Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FastCrossSectionChunk.java @ 2119:dc28ea60b53d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines. flys-artifacts/trunk@3689 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 16 Jan 2012 15:51:46 +0000
parents
children d626ae185305
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.ArrayList;
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.List;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 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
6
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 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
8
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 import de.intevation.flys.model.CrossSectionLine;
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 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
11
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 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
13 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
14 {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
15 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
16 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
17
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 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
19 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
20
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 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
22
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 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
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
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 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
27
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28 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
29 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
30 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
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 List<CrossSectionLine> csls = cs.getLines(startKm, stopKm);
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 crossSectionLines = new ArrayList
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 <FastCrossSectionLine>(csls.size());
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37 for (CrossSectionLine csl: csls) {
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 crossSectionLines.add(new FastCrossSectionLine(csl));
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 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
43 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
44 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
45 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
46 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
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
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 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
50 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
51 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 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
54 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
55 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 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
58 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
59 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 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
62 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
63 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 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
66 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
67 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69 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
70 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
71 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 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
74 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
75 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 }
dc28ea60b53d Added cached/chunked access to cross section lines. TODO: Use the FastCrossSectionLines.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org