java/java-tests/testData/refactoring/extractMethodObject/WithPrivateMethodUsed1.java.after

import java.util.Date;

public class TestClass {

    private Date expiry;
    private Date maturity;
    private int commitment;
    private double outstanding;
    private Iterable payments;
    private Date today;
    private Date start;
    private int riskRating;


    public double calculate() {
        return new InnerClass().invoke();
    }

    private double getUsedPercentage() {
        return 1.0;
    }

    private double yearsTo( final Date endDate ) {
        Date beginDate = ( today == null ? start : today );
        return ( ( endDate.getTime() - beginDate.getTime() ));
    }

    private class InnerClass {
        public double invoke() {
            return ( outstandingRiskAmount() * duration() * riskFactor() ) + ( unusedRiskAmount() * duration() * unusedRiskFactor() );
        }

        private double outstandingRiskAmount() {
            return outstanding;
        }

        private double duration() {
            if ( expiry == null && maturity != null ) {
                return 1.0;
            } else if ( expiry != null && maturity == null ) {
                return yearsTo( expiry );
            }
            return 0.0;
        }

        private double riskFactor() {
            return 5.0;
        }

        private double unusedRiskAmount() {
            return ( commitment - outstanding );
        }

        private double unusedRiskFactor() {
            return 6.0;
        }
    }
}