view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FastCrossSectionChunk.java @ 3172:36806f6e23fb

Removed trailing whitespace. flys-artifacts/trunk@4785 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 25 Jun 2012 16:04:08 +0000
parents 5642a83420f2
children
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package de.intevation.flys.artifacts.model;

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

import java.io.Serializable;

import de.intevation.flys.model.CrossSection;

import de.intevation.flys.model.FastCrossSectionLine;

import org.apache.log4j.Logger;

public class FastCrossSectionChunk
implements   Serializable
{
    private static Logger log = Logger.getLogger(FastCrossSectionChunk.class);

    public static final String PREFIX = "FCSC:";
    public static final double KM_RANGE = 1.0;

    protected double startKm;
    protected int    crossSectionId;

    protected List<FastCrossSectionLine> crossSectionLines;

    public FastCrossSectionChunk() {
    }

    public FastCrossSectionChunk(CrossSection cs, double km) {

        crossSectionId = cs.getId();
        startKm = Math.floor(km);
        double stopKm = startKm + KM_RANGE;

        long startTime = System.currentTimeMillis();

        crossSectionLines = cs.getFastLines(startKm, stopKm);

        long stopTime = System.currentTimeMillis();

        if (log.isDebugEnabled()) {
            log.debug("Fetching cross section lines took " +
                (float)(stopTime-startTime)/1000f + " secs.");
        }
    }

    public FastCrossSectionLine getCrossSectionLine(double km) {
        FastCrossSectionLine key = new FastCrossSectionLine(km);
        int pos = Collections.binarySearch(
            crossSectionLines, key, FastCrossSectionLine.KM_CMP);
        return pos < 0 ? null : crossSectionLines.get(pos);
    }

    public static String createHashKey(CrossSection cs, double km) {
        return PREFIX + cs.getId() + ":" + (int)Math.floor(km);
    }

    public String getHashKey() {
        return PREFIX + crossSectionId + ":" + (int)Math.floor(startKm);
    }

    public double getStartKm() {
        return startKm;
    }

    public void setStartKm(double startKm) {
        this.startKm = startKm;
    }

    public double getStopKm() {
        return startKm + KM_RANGE;
    }

    public int getCrossSectionId() {
        return crossSectionId;
    }

    public void setCrossSectionId(int crossSectionId) {
        this.crossSectionId = crossSectionId;
    }
}
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