org.apache.hadoop.hive.ql.lib
Class CompositeProcessor

java.lang.Object
  org.apache.hadoop.hive.ql.lib.CompositeProcessor

All Implemented Interfaces:

NodeProcessor

public class CompositeProcessor
extends Object
implements NodeProcessor

CompositeProcessor. Holds a list of node processors to be fired by the same rule.

Constructor Summary

CompositeProcessor(NodeProcessor... nodeProcessors)

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

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

Constructor Detail

CompositeProcessor

public CompositeProcessor(NodeProcessor... nodeProcessors)

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