Package org.hibernate.envers.tools.query

Examples of org.hibernate.envers.tools.query.QueryBuilder

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        entityInstantiator = new EntityInstantiator(verCfg, versionsReader);

        entityName = cls.getName();
        versionsEntityName = verCfg.getAuditEntCfg().getAuditEntityName(entityName);

        qb = new QueryBuilder(versionsEntityName, "e");
    }
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          e.revision_type != DEL AND
          e.revision = (SELECT max(e2.revision) FROM ent_ver e2 WHERE
            e2.revision <= :revision AND e2.originalId.id = e.originalId.id)
         */

        QueryBuilder maxRevQb = qb.newSubQueryBuilder(versionsEntityName, "e2");

        AuditEntitiesConfiguration verEntCfg = verCfg.getAuditEntCfg();

        String revisionPropertyPath = verEntCfg.getRevisionNumberPath();
        String originalIdPropertyName = verEntCfg.getOriginalIdPropName();

        // SELECT max(e2.revision)
        maxRevQb.addProjection("max", revisionPropertyPath, false);
        // e2.revision <= :revision
        maxRevQb.getRootParameters().addWhereWithParam(revisionPropertyPath, "<=", revision);
        // e2.id = e.id
        verCfg.getEntCfg().get(entityName).getIdMapper().addIdsEqualToQuery(maxRevQb.getRootParameters(),
                "e." + originalIdPropertyName, "e2." + originalIdPropertyName);

        // e.revision_type != DEL AND
        qb.getRootParameters().addWhereWithParam(verEntCfg.getRevisionTypePropName(), "<>", RevisionType.DEL);
        // e.revision = (SELECT max(...) ...)
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        String propertyName = propertyNameGetter.get(auditCfg);

        CriteriaTools.checkPropertyNotARelation(auditCfg, entityName, propertyName);

        // This will be the aggregated query, containing all the specified conditions
        QueryBuilder subQb = qb.newSubQueryBuilder();

        // Adding all specified conditions both to the main query, as well as to the
        // aggregated one.
        for (AuditCriterion versionsCriteria : criterions) {
            versionsCriteria.addToQuery(auditCfg, entityName, qb, parameters);
            versionsCriteria.addToQuery(auditCfg, entityName, subQb, subQb.getRootParameters());
        }

        // Setting the desired projection of the aggregated query
        switch (mode) {
            case MIN:
                subQb.addProjection("min", propertyName, false);
                break;
            case MAX:
                subQb.addProjection("max", propertyName, false);
        }

        // Adding the constrain on the result of the aggregated criteria
        parameters.addWhere(propertyName, "=", subQb);
    }
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        String originalIdPropertyName = verEntCfg.getOriginalIdPropName();

        String eeOriginalIdPropertyPath = MIDDLE_ENTITY_ALIAS + "." + originalIdPropertyName;

        // SELECT new list(ee) FROM middleEntity ee
        QueryBuilder qb = new QueryBuilder(versionsMiddleEntityName, MIDDLE_ENTITY_ALIAS);
        qb.addFrom(referencedIdData.getAuditEntityName(), REFERENCED_ENTITY_ALIAS);
        qb.addProjection("new list", MIDDLE_ENTITY_ALIAS + ", " + REFERENCED_ENTITY_ALIAS, false, false);
        // WHERE
        Parameters rootParameters = qb.getRootParameters();
        // ee.id_ref_ed = e.id_ref_ed
        referencedIdData.getPrefixedMapper().addIdsEqualToQuery(rootParameters, eeOriginalIdPropertyPath,
            referencedIdData.getOriginalMapper(), REFERENCED_ENTITY_ALIAS + "." + originalIdPropertyName);
        // ee.originalId.id_ref_ing = :id_ref_ing
        referencingIdData.getPrefixedMapper().addNamedIdEqualsToQuery(rootParameters, originalIdPropertyName, true);

        // (selecting e entities at revision :revision)
        // --> based on auditStrategy (see above)
        auditStrategy.addEntityAtRevisionRestriction(globalCfg, qb, REFERENCED_ENTITY_ALIAS + "." + revisionPropertyPath,
            REFERENCED_ENTITY_ALIAS + "." + verEntCfg.getRevisionEndFieldName(), false,
            referencedIdData, revisionPropertyPath, originalIdPropertyName, REFERENCED_ENTITY_ALIAS, REFERENCED_ENTITY_ALIAS_DEF_AUD_STR);

        // (with ee association at revision :revision)
        // --> based on auditStrategy (see above)
        auditStrategy.addAssociationAtRevisionRestriction(qb, revisionPropertyPath,
            verEntCfg.getRevisionEndFieldName(), true, referencingIdData, versionsMiddleEntityName,
            eeOriginalIdPropertyPath, revisionPropertyPath, originalIdPropertyName, componentDatas);

        // ee.revision_type != DEL
        rootParameters.addWhereWithNamedParam(verEntCfg.getRevisionTypePropName(), "!=", DEL_REVISION_TYPE_PARAMETER);
        // e.revision_type != DEL
        rootParameters.addWhereWithNamedParam(REFERENCED_ENTITY_ALIAS + "." + verEntCfg.getRevisionTypePropName(), false, "!=", DEL_REVISION_TYPE_PARAMETER);

        StringBuilder sb = new StringBuilder();
        qb.build(sb, Collections.<String, Object>emptyMap());
        queryString = sb.toString();
    }
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        String originalIdPropertyName = verEntCfg.getOriginalIdPropName();

