Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/importer/ImportCrossSectionLine.java @ 4705:3199dbc20e22
Documentation added.
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Wed, 19 Dec 2012 11:37:59 +0100 |
| parents | 2f874d14ac68 |
| children | 52c3a9d14441 |
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| 4704:115afdaf3e85 | 4705:3199dbc20e22 |
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| 10 import java.util.List; | 10 import java.util.List; |
| 11 import java.util.Comparator; | 11 import java.util.Comparator; |
| 12 import java.util.Map; | 12 import java.util.Map; |
| 13 import java.util.TreeMap; | 13 import java.util.TreeMap; |
| 14 | 14 |
| 15 /** | |
| 16 * A CrossSectionLine (containing points) ready to be transformed into a mapped | |
| 17 * object and written to db (used in importer). | |
| 18 */ | |
| 15 public class ImportCrossSectionLine | 19 public class ImportCrossSectionLine |
| 16 { | 20 { |
| 17 public static final Comparator<CrossSectionPoint> INDEX_CMP = | 21 public static final Comparator<CrossSectionPoint> INDEX_CMP = |
| 18 new Comparator<CrossSectionPoint>() { | 22 new Comparator<CrossSectionPoint>() { |
| 19 public int compare(CrossSectionPoint a, CrossSectionPoint b) { | 23 public int compare(CrossSectionPoint a, CrossSectionPoint b) { |
| 53 | 57 |
| 54 public void storeDependencies() { | 58 public void storeDependencies() { |
| 55 storePoints(); | 59 storePoints(); |
| 56 } | 60 } |
| 57 | 61 |
| 62 | |
| 63 /** Write a line and its points. */ | |
| 58 protected void storePoints() { | 64 protected void storePoints() { |
| 59 CrossSectionLine csl = getPeer(); | 65 CrossSectionLine csl = getPeer(); |
| 60 | 66 |
| 61 Map<CrossSectionPoint, CrossSectionPoint> map = | 67 Map<CrossSectionPoint, CrossSectionPoint> map = |
| 62 new TreeMap<CrossSectionPoint, CrossSectionPoint>(INDEX_CMP); | 68 new TreeMap<CrossSectionPoint, CrossSectionPoint>(INDEX_CMP); |
| 63 | 69 |
| 64 // build index for faster collision lookup | 70 // Build index for faster (index) collision lookup. |
| 65 List<CrossSectionPoint> ps = csl.getPoints(); | 71 List<CrossSectionPoint> ps = csl.getPoints(); |
| 66 if (ps != null) { | 72 if (ps != null) { |
| 67 for (CrossSectionPoint point: ps) { | 73 for (CrossSectionPoint point: ps) { |
| 68 map.put(point, point); | 74 map.put(point, point); |
| 69 } | 75 } |
| 72 Session session = | 78 Session session = |
| 73 ImporterSession.getInstance().getDatabaseSession(); | 79 ImporterSession.getInstance().getDatabaseSession(); |
| 74 | 80 |
| 75 CrossSectionPoint key = new CrossSectionPoint(); | 81 CrossSectionPoint key = new CrossSectionPoint(); |
| 76 | 82 |
| 83 // Somehow it looks as if even with the map it is still possible that | |
| 84 // multiple points with same id enter hibernate (and then violate a | |
| 85 // constraint). -> TODO | |
| 77 for (XY xy: points) { | 86 for (XY xy: points) { |
| 78 key.setColPos(xy.getIndex()); | 87 key.setColPos(xy.getIndex()); |
| 79 CrossSectionPoint csp = map.get(key); | 88 CrossSectionPoint csp = map.get(key); |
| 80 if (csp == null) { // create new | 89 if (csp == null) { // create new |
| 81 csp = new CrossSectionPoint( | 90 csp = new CrossSectionPoint( |