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annotate src/main/java/org/mpi/openmind/scripts/MigratePrimeAliases.java @ 127:3e772f7f43e0 default tip

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author Robert Casties <casties@mpiwg-berlin.mpg.de>
date Thu, 11 May 2023 18:15:45 +0200
parents 8acfd380fffe
children
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112
933d17f95016 new script MigratePrimeAliases to migrate is_prime_alias_X_of.
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1 package org.mpi.openmind.scripts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.apache.log4j.Logger;
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7 import org.mpi.openmind.cache.WrapperService;
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8 import org.mpi.openmind.repository.bo.Entity;
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9 import org.mpi.openmind.repository.bo.Relation;
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10 import org.mpi.openmind.repository.services.ServiceRegistry;
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11
933d17f95016 new script MigratePrimeAliases to migrate is_prime_alias_X_of.
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12 /**
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13 * @author casties
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14 *
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15 */
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16 public class MigratePrimeAliases {
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17 private static final String migrateUser = "migrate-alias user";
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18
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19 private static Logger logger = Logger.getLogger(MigratePrimeAliases.class);
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20
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21 protected static void migrate(String oldRelation, String newRelation, WrapperService wrapper) {
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22
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23 List<Entity> deleteList = new ArrayList<Entity>();
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24 List<Entity> saveList = new ArrayList<Entity>();
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25
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26 int cnt = 0;
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27 List<Entity> aliasList = wrapper.getEntitiesByDef("ALIAS");
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28 for (Entity alias : aliasList) {
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29 if (alias.isLightweight()) {
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30 alias = wrapper.getEntityContent(alias);
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31 }
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32 // get relation
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33 List<Relation> rels = alias.getSourceRelations(oldRelation, "*");
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34 if (rels.isEmpty()) continue;
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35 if (rels.size() > 1) {
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36 logger.error("ALIAS has more than one relation!");
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37 System.exit(1);
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38 }
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39 Relation rel = rels.get(0);
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40 Entity tar = wrapper.getEntityById(rel.getTargetId());
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41 if (tar.isLightweight()) {
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42 tar = wrapper.getEntityContent(tar);
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43 }
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44 boolean aliasExists = false;
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45 // get other aliases of target
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46 List<Relation> otherrels = tar.getTargetRelations(newRelation, "ALIAS");
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47 for (Relation otherrel : otherrels) {
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48 Entity otheralias = wrapper.getEntityById(otherrel.getSourceId());
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49 // compare ownvalue
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50 if (alias.getOwnValue().equals(otheralias.getOwnValue())) {
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51 aliasExists = true;
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52 break;
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53 }
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54 }
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55 if (aliasExists) {
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56 deleteList.add(alias);
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57 } else {
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58 // change relation
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59 rel.setOwnValue(newRelation);
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60 rel.setObjectClass(newRelation);
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61 saveList.add(alias);
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62 }
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63 if (++cnt % 100 == 0) {
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64 logger.debug(cnt+" aliases...");
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65 }
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66 }
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67 // delete obsolete aliases
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68 for (Entity alias : deleteList) {
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69 try {
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70 logger.debug("Deleting obsolete alias: "+alias);
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71 wrapper.removeCurrentVersionEntity(alias, migrateUser);
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72 } catch (Exception e) {
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73 logger.error("Error deleting alias!", e);
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74 }
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75 }
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76 // save changed aliases
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77 for (Entity alias: saveList) {
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78 try {
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79 logger.debug("Saving changed alias: "+alias);
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80 wrapper.saveEntity(alias, migrateUser, null);
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81 } catch (Exception e) {
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82 logger.error("Error saving changed aliases!", e);
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83 }
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84 }
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85 logger.info("Deleted "+deleteList.size()+" aliases.");
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86 logger.info("Changed "+saveList.size()+" aliases.");
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87 }
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88
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89 /**
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90 * @param args
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91 */
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92 public static void main(String[] args) {
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93 ServiceRegistry services = new ServiceRegistry();
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94 services.getWrapper();
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95
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96 logger.info("Migrating ALIAS from is_prime_alias_name_of to is_alias_name_of");
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97 migrate("is_prime_alias_name_of", "is_alias_name_of", services.getWrapper());
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98
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99 logger.info("Migrating ALIAS from is_prime_alias_title_of to is_alias_title_of");
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100 migrate("is_prime_alias_title_of", "is_alias_title_of", services.getWrapper());
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101
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102 System.exit(0);
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103 }
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104
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105 }