view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeRange.java @ 4655:cd44d28d0fbc

Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents c44ff50f4970
children 05eeedc5b156
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package de.intevation.flys.artifacts.model;

import java.io.Serializable;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.log4j.Logger;

public class GaugeRange
extends      Range
{
    private static Logger log = Logger.getLogger(GaugeRange.class);

    private static final class Sector implements Serializable {

        int    sector;
        double value;

        Sector(int sector, double value) {
            this.sector = sector;
            this.value  = value;
        }
    } // class Sector

    protected String name;

    protected int gaugeId;

    protected Map<String, Double> mainValues;
    protected List<Sector> sectors;

    public GaugeRange() {
    }

    public GaugeRange(double start, double end, int gaugeId) {
        this(start, end, null, gaugeId);
    }

    public GaugeRange(
        double start,
        double end,
        String name,
        int    gaugeId
    ) {
        super(start, end);
        this.name = name;
        this.gaugeId = gaugeId;
        mainValues = new HashMap<String, Double>();
        sectors = new ArrayList<Sector>(3);
    }

    public void addMainValue(String label, Double value) {
        int idx = label.indexOf('(');
        if (idx >= 0) {
            label = label.substring(0, idx);
        }
        mainValues.put(label, value);
    }

    protected Double getMainValue(String label) {
        Double v = mainValues.get(label);
        if (v == null) {
            log.warn("Missing main value '"
                + label + "' for gauge " + gaugeId);
        }
        return v;
    }

    public void buildClasses() {
        Double mnq = getMainValue("MNQ");
        Double mq  = getMainValue("MQ");
        Double mhq = getMainValue("MHQ");
        Double hq5 = getMainValue("HQ5");

        Double [][] pairs = {
            { mnq,  mq },
            {  mq, mhq },
            { hq5, hq5 } };

        for (int c = 0; c < pairs.length; ++c) {
            Double [] pair = pairs[c];
            if (pair[0] != null && pair[1] != null) {
                double value = 0.5*(pair[0] + pair[1]);
                sectors.add(new Sector(c, value));
            }
        }
    }

    public double getSectorBorder(int sector) {
        for (Sector s: sectors) {
            if (s.sector == sector) {
                return s.value;
            }
        }
        return Double.NaN;
    }

    public int classify(double value) {
        for (Sector sector: sectors) {
            if (value < sector.value) {
                return sector.sector;
            }
        }
        return sectors.size();
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String toString() {
        StringBuilder sb = new StringBuilder("sectors: [");

        for (int i = 0, S = sectors.size(); i < S; ++i) {
            if (i > 0) sb.append(", ");
            Sector s = sectors.get(i);
            sb.append(s.sector).append(": ").append(s.value);;
        }

        sb.append("] mainvalues: ").append(mainValues);

        return sb.toString();
    }
}
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