annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/services/DistanceInfoService.java @ 1178:1b432c260e97

Enabled the FloodMapState to fetch waterlevel data from external Artifact. flys-artifacts/trunk@2764 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 15 Sep 2011 15:36:05 +0000
parents b1ed0ec0236f
children 26e19cdaed5e
rev   line source
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.services;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
2
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
3 import java.math.BigDecimal;
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
4 import java.util.Iterator;
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
5
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
6 import org.apache.log4j.Logger;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
7
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
8 import org.w3c.dom.Document;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
9 import org.w3c.dom.Element;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
11 import de.intevation.artifacts.CallMeta;
966
a63d79107289 Adjusted services to implement changed signature.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 922
diff changeset
12 import de.intevation.artifacts.GlobalContext;
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
13
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
14 import de.intevation.artifacts.common.ArtifactNamespaceContext;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
15 import de.intevation.artifacts.common.utils.XMLUtils;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
16
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
17 import de.intevation.artifactdatabase.DefaultService;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
18
316
4aa078e28cfd Bugfix: repaired broken imports of the session holder.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 314
diff changeset
19 import de.intevation.flys.backend.SessionHolder;
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
20 import de.intevation.flys.model.Annotation;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 import de.intevation.flys.model.Attribute;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
22 import de.intevation.flys.model.Position;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
23 import de.intevation.flys.model.Range;
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
24 import de.intevation.flys.model.Edge;
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
25
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 import de.intevation.flys.artifacts.model.AnnotationsFactory;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27
314
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
28 import org.hibernate.Session;
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
29
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
30 import de.intevation.flys.artifacts.cache.CacheFactory;
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
31
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
32 import net.sf.ehcache.Cache;
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
33
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34 /**
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35 * This service provides information about distances of a specified river.
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36 *
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
38 */
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
39 public class DistanceInfoService extends DefaultService {
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
40
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
41 private static enum DistanceFilter {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
42 NONE, LOCATIONS, DISTANCES
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
43 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
44
1070
b1ed0ec0236f Smaller Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 966
diff changeset
45 /** The logger used in this service. */
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46 private static Logger logger = Logger.getLogger(DistanceInfoService.class);
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
47
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
48 public static final String CACHE_NAME = "service-distanceinfo";
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
49
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
50 public static final String RIVER_XPATH = "/art:river/text()";
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
51
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
52 public static final String FILTER_XPATH = "/art:river/art:filter/text()";
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
53
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
54
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
55 /**
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
56 * The default constructor.
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
57 */
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
58 public DistanceInfoService() {
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
59 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
60
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
61
966
a63d79107289 Adjusted services to implement changed signature.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 922
diff changeset
62 @Override
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
63 public Document process(
966
a63d79107289 Adjusted services to implement changed signature.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 922
diff changeset
64 Document data,
a63d79107289 Adjusted services to implement changed signature.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 922
diff changeset
65 GlobalContext globalContext,
a63d79107289 Adjusted services to implement changed signature.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 922
diff changeset
66 CallMeta callMeta
a63d79107289 Adjusted services to implement changed signature.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 922
diff changeset
67 ) {
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
68 logger.debug("DistanceInfoService.process");
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
69
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
70 String river = XMLUtils.xpathString(
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
71 data, RIVER_XPATH, ArtifactNamespaceContext.INSTANCE);
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
72
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
73 String filter = XMLUtils.xpathString(
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
74 data, FILTER_XPATH, ArtifactNamespaceContext.INSTANCE);
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
75
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
76 if (river == null || (river = river.trim()).length() == 0) {
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
77 logger.warn("No river specified. Cannot return distance info!");
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
78 return XMLUtils.newDocument();
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
79 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
80
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
81 logger.debug("Search distances for river: " + river);
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
82
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
83 Cache cache = CacheFactory.getCache(CACHE_NAME);
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
84
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
85 if (cache == null) {
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
86 logger.debug("no cache configured for distance info");
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
87 return getUncached(river, filter);
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
88 }
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
89
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
90
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
91 String key = getCacheKey(river, filter);
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
92
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
93 net.sf.ehcache.Element element = cache.get(key);
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
94
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
95 if (element != null) {
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
96 logger.debug("distance info found in cache");
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
97 return (Document)element.getValue();
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
98 }
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
99
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
100 Document result = getUncached(river, filter);
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
101
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
102 element = new net.sf.ehcache.Element(key, result);
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
103
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
104 logger.debug("store distance info found into cache");
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
105
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
106 cache.put(element);
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
107
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
108 return result;
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
109 }
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
110
