package de.intevation.flys.artifacts.model.fixings;

import java.io.Serializable;

import java.util.List;
import java.util.ArrayList;
import java.util.Collections;

public class DeltaWTsKM
implements   Serializable
{
    public static final double EPSILON = 1e-5;

    public static class KM
    implements          Serializable, Comparable<KM>
    {
        protected double km;

        protected List<DeltaWT> deltaWTs;

        public KM() {
            deltaWTs = new ArrayList<DeltaWT>();
        }

        public KM(double km) {
            this();
            this.km = km;
        }

        public double getKm() {
            return km;
        }

        public void setKm(double km) {
            this.km = km;
        }

        public List<DeltaWT> getDeltaWTs() {
            return deltaWTs;
        }

        public void setDeltaWTs(List<DeltaWT> deltaWTs) {
            this.deltaWTs = deltaWTs;
        }

        public void add(DeltaWT deltaWT) {
            deltaWTs.add(deltaWT);
        }

        @Override
        public int compareTo(KM other) {
            double d = km - other.km;
            if (d < -EPSILON) return -1;
            if (d >  EPSILON) return +1;
            return 0;
        }
    } // class KM

    protected List<KM> kms;

    public DeltaWTsKM() {
        this(10);
    }

    public DeltaWTsKM(int capacity) {
        kms = new ArrayList<KM>(capacity);
    }

    public void add(KM km) {
        kms.add(km);
    }

    public void sort() {
        Collections.sort(kms);
    }

    public KM findByKm(double km) {
        int idx = Collections.binarySearch(kms, new KM(km));
        return idx >= 0 ? kms.get(idx) : null;
    }

    public List<KM> getKms() {
        return kms;
    }
}
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