net.sf.tweety.arg.lp.semantics.attack

Class Undercut

java.lang.Object

net.sf.tweety.arg.lp.semantics.attack.Undercut

All Implemented Interfaces:

AttackStrategy

public class Undercut
extends java.lang.Object
implements AttackStrategy

This notion of attack models the undercut relation. A undercuts B iff there is L in conclusion(A) and not L in assumption(B).

Author:

Sebastian Homann

Field Summary

Fields

Modifier and Type	Field and Description
private static Undercut	instance Singleton instance.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Undercut() Private constructor.

Method Summary

Modifier and Type	Method and Description
boolean	attacks(Argument a, Argument b) Returns "true" iff the first argument attacks the second argument.
static Undercut	getInstance() Returns the singleton instance of this class.
java.lang.String	toAbbreviation() Returns the abbreviated identifier of this notion of attack, i.e.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

instance

private static Undercut instance

Singleton instance.

Constructor Detail

Undercut

private Undercut()

Private constructor.

Method Detail

getInstance

public static Undercut getInstance()

Returns the singleton instance of this class.

Returns:

the singleton instance of this class.

attacks

public boolean attacks(Argument a,
                       Argument b)

Description copied from interface: AttackStrategy

Returns "true" iff the first argument attacks the second argument.

Specified by:

attacks in interface AttackStrategy

Parameters:

a - some argument

b - some argument

Returns:

"true" iff a attacks b.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toAbbreviation

public java.lang.String toAbbreviation()

Description copied from interface: AttackStrategy

Returns the abbreviated identifier of this notion of attack, i.e. "a" for attack

Specified by:

toAbbreviation in interface AttackStrategy

Returns:

a short identifier