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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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1 package de.mpg.mpiwg.berlin.mpdl.lt.doc.regularization;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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2
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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3 import java.io.File;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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4
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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5 import com.sleepycat.je.Database;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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6 import com.sleepycat.je.DatabaseConfig;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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7 import com.sleepycat.je.DatabaseException;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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8 import com.sleepycat.je.Environment;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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9 import com.sleepycat.je.EnvironmentConfig;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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10
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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11 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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12
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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13 public class DbEnvRegularization {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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14 private String dataDir;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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15 private File envPath;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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16 private Environment env;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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17 private EnvironmentConfig envConfig;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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18 private DatabaseConfig dbConfig;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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19 private Database origDB;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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20 private Database normDB;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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21
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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22 public DbEnvRegularization() {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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23 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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24
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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25 public void setDataDir(String dataDir) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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26 this.dataDir = dataDir;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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27 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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28
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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29 public void init() throws ApplicationException {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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30 try {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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31 envConfig = new EnvironmentConfig();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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32 dbConfig = new DatabaseConfig();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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33 envConfig.setReadOnly(false);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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34 dbConfig.setReadOnly(false);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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35 envConfig.setAllowCreate(true);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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36 dbConfig.setAllowCreate(true);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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37 envConfig.setTransactional(true);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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38 dbConfig.setTransactional(true);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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39 // allow duplicates for keys
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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40 dbConfig.setSortedDuplicates(true);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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41 envPath = new File(dataDir);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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42 env = new Environment(envPath, envConfig);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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43 } catch (DatabaseException e) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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44 throw new ApplicationException(e);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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45 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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46 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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47
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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48 public void openDatabases() throws ApplicationException {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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49 try {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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50 // open databases (and create them if they do not exist)
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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51 origDB = env.openDatabase(null, "OrigDB", dbConfig);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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52 normDB = env.openDatabase(null, "NormDB", dbConfig);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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53 } catch (DatabaseException e) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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54 throw new ApplicationException(e);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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55 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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56 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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57
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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58 public void removeDatabases() throws ApplicationException {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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59 try {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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60 if (origDB != null)
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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61 origDB.close();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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62 if (normDB != null)
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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63 normDB.close();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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64 env.removeDatabase(null, "OrigDB");
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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65 env.removeDatabase(null, "NormDB");
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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66 origDB = null;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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67 normDB = null;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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68 } catch (DatabaseException e) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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69 throw new ApplicationException(e);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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70 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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71 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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72
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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73 public Environment getEnv() {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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74 return env;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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75 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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76
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77 public Database getNormDB() {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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78 return normDB;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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79 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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80
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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81 public Database getOrigDB() {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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82 return origDB;
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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83 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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84
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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85 public void close() throws ApplicationException {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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86 if (env != null) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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87 try {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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88 if (origDB != null)
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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89 origDB.close();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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90 if (normDB != null)
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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91 normDB.close();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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92 if (env != null)
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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93 env.close();
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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94 } catch (DatabaseException e) {
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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95 throw new ApplicationException(e);
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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96 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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97 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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98 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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99 }
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Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
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100
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