Package org.hibernate.envers.entities

Examples of org.hibernate.envers.entities.RelationDescription

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     * @return A found relation description corresponding to the given entity or {@code null}, if no description can
     * be found.
     */
    private RelationDescription searchForRelationDescription(String entityName, String referencingPropertyName) {
        EntityConfiguration configuration = getAuditConfiguration().getEntCfg().get( entityName );
        RelationDescription rd = configuration.getRelationDescription(referencingPropertyName);
        if ( rd == null && configuration.getParentEntityName() != null ) {
            return searchForRelationDescription( configuration.getParentEntityName(), referencingPropertyName );
        }

        return rd;
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        }
    }

    public static RelationDescription getRelatedEntity(AuditConfiguration verCfg, String entityName,
                                                       String propertyName) throws AuditException {
        RelationDescription relationDesc = verCfg.getEntCfg().getRelationDescription(entityName, propertyName);

        if (relationDesc == null) {
            return null;
        }

        if (relationDesc.getRelationType() == RelationType.TO_ONE) {
            return relationDesc;
        }

        throw new AuditException("This type of relation (" + entityName + "." + propertyName +
                ") isn't supported and can't be used in queries.");
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    }

    public void addToQuery(AuditConfiguration auditCfg, String entityName, QueryBuilder qb, Parameters parameters) {
        String propertyName = propertyNameGetter.get(auditCfg);
       
        RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);

        if (relatedEntity == null) {
            throw new AuditException("This criterion can only be used on a property that is " +
                    "a relation to another property.");
        } else {
            relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, id, propertyName, equals);
        }
    }
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        // for the related entity is generated.
        String[] propertyNames = entityPersister.getPropertyNames();

        for (int i=0; i<propertyNames.length; i++) {
            String propertyName = propertyNames[i];
            RelationDescription relDesc = verCfg.getEntCfg().getRelationDescription(entityName, propertyName);
            if (relDesc != null && relDesc.isBidirectional() && relDesc.getRelationType() == RelationType.TO_ONE &&
                    relDesc.isInsertable()) {
                // Checking for changes
                Object oldValue = oldState == null ? null : oldState[i];
                Object newValue = newState == null ? null : newState[i];

                if (!Tools.entitiesEqual(session, relDesc.getToEntityName(), oldValue, newValue)) {
                    // We have to generate changes both in the old collection (size decreses) and new collection
                    // (size increases).
                    if (newValue != null) {
                        // relDesc.getToEntityName() doesn't always return the entity name of the value - in case
                        // of subclasses, this will be root class, no the actual class. So it can't be used here.
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            String ownerEntityName = ((AbstractCollectionPersister) collectionEntry.getLoadedPersister()).getOwnerEntityName();
            String referencingPropertyName = collectionEntry.getRole().substring(ownerEntityName.length() + 1);

            // Checking if this is not a "fake" many-to-one bidirectional relation. The relation description may be
            // null in case of collections of non-entities.
            RelationDescription rd = searchForRelationDescription(entityName, referencingPropertyName);
            if (rd != null && rd.getMappedByPropertyName() != null) {
                generateFakeBidirecationalRelationWorkUnits(auditProcess, newColl, oldColl, entityName,
                        referencingPropertyName, event, rd);
            } else {
                PersistentCollectionChangeWorkUnit workUnit = new PersistentCollectionChangeWorkUnit(event.getSession(),
                        entityName, verCfg, newColl, collectionEntry, oldColl, event.getAffectedOwnerIdOrNull(),
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     * @return A found relation description corresponding to the given entity or {@code null}, if no description can
     * be found.
     */
    private RelationDescription searchForRelationDescription(String entityName, String referencingPropertyName) {
        EntityConfiguration configuration = verCfg.getEntCfg().get(entityName);
        RelationDescription rd = configuration.getRelationDescription(referencingPropertyName);
        if (rd == null && configuration.getParentEntityName() != null) {
            return searchForRelationDescription(configuration.getParentEntityName(), referencingPropertyName);
        }

        return rd;
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    }

    public void addToQuery(AuditConfiguration auditCfg, String entityName, QueryBuilder qb, Parameters parameters) {
        String propertyName = propertyNameGetter.get(auditCfg);

        RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);

        if (relatedEntity == null) {
            parameters.addWhereWithParam(propertyName, op, value);
        } else {
            if (!"=".equals(op) && !"<>".equals(op)) {
                throw new AuditException("This type of operation: " + op + " (" + entityName + "." + propertyName +
                        ") isn't supported and can't be used in queries.");
            }

            Object id = relatedEntity.getIdMapper().mapToIdFromEntity(value);

            relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, id, propertyName, "=".equals(op));
        }
    }
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        this.propertyNameGetter = propertyNameGetter;
    }

    public void addToQuery(AuditConfiguration auditCfg, String entityName, QueryBuilder qb, Parameters parameters) {
        String propertyName = propertyNameGetter.get(auditCfg);
        RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);

        if (relatedEntity == null) {
            parameters.addWhereWithParam(propertyName, "<>", null);
        } else {
            relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, null, propertyName, false);
        }
    }
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        this.propertyNameGetter = propertyNameGetter;
    }

    public void addToQuery(AuditConfiguration auditCfg, String entityName, QueryBuilder qb, Parameters parameters) {
        String propertyName = propertyNameGetter.get(auditCfg);
        RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);

        if (relatedEntity == null) {
            parameters.addWhereWithParam(propertyName, "=", null);
        } else {
            relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, null, propertyName, true);
        }
    }
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    public void addToQuery(AuditConfiguration auditCfg, AuditReaderImplementor versionsReader, String entityName,
               QueryBuilder qb, Parameters parameters) {
    String propertyName = CriteriaTools.determinePropertyName( auditCfg, versionsReader, entityName, propertyNameGetter );

        RelationDescription relatedEntity = CriteriaTools.getRelatedEntity(auditCfg, entityName, propertyName);

        if (relatedEntity == null) {
            parameters.addWhereWithParam(propertyName, op, value);
        } else {
            if (!"=".equals(op) && !"<>".equals(op)) {
                throw new AuditException("This type of operation: " + op + " (" + entityName + "." + propertyName +
                        ") isn't supported and can't be used in queries.");
            }

            Object id = relatedEntity.getIdMapper().mapToIdFromEntity(value);

            relatedEntity.getIdMapper().addIdEqualsToQuery(parameters, id, null, "=".equals(op));
        }
    }
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Related Classes of org.hibernate.envers.entities.RelationDescription

  • org.hibernate.envers.event.AuditEventListener
  • org.hibernate.envers.event.BaseEnversCollectionEventListener
  • org.hibernate.envers.event.BaseEnversEventListener
  • org.hibernate.envers.query.criteria.CriteriaTools
  • org.hibernate.envers.query.criteria.NotNullAuditExpression
  • org.hibernate.envers.query.criteria.NullAuditExpression
  • org.hibernate.envers.query.criteria.RelatedAuditExpression
  • org.hibernate.envers.query.criteria.SimpleAuditExpression
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