Package org.hibernate.envers.entities.mapper.id

Examples of org.hibernate.envers.entities.mapper.id.IdMapper

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              // We've got to initialize the object from the proxy to later read its state.  
              newValue = Tools.getTargetFromProxy(session.getFactory(), hibernateProxy);
                      } else {
                        toEntityName =  session.guessEntityName(newValue);

              IdMapper idMapper = verCfg.getEntCfg().get(toEntityName).getIdMapper();
                           id = (Serializable) idMapper.mapToIdFromEntity(newValue);
                      }

                        verSync.addWorkUnit(new CollectionChangeWorkUnit(session, toEntityName, verCfg, id, newValue));
                    }

                    if (oldValue != null) {
                      String toEntityName;
            Serializable id;

                      if(oldValue instanceof HibernateProxy) {
                          HibernateProxy hibernateProxy = (HibernateProxy) oldValue;
                          toEntityName = session.bestGuessEntityName(oldValue);
                          id = hibernateProxy.getHibernateLazyInitializer().getIdentifier();
              // We've got to initialize the object as we'll read it's state anyway.
              oldValue = Tools.getTargetFromProxy(session.getFactory(), hibernateProxy);
                      } else {
                        toEntityName =  session.guessEntityName(oldValue);

              IdMapper idMapper = verCfg.getEntCfg().get(toEntityName).getIdMapper();
              id = (Serializable) idMapper.mapToIdFromEntity(oldValue);
                      }
           
                        verSync.addWorkUnit(new CollectionChangeWorkUnit(session, toEntityName, verCfg, id, oldValue));
                    }
                }
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        // Checking if this is not a bidirectional relation - then, a revision needs also be generated for
        // the other side of the relation.
        // relDesc can be null if this is a collection of simple values (not a relation).
        if (rd != null && rd.isBidirectional()) {
            String relatedEntityName = rd.getToEntityName();
            IdMapper relatedIdMapper = verCfg.getEntCfg().get(relatedEntityName).getIdMapper();
           
            for (PersistentCollectionChangeData changeData : workUnit.getCollectionChanges()) {
                Object relatedObj = changeData.getChangedElement();
                Serializable relatedId = (Serializable) relatedIdMapper.mapToIdFromEntity(relatedObj);

                verSync.addWorkUnit(new CollectionChangeWorkUnit(event.getSession(), relatedEntityName, verCfg,
            relatedId, relatedObj));
            }
        }
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                .mapCollectionChanges(referencingPropertyName, newColl, oldColl, event.getAffectedOwnerIdOrNull());

        // Getting the id mapper for the related entity, as the work units generated will corrspond to the related
        // entities.
        String relatedEntityName = rd.getToEntityName();
        IdMapper relatedIdMapper = verCfg.getEntCfg().get(relatedEntityName).getIdMapper();

        // For each collection change, generating the bidirectional work unit.
        for (PersistentCollectionChangeData changeData : collectionChanges) {
            Object relatedObj = changeData.getChangedElement();
            Serializable relatedId = (Serializable) relatedIdMapper.mapToIdFromEntity(relatedObj);
            RevisionType revType = (RevisionType) changeData.getData().get(verCfg.getAuditEntCfg().getRevisionTypePropName());

            // This can be different from relatedEntityName, in case of inheritance (the real entity may be a subclass
            // of relatedEntityName).
            String realRelatedEntityName = event.getSession().bestGuessEntityName(relatedObj);
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            // In case of a fake many-to-one bidirectional relation, we have to generate a mapper which maps
            // the mapped-by property name to the id of the related entity (which is the owner of the collection).
            String auditMappedBy = propertyAuditingData.getAuditMappedBy();

            // Creating a prefixed relation mapper.
            IdMapper relMapper = referencingIdMapping.getIdMapper().prefixMappedProperties(
                    MappingTools.createToOneRelationPrefix(auditMappedBy));

            fakeBidirectionalRelationMapper = new ToOneIdMapper(
                    relMapper,
                    // The mapper will only be used to map from entity to map, so no need to provide other details
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        if (type != null) {
            entityName = type;
        }

