Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportRange.java @ 189:bc3747a371cc
First part of parsing main values.
flys-backend/trunk@1520 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Fri, 18 Mar 2011 16:12:24 +0000 |
parents | 003ac16812dd |
children | 3169b559ca3c |
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1 package de.intevation.flys.importer; |
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2 |
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3 import de.intevation.flys.model.Range; |
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4 import de.intevation.flys.model.River; |
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5 |
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6 import org.hibernate.Session; |
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7 import org.hibernate.Query; |
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8 |
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9 import java.util.List; |
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10 |
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11 import java.math.BigDecimal; |
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12 |
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13 import org.apache.log4j.Logger; |
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14 |
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15 public class ImportRange |
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16 implements Comparable<ImportRange> |
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17 { |
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18 private static Logger log = Logger.getLogger(ImportRange.class); |
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19 |
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20 protected BigDecimal a; |
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21 protected BigDecimal b; |
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22 |
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23 protected Range peer; |
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24 |
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25 public ImportRange() { |
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26 } |
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27 |
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28 public ImportRange(BigDecimal a, BigDecimal b) { |
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29 this.a = a; |
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30 this.b = b; |
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31 } |
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32 |
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33 private static final int compare(BigDecimal a, BigDecimal b) { |
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34 if (a == null && b == null) { |
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35 return 0; |
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36 } |
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37 if (a == null && b != null) { |
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38 return -1; |
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39 } |
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40 if (a != null && b == null) { |
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41 return +1; |
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42 } |
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43 return a.compareTo(b); |
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44 } |
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45 |
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46 public int compareTo(ImportRange other) { |
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47 int cmp = compare(a, other.a); |
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48 if (cmp != 0) return cmp; |
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49 return compare(b, other.b); |
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50 } |
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51 |
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52 public BigDecimal getA() { |
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53 return a; |
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54 } |
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55 |
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56 public void setA(BigDecimal a) { |
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57 this.a = a; |
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58 } |
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59 |
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60 public BigDecimal getB() { |
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61 return b; |
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62 } |
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63 |
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64 public void setB(BigDecimal b) { |
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65 this.b = b; |
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66 } |
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67 |
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68 public Range getPeer(River river) { |
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69 if (peer == null) { |
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70 Session session = Importer.sessionHolder.get(); |
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71 Query query = session.createQuery( |
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72 "from Range where a=:a and b=:b and river.id=:river"); |
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73 query.setParameter("a", a); |
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74 query.setParameter("b", b); |
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75 query.setParameter("river", river.getId()); |
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76 List<Range> ranges = query.list(); |
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77 if (ranges.isEmpty()) { |
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78 peer = new Range(a, b, river); |
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79 session.save(peer); |
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80 } |
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81 else { |
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82 peer = ranges.get(0); |
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83 } |
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84 } |
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85 return peer; |
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86 } |
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87 } |
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |