Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/LevelOrderIndices.java @ 804:9058c08eac3a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Added more Javadoc in some classes of state.profile. gnv-artifacts/trunk@886 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 08 Apr 2010 10:10:04 +0000
parents cdade5005cba
children 22c18083225e
rev   line source
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.jfreechart;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.util.LinkedList;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 /**
780
c4156275c1e1 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 450
diff changeset
6 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7 */
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
8 public class LevelOrderIndices
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9 {
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
10 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
11 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
12 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
13 public interface Visitor {
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
14 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
15 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
16 * @param index
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
17 * @return
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
18 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 Object visit(int index);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
22 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
23 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
24 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 protected int from;
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
26 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
27 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
28 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 protected int to;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
31 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
32 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
33 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 public LevelOrderIndices() {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
37 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
38 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
39 * @param to
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
40 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 public LevelOrderIndices(int to) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42 this(0, to);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
45 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
46 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
47 * @param from
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
48 * @param to
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
49 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50 public LevelOrderIndices(int from, int to) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 this.from = Math.min(from, to);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 this.to = Math.max(from, to);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54
795
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
55 /**
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
56 *
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
57 * @param visitor
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
58 * @return
cdade5005cba Added javadoc in jfreechart package.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 780
diff changeset
59 */
450
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 public Object visit(Visitor visitor) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 LinkedList<int[]> queue = new LinkedList<int[]>();
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63 queue.add(new int [] { from, to });
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 while (!queue.isEmpty()) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
66 int [] pair = queue.remove();
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 int mid = (pair[0] + pair[1]) >> 1;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70 Object result = visitor.visit(mid);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72 if (result != null) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 return result;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 if (mid-1 >= pair[0]) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 queue.add(new int [] { pair[0], mid-1 });
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
80 if (mid+1 <= pair[1]) {
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81 pair[0] = mid+1;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
82 queue.add(pair);
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
84 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
85
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
86 return null;
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
88 }
20a480753ff9 Render labels in vertical cross section charts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
89 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org