        // First mapping the primary key
        IdMapper idMapper = verCfg.getEntCfg().get(entityName).getIdMapper();
        Map originalId = (Map) versionsEntity.get(verCfg.getAuditEntCfg().getOriginalIdPropName());

        Object primaryKey = idMapper.mapToIdFromMap(originalId);

        // Checking if the entity is in cache
        if (versionsReader.getFirstLevelCache().contains(entityName, revision, primaryKey)) {
            return versionsReader.getFirstLevelCache().get(entityName, revision, primaryKey);
        }

        // If it is not in the cache, creating a new entity instance
        Object ret;
        try {
          EntityConfiguration entCfg = verCfg.getEntCfg().get(entityName);
          if(entCfg == null) {
            // a relation marked as RelationTargetAuditMode.NOT_AUDITED
            entCfg = verCfg.getEntCfg().getNotVersionEntityConfiguration(entityName);
          }

            Class<?> cls = ReflectionTools.loadClass(entCfg.getEntityClassName());
            ret = ReflectHelper.getDefaultConstructor(cls).newInstance();
        } catch (Exception e) {
            throw new AuditException(e);
        }

        // Putting the newly created entity instance into the first level cache, in case a one-to-one bidirectional
        // relation is present (which is eagerly loaded).
        versionsReader.getFirstLevelCache().put(entityName, revision, primaryKey, ret);

        verCfg.getEntCfg().get(entityName).getPropertyMapper().mapToEntityFromMap(verCfg, ret, versionsEntity, primaryKey,
                versionsReader, revision);
        idMapper.mapToEntityFromMap(ret, originalId);

        // Put entity on entityName cache after mapping it from the map representation
        versionsReader.getFirstLevelCache().putOnEntityNameCache(primaryKey, revision, ret, entityName);
       
        return ret;
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        if (type != null) {
            entityName = type;
        }

        // First mapping the primary key
        IdMapper idMapper = verCfg.getEntCfg().get(entityName).getIdMapper();
        Map originalId = (Map) versionsEntity.get(verCfg.getAuditEntCfg().getOriginalIdPropName());

        Object primaryKey = idMapper.mapToIdFromMap(originalId);

        // Checking if the entity is in cache
        if (versionsReader.getFirstLevelCache().contains(entityName, revision, primaryKey)) {
            return versionsReader.getFirstLevelCache().get(entityName, revision, primaryKey);
        }

        // If it is not in the cache, creating a new entity instance
        Object ret;
        try {
            Class<?> cls = ReflectionTools.loadClass(entityName);
            ret = ReflectHelper.getDefaultConstructor(cls).newInstance();
        } catch (Exception e) {
            throw new AuditException(e);
        }

        // Putting the newly created entity instance into the first level cache, in case a one-to-one bidirectional
        // relation is present (which is eagerly loaded).
        versionsReader.getFirstLevelCache().put(entityName, revision, primaryKey, ret);

        verCfg.getEntCfg().get(entityName).getPropertyMapper().mapToEntityFromMap(verCfg, ret, versionsEntity, primaryKey,
                versionsReader, revision);
        idMapper.mapToEntityFromMap(ret, originalId);

        return ret;
    }
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                .mapCollectionChanges( referencingPropertyName, newColl, oldColl, event.getAffectedOwnerIdOrNull() );

        // Getting the id mapper for the related entity, as the work units generated will corrspond to the related
        // entities.
        String relatedEntityName = rd.getToEntityName();
        IdMapper relatedIdMapper = getAuditConfiguration().getEntCfg().get(relatedEntityName).getIdMapper();

        // For each collection change, generating the bidirectional work unit.
        for ( PersistentCollectionChangeData changeData : collectionChanges ) {
            Object relatedObj = changeData.getChangedElement();
            Serializable relatedId = (Serializable) relatedIdMapper.mapToIdFromEntity(relatedObj);
            RevisionType revType = (RevisionType) changeData.getData().get(
          getAuditConfiguration().getAuditEntCfg().getRevisionTypePropName()
      );

