org.rdtdm.rule
Class Substituter

java.lang.Object
  |
  +--org.rdtdm.rule.Substituter

public class Substituter

extends java.lang.Object

Substituter

Copyright (c) 2001 by Dirk Münstermann
All Rights Reserved

Version:

$Revision: 1.1 $ ($Date: 2001/10/09 16:56:56 $)

Changelog:

 $Log: Substituter.java,v $
 Revision 1.1  2001/10/09 16:56:56  dirk
 init

 

Author:

Dirk Münstermann

Field Summary

private Mapper	mapper
private RuleSchema	rs
private int	spacesize
private int	stepcount
private java.util.ArrayList	subs

Constructor Summary

Substituter()

Substituter(RuleSchema rs, Mapper mapper)

Method Summary

void	addSubstitution(Substitution sub)
void	addSubstitutions(java.util.Collection col)
private void	calcHSpace()
java.lang.Object	clone()
void	concatSubstitutions(java.util.Collection col)
void	createNext() Erzeugt alle m?glichen Substitutionen mit genau einer Substitution.
protected void	createNext(RuleSchema rs) Liefert ausgehend von einer Teil-Substitution alle m?glichen Voll-Substitutionen f?r ein spezielles Regelschema und ein Mapping der Datenbank zurueck.
protected void	createNext(RuleSchema rs, Substitution sub)
void	createStepByStep()
RuleSchema	getFirstRule()
Substitution	getFirstSub()
Mapper	getMapper()
RuleModels	getRules()
RuleSchema	getRuleSchema()
RuleModels	getRulesWithConstants()
int	getStepcount()
java.util.Iterator	getSubsIterator()
java.util.Collection	getSubstitutions()
void	incStepcount()
boolean	isEmpty()
int	neededSteps()
boolean	needMoreSteps()
void	printRuleSchemas()
void	remove(Substitution sub)
void	removeAllWithout(Literal lit)
void	removeAllWithout(Substitution sub)
void	setMapper(Mapper mapper)
void	setRuleSchema(RuleSchema rs)
void	setStepcount(int stepcount)
void	setSubstitutions(java.util.Collection col)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

rs

private RuleSchema rs

mapper

private Mapper mapper

subs

private java.util.ArrayList subs

spacesize

private int spacesize

stepcount

private int stepcount

Constructor Detail

Substituter

public Substituter()

Substituter

public Substituter(RuleSchema rs,
                   Mapper mapper)

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

clone

public java.lang.Object clone()

Overrides:

clone in class java.lang.Object

setRuleSchema

public void setRuleSchema(RuleSchema rs)

getRuleSchema

public RuleSchema getRuleSchema()

setMapper

public void setMapper(Mapper mapper)

getMapper

public Mapper getMapper()

setSubstitutions

public void setSubstitutions(java.util.Collection col)

addSubstitutions

public void addSubstitutions(java.util.Collection col)

addSubstitution

public void addSubstitution(Substitution sub)

getSubstitutions

public java.util.Collection getSubstitutions()

concatSubstitutions

public void concatSubstitutions(java.util.Collection col)

calcHSpace

private void calcHSpace()

removeAllWithout

public void removeAllWithout(Substitution sub)

removeAllWithout

public void removeAllWithout(Literal lit)

createNext

public void createNext()

Erzeugt alle m?glichen Substitutionen mit genau einer Substitution.

createStepByStep

public void createStepByStep()

printRuleSchemas

public void printRuleSchemas()

isEmpty

public boolean isEmpty()

remove

public void remove(Substitution sub)

getRules

public RuleModels getRules()

getRulesWithConstants

public RuleModels getRulesWithConstants()

getFirstRule

public RuleSchema getFirstRule()

getFirstSub

public Substitution getFirstSub()

getSubsIterator

public java.util.Iterator getSubsIterator()

neededSteps

public int neededSteps()

needMoreSteps

public boolean needMoreSteps()

setStepcount

public void setStepcount(int stepcount)

incStepcount

public void incStepcount()

getStepcount

public int getStepcount()

createNext

protected void createNext(RuleSchema rs)

Liefert ausgehend von einer Teil-Substitution alle m?glichen Voll-Substitutionen f?r ein spezielles Regelschema und ein Mapping der Datenbank zurueck.

Parameters:

rs - Regelschema

Returns:

Eine ArrayList von Substitutionen f?r das ?bergebene Regelschema.

createNext

protected void createNext(RuleSchema rs,
                          Substitution sub)