Mercurial > dive4elements > river
changeset 4463:3395f8c6b030
FlowVelocityMeasurementFactory: New, do the query to fetch measured flow velocities.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 09 Nov 2012 10:25:41 +0100 |
parents | ab7cf7789daf |
children | b66285ece774 |
files | flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/FlowVelocityMeasurementFactory.java |
diffstat | 1 files changed, 63 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/FlowVelocityMeasurementFactory.java Fri Nov 09 10:25:41 2012 +0100 @@ -0,0 +1,63 @@ +package de.intevation.flys.artifacts.model.minfo; + +import gnu.trove.TDoubleArrayList; + +import java.util.Calendar; +import java.util.Date; +import java.util.List; + +import net.sf.ehcache.Cache; +import net.sf.ehcache.Element; + +import org.apache.log4j.Logger; +import org.hibernate.SQLQuery; +import org.hibernate.Session; +import org.hibernate.type.StandardBasicTypes; + +import de.intevation.flys.artifacts.cache.CacheFactory; +import de.intevation.flys.model.FlowVelocityMeasurement; +import de.intevation.flys.model.FlowVelocityMeasurementValue; +import de.intevation.flys.backend.SessionHolder; + + +public class FlowVelocityMeasurementFactory +{ + /** Private logger to use here. */ + private static Logger log = Logger.getLogger(FlowVelocityMeasurementFactory.class); + + /** Query to get description and start year, given name and a km range. */ + public static final String SQL_SELECT_ONE = + "SELECT station, datetime, w, q, v, description " + + " FROM flow_velocity_measure_values" + + " WHERE id = :id"; + + + private FlowVelocityMeasurementFactory() { + } + + + public static FlowVelocityMeasurementValue.FastFlowVelocityMeasurementValue + getFlowVelocityMeasurement(int id) + { + log.debug("FlowVelocityMeasurementFactory.getFlowVelocityMeasurementValue"); + Session session = SessionHolder.HOLDER.get(); + SQLQuery sqlQuery = null; + sqlQuery = session.createSQLQuery(SQL_SELECT_ONE); + sqlQuery.setParameter("id", id); + + List<Object []> results = sqlQuery.list(); + if (results.size() > 0) { + Object[] row = results.get(0); + if (row == null || row.length < 6) { + return null; + } + return FlowVelocityMeasurementValue.getUnmapped( + Double.parseDouble(row[0].toString()), + Double.parseDouble(row[2].toString()), + Double.valueOf(row[3].toString()), + Double.valueOf(row[4].toString()), null, row[5].toString()); + } + return null; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :