org.eigenbase.rex
Interface RexPattern

public interface RexPattern

A RexPattern represents an expression with holes in it. The match(org.eigenbase.rex.RexNode, org.eigenbase.rex.RexAction) method tests whether a given expression matches the pattern.

Since:

May 3, 2002

Version:

$Id: //open/dev/farrago/src/org/eigenbase/rex/RexPattern.java#9 $

Author:

jhyde

Method Summary

void	match(RexNode ptree, RexAction action) Calls action for every combination of tokens for which this pattern matches.

Method Detail

match

void match(RexNode ptree,
           RexAction action)

Calls action for every combination of tokens for which this pattern matches.