Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FastCrossSectionChunk.java @ 3061:49baebb39305

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FixA: Add interpolation of parameters that better suits the instantiation real functions. flys-artifacts/trunk@4641 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 12 Jun 2012 08:11:36 +0000
parents d626ae185305
children 5642a83420f2
rev   line source
2119
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.util.List;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4 import java.util.Collections;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
6 import java.io.Serializable;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 import de.intevation.flys.model.CrossSection;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9
2126
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
10 import de.intevation.flys.model.FastCrossSectionLine;
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
11
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
12 import org.apache.log4j.Logger;
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
13
2119
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
14 public class FastCrossSectionChunk
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 implements Serializable
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
16 {
2126
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
17 private static Logger log = Logger.getLogger(FastCrossSectionChunk.class);
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
18
2119
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 public static final String PREFIX = "FCSC:";
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 public static final double KM_RANGE = 1.0;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 protected double startKm;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 protected int crossSectionId;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 protected List<FastCrossSectionLine> crossSectionLines;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 public FastCrossSectionChunk() {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 public FastCrossSectionChunk(CrossSection cs, double km) {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 crossSectionId = cs.getId();
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 startKm = Math.floor(km);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 double stopKm = startKm + KM_RANGE;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35
2126
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
36 long startTime = System.currentTimeMillis();
2119
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37
2126
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
38 crossSectionLines = cs.getFastLines(startKm, stopKm);
2119
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39
2126
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
40 long stopTime = System.currentTimeMillis();
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
41
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
42 if (log.isDebugEnabled()) {
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
43 log.debug("Fetching cross section lines took " +
d626ae185305 Use the fast cross section lines from backend now.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2119
diff changeset
44 (float)(stopTime-startTime)/1000f + " secs.");
2119
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 public FastCrossSectionLine getCrossSectionLine(double km) {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 FastCrossSectionLine key = new FastCrossSectionLine(km);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 int pos = Collections.binarySearch(
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 crossSectionLines, key, FastCrossSectionLine.KM_CMP);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 return pos < 0 ? null : crossSectionLines.get(pos);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 public static String createHashKey(CrossSection cs, double km) {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 return PREFIX + cs.getId() + ":" + (int)Math.floor(km);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 public String getHashKey() {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 return PREFIX + crossSectionId + ":" + (int)Math.floor(startKm);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 public double getStartKm() {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64 return startKm;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
66
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 public void setStartKm(double startKm) {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 this.startKm = startKm;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71 public double getStopKm() {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72 return startKm + KM_RANGE;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 public int getCrossSectionId() {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 return crossSectionId;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79 public void setCrossSectionId(int crossSectionId) {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
80 this.crossSectionId = crossSectionId;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
82 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org