source: src/main/java/negotiator/boaframework/opponentmodel/nash/IssueEvaluationInteger.java

package negotiator.boaframework.opponentmodel.nash;

import genius.core.issue.IssueInteger;
import genius.core.issue.Value;
import genius.core.issue.ValueInteger;

/**
 * This class evaluates an IssueInteger. It uses the principle of an IssueEvaluationNumerical.
 * Since the abstract version already implements a lot of the functionality, this class
 * exists mainly to work with the specific IssueInteger and ValueInteger objects.
 * 
 * @author Roland van der Linden
 *
 */
public class IssueEvaluationInteger extends AIssueEvaluationNumerical
{
        /**
         * This constructs the IssueEvaluationInteger.
         * @param issueI The issue we are evaluating.
         * @param ourNonZeroUtilityRange Our own range where the utility is not zero.
         */
        public IssueEvaluationInteger(IssueInteger issueI, Range ourNonZeroUtilityRange)
        {
                super(issueI, ourNonZeroUtilityRange);
        }

        
        // **************************************
        // Getters
        // **************************************
        
        /**
         * This method gives us the casted IssueInteger object we are evaluating.
         * @return The IssueInteger we are evaluating.
         */
        public IssueInteger getIssueInteger()
        {
                return (IssueInteger)this.issue;
        }
        
        /**
         * This method returns the actual value that resides inside the Value object.
         * Given objects should be ValueInteger objects.
         */
        @Override
        protected double getNumericalValue(Value value) 
        {
                if(!(value instanceof ValueInteger))
                        throw new IllegalArgumentException("The IssueEvaluationInteger getNumericalValue method requires a ValueInteger value. It is now a: " + value.getClass().getSimpleName());
                
                return ((ValueInteger)value).getValue(); 
        }

        /**
         * This method returns the lower bound of the range of the IssueInteger.
         */
        @Override
        public double getIssueLowerBound() 
        {
                return this.getIssueInteger().getLowerBound();
        }

        /**
         * This method returns the upper bound of the range of the IssueInteger.
         */
        @Override
        public double getIssueUpperBound() 
        {
                return this.getIssueInteger().getUpperBound();
        }
        
}