Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/importer/Importer.java @ 763:8076f6a689d0
First part of flys/issue18
flys-backend/trunk@2124 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Wed, 15 Jun 2011 09:22:00 +0000 |
parents | 67fd63e4ef66 |
children | 763c4137d6e1 |
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1 package de.intevation.flys.importer; |
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2 |
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3 import java.io.File; |
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4 import java.io.IOException; |
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5 |
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6 import java.util.List; |
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7 |
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8 import java.sql.SQLException; |
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9 |
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10 import org.apache.log4j.Logger; |
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11 |
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12 import org.hibernate.Transaction; |
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13 import org.hibernate.HibernateException; |
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14 |
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15 public class Importer |
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16 { |
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17 private static Logger log = Logger.getLogger(Importer.class); |
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18 |
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19 public static final boolean DRY_RUN = |
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20 Boolean.getBoolean("flys.backend.importer.dry.run"); |
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21 |
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22 protected List<ImportRiver> rivers; |
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23 |
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24 public Importer() { |
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25 } |
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26 |
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27 public Importer(List<ImportRiver> rivers) { |
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28 this.rivers = rivers; |
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29 } |
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30 |
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31 public List<ImportRiver> getRivers() { |
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32 return rivers; |
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33 } |
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34 |
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35 public void setRivers(List<ImportRiver> rivers) { |
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36 this.rivers = rivers; |
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37 } |
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38 |
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39 public void writeRivers() { |
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40 log.debug("write rivers started"); |
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41 |
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42 for (ImportRiver river: rivers) { |
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43 log.debug("writing river '" + river.getName() + "'"); |
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44 river.storeDependencies(); |
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45 ImporterSession.getInstance().getDatabaseSession().flush(); |
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46 } |
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47 |
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48 log.debug("write rivers finished"); |
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49 } |
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50 |
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51 public void writeToDatabase() { |
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52 |
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53 Transaction tx = null; |
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54 |
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55 try { |
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56 tx = ImporterSession.getInstance() |
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57 .getDatabaseSession().beginTransaction(); |
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58 |
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59 try { |
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60 writeRivers(); |
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61 } |
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62 catch (HibernateException he) { |
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63 Throwable t = he.getCause(); |
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64 while (t instanceof SQLException) { |
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65 SQLException sqle = (SQLException)t; |
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66 log.error("SQL exeception chain:", sqle); |
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67 t = sqle.getNextException(); |
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68 } |
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69 throw he; |
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70 } |
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71 |
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72 tx.commit(); |
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73 } |
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74 catch (RuntimeException re) { |
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75 if (tx != null) { |
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76 tx.rollback(); |
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77 } |
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78 throw re; |
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79 } |
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80 } |
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81 |
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82 public static void main(String [] args) { |
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83 |
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84 InfoGewParser infoGewParser = new InfoGewParser(); |
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85 |
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86 for (String gew: args) { |
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87 log.info("parsing info gew file: " + gew); |
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88 try { |
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89 infoGewParser.parse(new File(gew)); |
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90 } |
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91 catch (IOException ioe) { |
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92 log.error("cannot while parsing: " + gew); |
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93 } |
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94 } |
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95 |
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96 if (!DRY_RUN) { |
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97 new Importer(infoGewParser.getRivers()).writeToDatabase(); |
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98 } |
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99 } |
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100 } |
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101 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |