Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/minfo/FlowVelocityMeasurementFactory.java @ 4922:c30771dbf1bd
CollectionAttribute: Comment.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Thu, 31 Jan 2013 09:28:18 +0100 |
parents | 4e4226d99b49 |
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FlowVelocityMeasurementFactory: New, do the query to fetch measured flow velocities.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.artifacts.model.minfo; |
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2 |
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FlowVelocityMeasurementFactory: New, do the query to fetch measured flow velocities.
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3 import java.util.List; |
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4 |
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5 import org.apache.log4j.Logger; |
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6 import org.hibernate.SQLQuery; |
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7 import org.hibernate.Session; |
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8 |
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FlowVelocityMeasurementFactory: New, do the query to fetch measured flow velocities.
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9 import de.intevation.flys.model.FlowVelocityMeasurementValue; |
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10 import de.intevation.flys.backend.SessionHolder; |
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11 |
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12 |
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FlowVelocityMeasurementFactory: New, do the query to fetch measured flow velocities.
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13 public class FlowVelocityMeasurementFactory |
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14 { |
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15 /** Private logger to use here. */ |
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16 private static Logger log = Logger.getLogger(FlowVelocityMeasurementFactory.class); |
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17 |
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18 /** Query to get description and start year, given name and a km range. */ |
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19 public static final String SQL_SELECT_ONE = |
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20 "SELECT station, datetime, w, q, v, description " + |
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21 " FROM flow_velocity_measure_values" + |
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22 " WHERE id = :id"; |
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23 |
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24 |
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25 private FlowVelocityMeasurementFactory() { |
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26 } |
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27 |
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28 |
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29 public static FlowVelocityMeasurementValue.FastFlowVelocityMeasurementValue |
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30 getFlowVelocityMeasurement(int id) |
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31 { |
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32 log.debug("FlowVelocityMeasurementFactory.getFlowVelocityMeasurementValue"); |
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33 Session session = SessionHolder.HOLDER.get(); |
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34 SQLQuery sqlQuery = null; |
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35 sqlQuery = session.createSQLQuery(SQL_SELECT_ONE); |
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36 sqlQuery.setParameter("id", id); |
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37 |
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FlowVelocityMeasurementFactory: New, do the query to fetch measured flow velocities.
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38 List<Object []> results = sqlQuery.list(); |
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39 if (results.size() > 0) { |
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40 Object[] row = results.get(0); |
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41 if (row == null || row.length < 6) { |
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42 return null; |
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43 } |
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44 return FlowVelocityMeasurementValue.getUnmapped( |
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45 Double.parseDouble(row[0].toString()), |
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46 Double.parseDouble(row[2].toString()), |
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47 Double.valueOf(row[3].toString()), |
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48 Double.valueOf(row[4].toString()), null, row[5].toString()); |
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49 } |
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50 return null; |
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51 } |
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52 } |
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53 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |