com.meyling.principia.logic.basic
Class BasicSubjectVariablePatternVariable

java.lang.Object
  |
  +--com.meyling.principia.argument.AbstractArgument
        |
        +--com.meyling.principia.argument.PatternVariable
              |
              +--com.meyling.principia.logic.basic.BasicSubjectVariablePatternVariable

All Implemented Interfaces:

Argument, Comparable, CounterMarker, SubjectVariableMarker

public class BasicSubjectVariablePatternVariable

extends PatternVariable

implements SubjectVariableMarker

Pattern variable, for matching purposes.

Version:

$Revision: 1.4 $

Author:

Michael Meyling

Constructor Summary

BasicSubjectVariablePatternVariable(Argument[] arguments)
Constructs a pattern variable.

BasicSubjectVariablePatternVariable(int number)
Constructs a pattern variable.

Method Summary

Argument	create(Argument[] arguments) Create a new Argument with given arguments.
PatternVariables	getPatternVariables() Get all pattern variables that occur in this argument.
boolean	isMatching(Argument argument) Is the argument matching the pattern variable?
String	toString() Get the argument in String form.

Methods inherited from class com.meyling.principia.argument.PatternVariable

compareTo, containsPatternVariables, copy, getArgument, getArgumentSize, getContent, getNumber, setContent

Methods inherited from class com.meyling.principia.argument.AbstractArgument

equals, getHighestNumber, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches

Methods inherited from class java.lang.Object

, clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.meyling.principia.logic.basic.SubjectVariableMarker

getNumber

Methods inherited from interface com.meyling.principia.argument.Argument

containsPatternVariables, copy, equals, getArgument, getArgumentSize, getReplacementParents, getSearchParents, hashCode, matches, matches, replace, replace, replace, replaceMatches

Constructor Detail

BasicSubjectVariablePatternVariable

public BasicSubjectVariablePatternVariable(Argument[] arguments)
                                    throws ArgumentException

Constructs a pattern variable.

Parameters:

arguments - first argument is number of this pattern variable

Throws:

ArgumentException - if there is not exactly one argument that is an instance of Counter

BasicSubjectVariablePatternVariable

public BasicSubjectVariablePatternVariable(int number)
                                    throws ArgumentException

Constructs a pattern variable.

Parameters:

number - of this pattern variable

Throws:

ArgumentException - if there couldn't be made a Counter out of number

Method Detail

getPatternVariables

public final PatternVariables getPatternVariables()

Description copied from interface: Argument

Get all pattern variables that occur in this argument.

Specified by:

getPatternVariables in interface Argument

Overrides:

getPatternVariables in class AbstractArgument

Following copied from interface: com.meyling.principia.argument.Argument

Returns:

all pattern variables

isMatching

public boolean isMatching(Argument argument)

Is the argument matching the pattern variable? Here true is returned if argument is an SubjectVariable.

Overrides:

isMatching in class PatternVariable

Parameters:

argument - argument to match pattern variable

Returns:

true

create

public final Argument create(Argument[] arguments)
                      throws ArgumentException

Description copied from interface: Argument

Create a new Argument with given arguments.

Specified by:

create in interface Argument

Overrides:

create in class PatternVariable

Following copied from interface: com.meyling.principia.argument.Argument

Parameters:

arguments - with these arguments the operator should be created

Returns:

new constructed Argument

Throws:

ArgumentException - if creation failed

toString

public final String toString()

Description copied from interface: Argument

Get the argument in String form.

Specified by:

toString in interface Argument

Overrides:

toString in class PatternVariable

Following copied from interface: com.meyling.principia.argument.Argument

Returns:

readable formula