org.eigenbase.relopt.hep
Class HepInstruction

java.lang.Object
  org.eigenbase.relopt.hep.HepInstruction

Direct Known Subclasses:

HepInstruction.BeginGroup, HepInstruction.CommonRelSubExprRules, HepInstruction.ConverterRules, HepInstruction.EndGroup, HepInstruction.MatchLimit, HepInstruction.MatchOrder, HepInstruction.RuleClass, HepInstruction.RuleCollection, HepInstruction.RuleInstance, HepInstruction.Subprogram

abstract class HepInstruction
extends Object

HepInstruction represents one instruction in a HepProgram. The actual instruction set is defined here via inner classes; if these grow too big, they should be moved out to top-level classes.

Version:

$Id: //open/dev/farrago/src/org/eigenbase/relopt/hep/HepInstruction.java#9 $

Author:

John V. Sichi

Nested Class Summary

(package private) static class	HepInstruction.BeginGroup
(package private) static class	HepInstruction.CommonRelSubExprRules
(package private) static class	HepInstruction.ConverterRules
(package private) static class	HepInstruction.EndGroup
(package private) static class	HepInstruction.MatchLimit
(package private) static class	HepInstruction.MatchOrder
(package private) static class	HepInstruction.RuleClass<R extends RelOptRule>
(package private) static class	HepInstruction.RuleCollection
(package private) static class	HepInstruction.RuleInstance
(package private) static class	HepInstruction.Subprogram

Constructor Summary

HepInstruction()

Method Summary

(package private) abstract void	execute(HepPlanner planner)
(package private) void	initialize(boolean clearCache)

Methods inherited from class java.lang.Object

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

Constructor Detail

HepInstruction

HepInstruction()

Method Detail

initialize

void initialize(boolean clearCache)

execute

abstract void execute(HepPlanner planner)