefaultPPR

java.lang.Object
  org.apache.hadoop.hive.ql.optimizer.SamplePruner.DefaultPPR

All Implemented Interfaces:

NodeProcessor

Enclosing class:

SamplePruner

public static class SamplePruner.DefaultPPR
extends Object
implements NodeProcessor

DefaultPPR default processor which does nothing.

Constructor Summary

SamplePruner.DefaultPPR()

Method Summary

Object

process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs) Generic process for all ops that don't have specific implementations.

Methods inherited from class java.lang.Object

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

Constructor Detail

SamplePruner.DefaultPPR

public SamplePruner.DefaultPPR()

Method Detail

process

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

Description copied from interface: NodeProcessor

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

Specified by:

process in interface NodeProcessor

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