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
111
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
112 protected String getCacheKey(String river, String filtertype) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
113 return filtertype != null && filtertype.length() > 0
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
114 ? river + "_" + filtertype
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
115 : river;
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
116 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
117
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
118
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
119 protected Document getUncached(String river, String filtertype) {
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
120
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
121 Document result = XMLUtils.newDocument();
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
122
314
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
123 Session session = SessionHolder.acquire();
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
124
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
125 try {
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
126 Iterator<Annotation> iter =
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
127 AnnotationsFactory.getAnnotationsIterator(river);
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
128
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
129 Element all = result.createElement("distances");
314
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
130
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
131 DistanceFilter filter = getDistanceFilter(filtertype);
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
132
644
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
133 while (iter.hasNext()) {
02c0cce0e469 Introduce a cache for the distance-info service
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 316
diff changeset
134 Annotation a = iter.next();
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
135 Element distance = buildDistanceNode(result, a, filter);
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
136
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
137 if (distance != null) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
138 all.appendChild(distance);
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
139 }
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
140 }
314
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
141
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
142 result.appendChild(all);
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
143 }
314
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
144 finally {
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
145 session.close();
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
146 SessionHolder.release();
aeeb9054b7cf Acquire/release sessions in services to avoid db connection leaks.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 301
diff changeset
147 }
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
148
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
149 return result;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
150 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
151
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
152
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
153 protected static DistanceFilter getDistanceFilter(String type) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
154 if (type.equals("locations")) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
155 logger.debug("Found 'location' filter.");
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
156 return DistanceFilter.LOCATIONS;
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
157 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
158 else if (type.equals("distances")) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
159 logger.debug("Found 'distances' filter.");
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
160 return DistanceFilter.DISTANCES;
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
161 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
162
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
163 logger.debug("Do not use any filter at all.");
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
164
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
165 return DistanceFilter.NONE;
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
166 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
167
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
168
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
169 /**
1070
b1ed0ec0236f Smaller Cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 966
diff changeset
170 * Builds an Element for a distance info.
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
171 *
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
172 * @param anno The Annotation that provides information about the distance.
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
173 *
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
174 * @return an Element that contains information about a distance.
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
175 */
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
176 protected static Element buildDistanceNode(
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
177 Document document,
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
178 Annotation anno,
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
179 DistanceFilter filter
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
180 ) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
181 Position pos = anno.getPosition();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
182 Range range = anno.getRange();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
183 Attribute attr = anno.getAttribute();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
184 Edge edge = anno.getEdge();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
185 BigDecimal a = range.getA();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
186 BigDecimal b = range.getB();
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
187
922
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
188 if (b == null && filter == DistanceFilter.DISTANCES) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
189 return null;
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
190 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
191
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
192 if (b != null && filter == DistanceFilter.LOCATIONS) {
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
193 return null;
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
194 }
95356252c309 Added the option to call the distance info service with a filter to fetch locations or distances only.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 704
diff changeset
195
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
196 Element distance = document.createElement("distance");
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
197
686
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
198 distance.setAttribute("description", pos.getValue());
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
199
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
200 String riverSide = attr.getValue();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
201
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
202 if (riverSide != null && riverSide.length() > 0) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
203 distance.setAttribute("riverside", riverSide);
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
204 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
205
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
206 if (a != null) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
207 distance.setAttribute("from", a.toString());
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
208 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
209 if (b != null) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
210 distance.setAttribute("to", b.toString());
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
211 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
212 if (edge != null) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
213 BigDecimal bottom = edge.getBottom();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
214 BigDecimal top = edge.getTop();
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
215 if (bottom != null) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
216 distance.setAttribute("bottom", bottom.toString());
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
217 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
218 if (top != null) {
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
219 distance.setAttribute("top", top.toString());
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
220 }
3dc61e00385e Merged with trunk and introduced hashing of computed values.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 644
diff changeset
221 }
301
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
222
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
223 return distance;
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
224 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
225 }
1a00cb4998a8 Implemented a service that retrieves distance information for a specific river.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
226 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org