Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/MainValuesService.java @ 1631:26e19cdaed5e

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Improved database session handling in services and artifacts. flys-artifacts/trunk@2807 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 22 Sep 2011 10:07:22 +0000
parents a63d79107289
children ad54896ec369
comparison
equal deleted inserted replaced
1630:cafd8af6734a 1631:26e19cdaed5e
5 import org.apache.log4j.Logger; 5 import org.apache.log4j.Logger;
6 6
7 import org.w3c.dom.Document; 7 import org.w3c.dom.Document;
8 import org.w3c.dom.Element; 8 import org.w3c.dom.Element;
9 9
10 import org.hibernate.Session;
11
12 import de.intevation.artifacts.CallMeta; 10 import de.intevation.artifacts.CallMeta;
13 import de.intevation.artifacts.GlobalContext; 11 import de.intevation.artifacts.GlobalContext;
14
15 import de.intevation.artifactdatabase.DefaultService;
16 12
17 import de.intevation.artifacts.common.ArtifactNamespaceContext; 13 import de.intevation.artifacts.common.ArtifactNamespaceContext;
18 import de.intevation.artifacts.common.utils.XMLUtils; 14 import de.intevation.artifacts.common.utils.XMLUtils;
19 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator; 15 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
20 16
21 import de.intevation.flys.backend.SessionHolder;
22 import de.intevation.flys.model.Gauge; 17 import de.intevation.flys.model.Gauge;
23 import de.intevation.flys.model.MainValue; 18 import de.intevation.flys.model.MainValue;
24 import de.intevation.flys.model.MainValueType; 19 import de.intevation.flys.model.MainValueType;
25 import de.intevation.flys.model.NamedMainValue; 20 import de.intevation.flys.model.NamedMainValue;
26 import de.intevation.flys.model.Range; 21 import de.intevation.flys.model.Range;
34 * This service returns the main values of a river's gauge based on the start 29 * This service returns the main values of a river's gauge based on the start
35 * and end point of the river. 30 * and end point of the river.
36 * 31 *
37 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> 32 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
38 */ 33 */
39 public class MainValuesService extends DefaultService { 34 public class MainValuesService extends FLYSService {
40 35
41 /** The logger that is used by this service.*/ 36 /** The logger that is used by this service.*/
42 private static Logger logger = Logger.getLogger(MainValuesService.class); 37 private static Logger logger = Logger.getLogger(MainValuesService.class);
43 38
44 39
57 public MainValuesService() { 52 public MainValuesService() {
58 } 53 }
59 54
60 55
61 @Override 56 @Override
62 public Document process( 57 public Document doProcess(
63 Document data, 58 Document data,
64 GlobalContext context, 59 GlobalContext context,
65 CallMeta callMeta 60 CallMeta callMeta
66 ) { 61 ) {
67 logger.debug("MainValuesService.process"); 62 logger.debug("MainValuesService.process");
169 logger.debug("MainValuesService.buildMainValues"); 164 logger.debug("MainValuesService.buildMainValues");
170 logger.debug("River: " + river.getName()); 165 logger.debug("River: " + river.getName());
171 logger.debug("Gauge: " + gauge.getName()); 166 logger.debug("Gauge: " + gauge.getName());
172 } 167 }
173 168
174 Session session = SessionHolder.acquire(); 169 List<MainValue> mainValues = MainValuesFactory.getMainValues(gauge);
175 try { 170
176 List<MainValue> mainValues = MainValuesFactory.getMainValues(gauge); 171 if (mainValues == null || mainValues.isEmpty()) {
177 172 throw new NullPointerException("No main values found.");
178 if (mainValues == null || mainValues.isEmpty()) { 173 }
179 throw new NullPointerException("No main values found."); 174
180 } 175 logger.debug(mainValues.size() + " main values found.");
181 176
182 logger.debug(mainValues.size() + " main values found."); 177 return mainValues;
183
184 return mainValues;
185 }
186 finally {
187 session.close();
188 SessionHolder.release();
189 }
190 } 178 }
191 179
192 180
193 protected Document buildDocument( 181 protected Document buildDocument(
194 River river, 182 River river,
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