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

package negotiator.boaframework.opponentmodel.nash;

import genius.core.issue.IssueReal;
import genius.core.issue.Value;
import genius.core.issue.ValueReal;

/**
 * This class evaluates an IssueReal. 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 IssueReal and ValueReal objects.
 * 
 * @author Roland van der Linden
 *
 */
public class IssueEvaluationReal extends AIssueEvaluationNumerical
{
        /**
         * This constructs the issueEvaluationReal.
         * @param issueR
         * @param ourNonZeroUtilityRange
         */
        public IssueEvaluationReal(IssueReal issueR, Range ourNonZeroUtilityRange) 
        {
                super(issueR, ourNonZeroUtilityRange);
        }

        
        // **************************************
        // Getters
        // **************************************
        
        /**
         * This method gives us the casted IssueReal object we are evaluating.
         * @return The IssueReal we are evaluating.
         */
        public IssueReal getIssueReal()
        {
                return (IssueReal)this.issue;
        }
        
        /**
         * This returns the actual numerical value that resides inside the Value object.
         * Object must be a ValueReal.
         */
        @Override
        protected double getNumericalValue(Value value) 
        {
                if(!(value instanceof ValueReal))
                        throw new IllegalArgumentException("The IssueEvaluationReal getNumericalValue method requires a ValueReal value. It is now a: " + value.getClass().getSimpleName());
                
                return ((ValueReal)value).getValue(); 
        }

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

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