net.sf.saffron.rel
Class RelVisitor

java.lang.Object
  |
  +--net.sf.saffron.rel.RelVisitor

Direct Known Subclasses:

OptUtil.VariableSetVisitor, RelSubset.CheapestPlanReplacer, TableAccessMap.TableRelVisitor, VisitorRelVisitor

public abstract class RelVisitor

extends Object

A RelVisitor is a Visitor role in the Visitor pattern and visits SaffronRel objects as the role of Element. Other components in the pattern: SaffronRel.childrenAccept(RelVisitor).

Since:

22 September, 2001

Version:

$Id: //open/saffron/src/net/sf/saffron/rel/RelVisitor.java#2 $

Author:

jhyde

Constructor Summary

RelVisitor()

Method Summary

void	visit(SaffronRel p, int ordinal, SaffronRel parent)

Methods inherited from class java.lang.Object

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

Constructor Detail

RelVisitor

public RelVisitor()

Method Detail

visit

public void visit(SaffronRel p,
                  int ordinal,
                  SaffronRel parent)