view flys-backend/src/main/java/de/intevation/flys/backend/SpatialInfo.java @ 4174:eaf83d4ae6b1

Sorted gauges for reference gauge selection in historical discharge calculation based on their name. Now, Gauge implements the Java Comparable interface and takes its name into account.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 18 Oct 2012 13:12:24 +0200
parents 8df746f374cc
children 1d95391d056b
line wrap: on
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package de.intevation.flys.backend;

import java.util.List;

import org.apache.log4j.Logger;

import org.hibernate.Query;
import org.hibernate.Session;

import de.intevation.flys.model.Building;
import de.intevation.flys.model.CrossSectionTrack;
import de.intevation.flys.model.Fixpoint;
import de.intevation.flys.model.Line;
import de.intevation.flys.model.River;
import de.intevation.flys.model.RiverAxis;


public class SpatialInfo {

    private static Logger logger = Logger.getLogger(SpatialInfo.class);

    protected static String RIVERNAME = System.getProperty(
        "flys.backend.spatial.river", "Saar");

    protected Session session;


    public static void main(String[] args) {
        logger.info("Start SpatialInfo application.");

        SpatialInfo spatial = null;

        try {
            spatial = new SpatialInfo();

            River river = spatial.getRiver(RIVERNAME);
            if (river == null) {
                logger.warn("Could not find river '" + RIVERNAME + "'!");
                return;
            }

            logger.info("Spatial information of River '" + RIVERNAME + "'");
            spatial.doRiverAxisInfo(river);
            spatial.doCrossSectionTracksInfo(river);
            spatial.doLinesInfo(river);
            spatial.doBuildingsInfo(river);
            spatial.doFixpointsInfo(river);
        }
        finally {
            if (spatial != null) {
                spatial.close();
            }
        }

        logger.info("Finish SpatialInfo application.");
    }


    public SpatialInfo() {
        session = SessionFactoryProvider
            .createSessionFactory()
            .openSession();
    }


    public void close() {
        session.close();
    }


    protected River getRiver(String rivername) {
        Query query = session.createQuery(
            "from River where name =:name");
        query.setParameter("name", rivername);

        List<River> list = query.list();

        if (list == null || list.size() == 0) {
            logger.warn("No river '" + rivername + "' found!");
            return null;
        }

        return list.get(0);
    }


    protected void doRiverAxisInfo(River river) {
        List<RiverAxis> axis = RiverAxis.getRiverAxis(river.getName());
        if (axis != null && axis.size() > 0) {
            logger.debug("TODO: Compute length and boundary.");
        }
        else {
            logger.warn("River has no RiverAxis.");
        }
    }


    protected void doCrossSectionTracksInfo(River river) {
        Query query = session.createQuery(
            "from CrossSectionTrack where river =:river");
        query.setParameter("river", river);

        List<CrossSectionTrack> list = query.list();

        if (list == null || list.size() == 0) {
            logger.warn("No CrossSectionTracks for '" + river.getName() + "' found!");
            return;
        }
        else {
            logger.info("River contains " + list.size() + " CrossSectionTracks.");
        }
    }


    protected void doLinesInfo(River river) {
        Query query = session.createQuery(
            "from Line where river =:river");
        query.setParameter("river", river);

        List<Line> list = query.list();

        if (list == null || list.size() == 0) {
            logger.warn("No Lines for '" + river.getName() + "' found!");
            return;
        }
        else {
            logger.info("River contains " + list.size() + " Lines.");
        }
    }


    protected void doBuildingsInfo(River river) {
        Query query = session.createQuery(
            "from Building where river =:river");
        query.setParameter("river", river);

        List<Building> list = query.list();

        if (list == null || list.size() == 0) {
            logger.warn("No Buildings for '" + river.getName() + "' found!");
            return;
        }
        else {
            logger.info("River contains " + list.size() + " Buildings.");
        }
    }


    protected void doFixpointsInfo(River river) {
        Query query = session.createQuery(
            "from Fixpoint where river =:river");
        query.setParameter("river", river);

        List<Fixpoint> list = query.list();

        if (list == null || list.size() == 0) {
            logger.warn("No Fixpoints for '" + river.getName() + "' found!");
            return;
        }
        else {
            logger.info("River contains " + list.size() + " Fixpoints.");
        }
    }
}
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