            // This can be different from relatedEntityName, in case of inheritance (the real entity may be a subclass
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        // Checking if this is not a bidirectional relation - then, a revision needs also be generated for
        // the other side of the relation.
        // relDesc can be null if this is a collection of simple values (not a relation).
        if ( rd != null && rd.isBidirectional() ) {
            String relatedEntityName = rd.getToEntityName();
            IdMapper relatedIdMapper = getAuditConfiguration().getEntCfg().get( relatedEntityName ).getIdMapper();

      Set<String> toPropertyNames = getAuditConfiguration().getEntCfg()
          .getToPropertyNames(event.getAffectedOwnerEntityName(), rd.getFromPropertyName(), relatedEntityName);
      String toPropertyName = toPropertyNames.iterator().next();

            for ( PersistentCollectionChangeData changeData : workUnit.getCollectionChanges() ) {
                Object relatedObj = changeData.getChangedElement();
                Serializable relatedId = (Serializable) relatedIdMapper.mapToIdFromEntity( relatedObj );

                auditProcess.addWorkUnit(
            new CollectionChangeWorkUnit(
                event.getSession(),
                event.getSession().bestGuessEntityName(relatedObj),
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            // In case of a fake many-to-one bidirectional relation, we have to generate a mapper which maps
            // the mapped-by property name to the id of the related entity (which is the owner of the collection).
            String auditMappedBy = propertyAuditingData.getAuditMappedBy();

            // Creating a prefixed relation mapper.
            IdMapper relMapper = referencingIdMapping.getIdMapper().prefixMappedProperties(
                    MappingTools.createToOneRelationPrefix(auditMappedBy));

            fakeBidirectionalRelationMapper = new ToOneIdMapper(
                    relMapper,
                    // The mapper will only be used to map from entity to map, so no need to provide other details
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              // We've got to initialize the object from the proxy to later read its state.  
              newValue = Tools.getTargetFromProxy(session.getFactory(), hibernateProxy);
                      } else {
                        toEntityName =  session.guessEntityName(newValue);

              IdMapper idMapper = verCfg.getEntCfg().get(toEntityName).getIdMapper();
                           id = (Serializable) idMapper.mapToIdFromEntity(newValue);
                      }

                        auditProcess.addWorkUnit(new CollectionChangeWorkUnit(session, toEntityName, verCfg, id, newValue));
                    }

                    if (oldValue != null) {
                      String toEntityName;
            Serializable id;

                      if(oldValue instanceof HibernateProxy) {
                          HibernateProxy hibernateProxy = (HibernateProxy) oldValue;
                          toEntityName = session.bestGuessEntityName(oldValue);
                          id = hibernateProxy.getHibernateLazyInitializer().getIdentifier();
              // We've got to initialize the object as we'll read it's state anyway.
              oldValue = Tools.getTargetFromProxy(session.getFactory(), hibernateProxy);
                      } else {
                        toEntityName =  session.guessEntityName(oldValue);

              IdMapper idMapper = verCfg.getEntCfg().get(toEntityName).getIdMapper();
              id = (Serializable) idMapper.mapToIdFromEntity(oldValue);
                      }
           
                        auditProcess.addWorkUnit(new CollectionChangeWorkUnit(session, toEntityName, verCfg, id, oldValue));
                    }
                }
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Related Classes of org.hibernate.envers.entities.mapper.id.IdMapper

  • org.hibernate.envers.configuration.metadata.CollectionMetadataGenerator
  • org.hibernate.envers.configuration.metadata.ToOneRelationMetadataGenerator
  • org.hibernate.envers.entities.EntityInstantiator
  • org.hibernate.envers.event.AuditEventListener
  • org.hibernate.envers.event.BaseEnversCollectionEventListener
  • org.hibernate.envers.event.BaseEnversEventListener
  • org.hibernate.envers.strategy.ValidityAuditStrategy
  • org.hibernate.envers.strategy.ValidTimeAuditStrategy
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