com.meyling.principia.logic.basic
Class SubjectVariable

java.lang.Object
  |
  +--com.meyling.principia.argument.AbstractArgument
        |
        +--com.meyling.principia.argument.AbstractArgumentList
              |
              +--com.meyling.principia.logic.basic.SubjectVariable

All Implemented Interfaces:

Argument, SubjectVariableMarker

public class SubjectVariable

extends AbstractArgumentList

implements SubjectVariableMarker

Subject variable, represents a subject of the universe of discourse.

Version:

$Revision 0.00.50$

Author:

Michael Meyling

Field Summary

private CounterMarker

number the number of the subject variable

Fields inherited from class com.meyling.principia.argument.AbstractArgumentList

arguments

Constructor Summary

SubjectVariable(Argument[] arguments)
Constructs certain subject variable.

SubjectVariable(int number)
Constructs certain subject variable.

Method Summary

Argument	create(Argument[] arguments) Create a new Argument with given arguments.
int	getNumber() Get the number of the subject variable.
String	toString() Get the argument in String form.

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

copy, getArgument, getArgumentSize

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

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

Methods inherited from class java.lang.Object

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

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

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

Field Detail

number

private CounterMarker number

the number of the subject variable

Constructor Detail

SubjectVariable

public SubjectVariable(Argument[] arguments)
                throws ArgumentException

Constructs certain subject variable.

Parameters:

arguments - first argument is number of subject variable

Throws:

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

SubjectVariable

public SubjectVariable(int number)
                throws ArgumentException

Constructs certain subject variable.

Parameters:

number - number of subject variable

Throws:

ArgumentException - if Counter couldn't be created

Method Detail

getNumber

public final int getNumber()

Get the number of the subject variable.

Specified by:

getNumber in interface SubjectVariableMarker

Returns:

number of subject variable

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 AbstractArgumentList

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 AbstractArgumentList

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

Returns:

readable formula