KappaSum

java.lang.Object

org.tweetyproject.logics.cl.kappa.KappaSum

All Implemented Interfaces:: KappaTerm

public class KappaSum extends Object implements KappaTerm

This constructs represents a sum of kappa values (or terms). If it is empty its evaluated to zero.

Author:: Tim Janus

Constructor Summary

Constructors

Constructor

Description

KappaSum()
Method Summary

Modifier and Type

Method

Description

boolean

evaluate()

Tries to evaluate the kappa term, if the evaluation is successful then the next call of value returns the evaluated value.

Set<KappaTerm>

getSubTerms()

Processes all the sub-terms

int

greaterEqualThan()

String

toString()

int

value()

The neutral element is zero, that means if the sum contains no elements this method returns zero

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details
- KappaSum
  
  public KappaSum()
Method Details
- evaluate
  
  public boolean evaluate()
  
  Description copied from interface: KappaTerm
  
  Tries to evaluate the kappa term, if the evaluation is successful then the next call of value returns the evaluated value.
  
  Specified by:
  
  evaluate in interface KappaTerm
  
  Returns:
  
  True if the evaluation is sucessful, false otherwise
- value
  
  public int value()
  
  The neutral element is zero, that means if the sum contains no elements this method returns zero
  
  Specified by:
  
  value in interface KappaTerm
  
  Returns:
  
  The value of this kappa term or -1 if the kappa-term's evaluate() method returns false.
- greaterEqualThan
  
  public int greaterEqualThan()
  
  Specified by:
  
  greaterEqualThan in interface KappaTerm
  
  Returns:
  
  The minimum value of this kappa term, such that the caller knows the kappa term is greater or equal the returned value.
- toString
  
  public String toString()
  
  Overrides:
  
  toString in class Object
- getSubTerms
  
  public Set<KappaTerm> getSubTerms()
  
  Description copied from interface: KappaTerm
  
  Processes all the sub-terms
  
  Specified by:
  
  getSubTerms in interface KappaTerm
  
  Returns:
  
  A set containing all the sub-terms of the kappa term