view artifacts/src/main/java/org/dive4elements/river/artifacts/model/MiddleBedHeightData.java @ 7471:fff862f4ef76

Experimental caching of datacage recommendations. The respective hook is called a lot and running the datacage over and over again when loading data can be expensive. So the generated recommendations are cached for some time. Hopefully this improves the overall speed of loading data from the datacage.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 30 Oct 2013 15:26:21 +0100
parents af13ceeba52a
children 4508501cdde7
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.artifacts.model;

import java.io.Serializable;

import java.util.ArrayList;

import gnu.trove.TDoubleArrayList;

import org.dive4elements.artifacts.CallContext;

import org.dive4elements.river.artifacts.resources.Resources;

import org.apache.log4j.Logger;


public class MiddleBedHeightData implements Serializable {

    /** Very private logger. */
    private static final Logger logger = Logger.getLogger(MiddleBedHeightData.class);

    public static final String I18N_SINGLE_NAME = "facet.bedheight_middle.single";
    public static final String I18N_EPOCH_NAME  = "facet.bedheight_middle.epoch";

    private int    startYear;
    private int    endYear;
    private String evaluatedBy;
    private String description;

    private TDoubleArrayList km;
    private TDoubleArrayList middleHeight;
    private TDoubleArrayList uncertainty;
    private TDoubleArrayList soundingWidth;
    private TDoubleArrayList dataGap;
    private TDoubleArrayList width;
    private ArrayList empty;


    protected MiddleBedHeightData(int start, int end, String eval, String desc) {
        this.startYear   = start;
        this.endYear     = end;
        this.evaluatedBy = eval;
        this.description = desc;

        this.km            = new TDoubleArrayList();
        this.middleHeight  = new TDoubleArrayList();
        this.uncertainty   = new TDoubleArrayList();
        this.soundingWidth = new TDoubleArrayList();
        this.dataGap       = new TDoubleArrayList();
        this.width         = new TDoubleArrayList();
        this.empty         = new ArrayList();
    }

    public void addAll(double station, double height, double uncertainty,
        double soundingWidth, double dataGap, double width, boolean isEmpty) {
        addKM(station);
        addMiddleHeight(height);
        addUncertainty(uncertainty);
        addSoundingWidth(soundingWidth);
        addDataGap(dataGap);
        addWidth(width);
        addIsEmpty(isEmpty);
    }


    public int getStartYear() {
        return startYear;
    }

    public int getEndYear() {
        return endYear;
    }

    public String getEvaluatedBy() {
        return evaluatedBy;
    }

    public String getDescription() {
        return description;
    }


    protected void addKM(double km) {
        this.km.add(km);
    }

    public double getKM(int idx) {
        return km.get(idx);
    }

    protected void addMiddleHeight(double middleHeight) {
        this.middleHeight.add(middleHeight);
    }

    public double getMiddleHeight(int idx) {
        return middleHeight.get(idx);
    }

    protected void addUncertainty(double uncertainty) {
        this.uncertainty.add(uncertainty);
    }

    public double getUncertainty(int idx) {
        return uncertainty.get(idx);
    }

    protected void addSoundingWidth(double soundingWidth) {
        this.soundingWidth.add(soundingWidth);
    }

    public double getSoundingWidth(int idx) {
        return soundingWidth.get(idx);
    }

    protected void addDataGap(double gap) {
        this.dataGap.add(gap);
    }

    public double getDataGap(int idx) {
        return dataGap.get(idx);
    }

    protected void addIsEmpty(boolean empty) {
        this.empty.add(empty);
    }

    public boolean isEmpty(int idx) {
        return (Boolean) empty.get(idx);
    }


    protected void addWidth(double width) {
        this.width.add(width);
    }

    public double getWidth(int idx) {
        return width.get(idx);
    }

    public int size() {
        return km.size();
    }


    /**
     * Get the points, ready to be drawn
     * @return [[km1, km2,...],[height1,height2,...]]
     */
    public double[][] getMiddleHeightsPoints() {
        double[][] points = new double[2][size()];

        for (int i = 0, n = size(); i < n; i++) {
            if (isEmpty(i)) {
                points[0][i] = getKM(i);
                points[1][i] = Double.NaN;
            }
            else {
                points[0][i] = getKM(i);
                points[1][i] = getMiddleHeight(i);
            }
        }

        return points;
    }


    public String getSoundingName(CallContext context) {
        if (getStartYear() == getEndYear()) {
            return Resources.getMsg(
                context.getMeta(),
                I18N_SINGLE_NAME,
                I18N_SINGLE_NAME,
                new Object[] { getStartYear() }
            );
        }
        else {
            return Resources.getMsg(
                context.getMeta(),
                I18N_EPOCH_NAME,
                I18N_EPOCH_NAME,
                new Object[] { getStartYear(), getEndYear() }
            );
        }
    }
}
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