Interval.java

gehe zur Dokumentation dieser Datei

package de.lathanda.eos.base.util;
 
import java.util.Comparator;
public interface Interval {
    enum Place {
        LOWER,
        BETWEEN,
        HIGHER
    }
    double getLow();
    double getHigh();
    default Place locate(double value) {
        if (value > getHigh() ) {
            return Place.HIGHER;
        } else if (value < getLow()) {
            return Place.LOWER;
        } else {
            return Place.BETWEEN;
        }
    }
    default double getCenter() {
        return (getLow() + getHigh()) / 2d; 
    }
    static class LowAscComparator<T extends Interval & Comparable<T> > implements Comparator<T> {
        @Override
        public int compare(T a, T b) {
            double aLow = a.getLow();
            double bLow = b.getLow();
            if (aLow == bLow) {
                return a.compareTo(b);
            } else {
                return Double.compare(aLow, bLow);
            }
        }       
    }
    static class LowDescComparator<T extends Interval & Comparable<T> > implements Comparator<T> {
        @Override
        public int compare(T a, T b) {
            double aLow = a.getLow();
            double bLow = b.getLow();
            if (aLow == bLow) {
                return b.compareTo(a);
            } else {
                return Double.compare(bLow, aLow);
            }
        }       
    }
    static class HighAscComparator<T extends Interval & Comparable<T> > implements Comparator<T> {
        @Override
        public int compare(T a, T b) {
            double aHigh = a.getHigh();
            double bHigh = b.getHigh();
            if (aHigh == bHigh) {
                return a.compareTo(b);
            } else {
                return Double.compare(aHigh, bHigh);
            }
        }   
    }   
    static class HighDescComparator<T extends Interval & Comparable<T> > implements Comparator<T> {
        @Override
        public int compare(T a, T b) {
            double aHigh = a.getHigh();
            double bHigh = b.getHigh();
            if (aHigh == bHigh) {
                return b.compareTo(a);
            } else {
                return Double.compare(bHigh, aHigh);
            }
        }   
    }   
}