Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/LocationProvider.java @ 4771:e21acb4f5c62

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Simplified code.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sat, 05 Jan 2013 12:13:16 +0100
parents efb067ab2ca4
children
rev   line source
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model;
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
2
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
3 import net.sf.ehcache.Cache;
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
4 import net.sf.ehcache.Element;
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
5
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
6 import org.apache.log4j.Logger;
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
7
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
8 import de.intevation.flys.model.Annotation;
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
9 import de.intevation.flys.model.FastAnnotations;
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
10
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
11 import de.intevation.flys.artifacts.cache.CacheFactory;
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
12
4010
efb067ab2ca4 Added TODOs for issue880.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3317
diff changeset
13
efb067ab2ca4 Added TODOs for issue880.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3317
diff changeset
14 /** Make FastAnnotations (db unbound) available. */
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
15 public class LocationProvider {
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
16
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
17 private static final Logger log =
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
18 Logger.getLogger(LocationProvider.class);
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
19
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
20
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
21 public static final String CACHE_KEY = "location-provider";
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
22
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
23 public static final String PREFIX = "lp-";
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
24
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
25
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
26 private LocationProvider() {
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
27 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
29 public static String getLocation(String river, double km) {
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
30
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
31 FastAnnotations fas = getAnnotations(river, km);
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
32
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
33 FastAnnotations.Annotation an = fas.findByKm(km);
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
34
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
35 return an != null ? an.getPosition() : null;
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
36 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
37
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
38 public static FastAnnotations getAnnotations(String river) {
2289
fe3ea0f16098 Small bugfix for fetching river annotations.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2144
diff changeset
39 return getAnnotations(river, Double.MAX_VALUE);
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
40 }
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
41
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
42 protected static FastAnnotations getAnnotations(String river, double km) {
4010
efb067ab2ca4 Added TODOs for issue880.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 3317
diff changeset
43 // TODO issue880: Make annotations available _per type_
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
44
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
45 Cache cache = CacheFactory.getCache(CACHE_KEY);
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
47 if (cache == null) {
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
48 return uncachedAnnotations(river, km);
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
49 }
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
50
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
51 String key = PREFIX + river;
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
52
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
53 Element element = cache.get(key);
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
54
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
55 if (element != null) {
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
56 return (FastAnnotations)element.getValue();
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
57 }
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
58
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
59 FastAnnotations fas = uncachedAnnotations(river, Double.MAX_VALUE);
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
60
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
61 cache.put(new Element(key, fas));
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
62
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
63 return fas;
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
64 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
65
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
66 protected static FastAnnotations uncachedAnnotations(
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
67 String river,
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
68 double km
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
69 ) {
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
70 if (km != Double.MAX_VALUE) {
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
71 // XXX Fake it by using a standard Annotation.
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
72
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
73 Annotation annotation =
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
74 AnnotationsFactory.getAnnotation(river, km);
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
75
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
76 if (annotation != null) {
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
77 FastAnnotations.Annotation fa =
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
78 new FastAnnotations.Annotation(
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
79 km, Double.NaN,
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
80 annotation.getPosition().getValue(), null, null,
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
81 Double.NaN, Double.NaN);
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
82 return new FastAnnotations(
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
83 new FastAnnotations.Annotation [] { fa });
2127
0c7847b8e85e Speed up the join of calculation results and the km annotations.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2063
diff changeset
84 }
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
85
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
86 return new FastAnnotations(new FastAnnotations.Annotation[0]);
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
87 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
88
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
89 long startTime = System.currentTimeMillis();
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
90
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
91 FastAnnotations fas = new FastAnnotations(river);
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
92
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
93 long stopTime = System.currentTimeMillis();
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
94
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
95 if (log.isDebugEnabled()) {
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
96 log.debug("Loading locations took " +
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
97 (stopTime-startTime)/1000f + " secs.");
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
98 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
99
2144
a4bdf7d8527e Use FastAnnotations for LocationProvider.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2127
diff changeset
100 return fas;
2063
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
101 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
102 }
97a25b54eea3 Part 1 of #125: added a description for a location to the WaterlevelExport.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org