Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/transition/MinMaxTransition.java @ 185:5fc8f41669a6

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Added Calculation of the Distance in the unit km for Geodetic-Coordinates according to the Specification GT_0030.004 gnv-artifacts/trunk@229 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Fri, 16 Oct 2009 12:37:00 +0000
parents 7fb9441dd8af
children baaa1618fa27
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.transition;
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5
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6 import java.util.ArrayList;
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7 import java.util.Collection;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import de.intevation.gnv.geobackend.base.Result;
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12 import de.intevation.gnv.transition.describedata.DefaultMinMaxDescribeData;
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13 import de.intevation.gnv.transition.describedata.DescribeData;
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14
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15 /**
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16 * @author Tim Englich <tim.englich@intevation.de>
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17 *
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18 */
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19 public class MinMaxTransition extends TransitionBase {
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21 /**
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22 * the logger, used to log exceptions and additonaly information
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23 */
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24 private static Logger log = Logger.getLogger(MinMaxTransition.class);
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26 /**
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27 * Constructor
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28 */
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29 public MinMaxTransition() {
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30 super();
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31 }
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33 /**
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34 * @see de.intevation.gnv.transition.TransitionBase#purifyResult(java.util.Collection,
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35 * java.lang.String)
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36 */
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37 @Override
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38 protected void purifyResult(Collection<Result> result, String uuid) {
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39 log.debug("MinMaxTransition.purifyResult");
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40 if (this.descibeData == null) {
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41 this.descibeData = new ArrayList<Object>();
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42 }
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43 if (result != null && result.size() == 1) {
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44
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45 Object[] names = this.inputValueNames.toArray();
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46 String minName = names[names.length - 2].toString();
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47 String maxName = names[names.length - 1].toString();
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48 Result value = result.iterator().next();
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49 DescribeData describeData = new DefaultMinMaxDescribeData(minName,
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50 maxName, value.getObject("MIN"), value.getObject("MAX"));
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51 log.debug(describeData.toString());
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52 this.descibeData.add(describeData);
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53 } else {
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54 log.warn("Result cannot be handled as MinMax Resultset");
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55 }
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57 }
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59 /**
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60 * @see de.intevation.gnv.transition.Transition#validate()
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61 */
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62 public boolean validate() {
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63 // TODO: Implement ME
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64 return true;
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65 }
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67 }
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