Mercurial > dive4elements > river

comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DistanceInfoService.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 b1ed0ec0236f
children e92bc9b0ca1d
comparison
equal deleted inserted replaced
1630:cafd8af6734a 1631:26e19cdaed5e
12 import de.intevation.artifacts.GlobalContext; 12 import de.intevation.artifacts.GlobalContext;
13 13
14 import de.intevation.artifacts.common.ArtifactNamespaceContext; 14 import de.intevation.artifacts.common.ArtifactNamespaceContext;
15 import de.intevation.artifacts.common.utils.XMLUtils; 15 import de.intevation.artifacts.common.utils.XMLUtils;
16 16
17 import de.intevation.artifactdatabase.DefaultService;
18
19 import de.intevation.flys.backend.SessionHolder;
20 import de.intevation.flys.model.Annotation; 17 import de.intevation.flys.model.Annotation;
21 import de.intevation.flys.model.Attribute; 18 import de.intevation.flys.model.Attribute;
22 import de.intevation.flys.model.Position; 19 import de.intevation.flys.model.Position;
23 import de.intevation.flys.model.Range; 20 import de.intevation.flys.model.Range;
24 import de.intevation.flys.model.Edge; 21 import de.intevation.flys.model.Edge;
25 22
26 import de.intevation.flys.artifacts.model.AnnotationsFactory; 23 import de.intevation.flys.artifacts.model.AnnotationsFactory;
27 24
28 import org.hibernate.Session;
29
30 import de.intevation.flys.artifacts.cache.CacheFactory; 25 import de.intevation.flys.artifacts.cache.CacheFactory;
31 26
32 import net.sf.ehcache.Cache; 27 import net.sf.ehcache.Cache;
33 28
34 /** 29 /**
35 * This service provides information about distances of a specified river. 30 * This service provides information about distances of a specified 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 DistanceInfoService extends DefaultService { 34 public class DistanceInfoService extends FLYSService {
40 35
41 private static enum DistanceFilter { 36 private static enum DistanceFilter {
42 NONE, LOCATIONS, DISTANCES 37 NONE, LOCATIONS, DISTANCES
43 } 38 }
44 39
58 public DistanceInfoService() { 53 public DistanceInfoService() {
59 } 54 }
60 55
61 56
62 @Override 57 @Override
63 public Document process( 58 public Document doProcess(
64 Document data, 59 Document data,
65 GlobalContext globalContext, 60 GlobalContext globalContext,
66 CallMeta callMeta 61 CallMeta callMeta
67 ) { 62 ) {
68 logger.debug("DistanceInfoService.process"); 63 logger.debug("DistanceInfoService.process");
118 113
119 protected Document getUncached(String river, String filtertype) { 114 protected Document getUncached(String river, String filtertype) {
120 115
121 Document result = XMLUtils.newDocument(); 116 Document result = XMLUtils.newDocument();
122 117
123 Session session = SessionHolder.acquire(); 118 Iterator<Annotation> iter =
124 119 AnnotationsFactory.getAnnotationsIterator(river);
125 try { 120
126 Iterator<Annotation> iter = 121 Element all = result.createElement("distances");
127 AnnotationsFactory.getAnnotationsIterator(river); 122
128 123 DistanceFilter filter = getDistanceFilter(filtertype);
129 Element all = result.createElement("distances"); 124
130 125 while (iter.hasNext()) {
131 DistanceFilter filter = getDistanceFilter(filtertype); 126 Annotation a = iter.next();
132 127 Element distance = buildDistanceNode(result, a, filter);
133 while (iter.hasNext()) { 128
134 Annotation a = iter.next(); 129 if (distance != null) {
135 Element distance = buildDistanceNode(result, a, filter); 130 all.appendChild(distance);
136
137 if (distance != null) {
138 all.appendChild(distance);
139 }
140 } 131 }
141 132 }
142 result.appendChild(all); 133
143 } 134 result.appendChild(all);
144 finally {
145 session.close();
146 SessionHolder.release();
147 }
148 135
149 return result; 136 return result;
150 } 137 }
151 138
152 139
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