        String versionsReferencedEntityName = verEntCfg.getAuditEntityName(referencedEntityName);

        // SELECT e FROM versionsEntity e
        QueryBuilder qb = new QueryBuilder(versionsReferencedEntityName, REFERENCED_ENTITY_ALIAS);
        qb.addProjection(null, REFERENCED_ENTITY_ALIAS, false, false);
        // WHERE
        Parameters rootParameters = qb.getRootParameters();
        // e.id_ref_ed = :id_ref_ed
        referencingIdData.getPrefixedMapper().addNamedIdEqualsToQuery(rootParameters, null, true);

        // (selecting e entities at revision :revision)
        // --> based on auditStrategy (see above)
        auditStrategy.addEntityAtRevisionRestriction(globalCfg, qb, revisionPropertyPath,
            verEntCfg.getRevisionEndFieldName(), true, referencedIdData,
        revisionPropertyPath, originalIdPropertyName, REFERENCED_ENTITY_ALIAS, REFERENCED_ENTITY_ALIAS_DEF_AUD_STR);

        // e.revision_type != DEL
        rootParameters.addWhereWithNamedParam(verEntCfg.getRevisionTypePropName(), false, "!=", DEL_REVISION_TYPE_PARAMETER);

        StringBuilder sb = new StringBuilder();
        qb.build(sb, Collections.<String, Object>emptyMap());
        queryString = sb.toString();
    }
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         */
        String revisionPropertyPath = verEntCfg.getRevisionNumberPath();
        String originalIdPropertyName = verEntCfg.getOriginalIdPropName();

        // SELECT ee FROM middleEntity ee
        QueryBuilder qb = new QueryBuilder(versionsMiddleEntityName, MIDDLE_ENTITY_ALIAS);
        qb.addProjection(null, MIDDLE_ENTITY_ALIAS, false, false);
        // WHERE
        Parameters rootParameters = qb.getRootParameters();
        // ee.originalId.id_ref_ing = :id_ref_ing
        referencingIdData.getPrefixedMapper().addNamedIdEqualsToQuery(rootParameters, originalIdPropertyName, true);
       
        String eeOriginalIdPropertyPath = MIDDLE_ENTITY_ALIAS + "." + originalIdPropertyName;

        // (with ee association at revision :revision)
        // --> based on auditStrategy (see above)
        auditStrategy.addAssociationAtRevisionRestriction(qb, revisionPropertyPath,
             verEntCfg.getRevisionEndFieldName(), true,referencingIdData, versionsMiddleEntityName,
             eeOriginalIdPropertyPath, revisionPropertyPath, originalIdPropertyName, componentDatas);
        
        // ee.revision_type != DEL
        rootParameters.addWhereWithNamedParam(verEntCfg.getRevisionTypePropName(), "!=", DEL_REVISION_TYPE_PARAMETER);

        StringBuilder sb = new StringBuilder();
        qb.build(sb, Collections.<String, Object>emptyMap());
        queryString = sb.toString();
    }
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      String originalIdPropertyName, String alias1, String alias2) {
    Parameters rootParameters = rootQueryBuilder.getRootParameters();
   
    // create a subquery builder
        // SELECT max(e.revision) FROM versionsReferencedEntity e2
        QueryBuilder maxERevQb = rootQueryBuilder.newSubQueryBuilder(idData.getAuditEntityName(), alias2);
        maxERevQb.addProjection("max", revisionPropertyPath, false);
        // WHERE
        Parameters maxERevQbParameters = maxERevQb.getRootParameters();
        // e2.revision <= :revision
        maxERevQbParameters.addWhereWithNamedParam(revisionPropertyPath, "<=", REVISION_PARAMETER);
        // e2.id_ref_ed = e.id_ref_ed
        idData.getOriginalMapper().addIdsEqualToQuery(maxERevQbParameters,
                alias1 + "." + originalIdPropertyName, alias2 +"." + originalIdPropertyName);
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            String eeOriginalIdPropertyPath, String revisionPropertyPath,
            String originalIdPropertyName, MiddleComponentData... componentDatas) {
    Parameters rootParameters = rootQueryBuilder.getRootParameters();

      // SELECT max(ee2.revision) FROM middleEntity ee2
        QueryBuilder maxEeRevQb = rootQueryBuilder.newSubQueryBuilder(versionsMiddleEntityName, MIDDLE_ENTITY_ALIAS_DEF_AUD_STR);
        maxEeRevQb.addProjection("max", revisionPropertyPath, false);
        // WHERE
        Parameters maxEeRevQbParameters = maxEeRevQb.getRootParameters();
        // ee2.revision <= :revision
        maxEeRevQbParameters.addWhereWithNamedParam(revisionPropertyPath, "<=", REVISION_PARAMETER);
        // ee2.originalId.* = ee.originalId.*
        String ee2OriginalIdPropertyPath = MIDDLE_ENTITY_ALIAS_DEF_AUD_STR + "." + originalIdPropertyName;
        referencingIdData.getPrefixedMapper().addIdsEqualToQuery(maxEeRevQbParameters, eeOriginalIdPropertyPath, ee2OriginalIdPropertyPath);
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  }

    @SuppressWarnings({"unchecked"})
    public void performCollectionChange(Session session, AuditConfiguration auditCfg,
                                        PersistentCollectionChangeData persistentCollectionChangeData, Object revision) {
        final QueryBuilder qb = new QueryBuilder(persistentCollectionChangeData.getEntityName(), MIDDLE_ENTITY_ALIAS);

        // Adding a parameter for each id component, except the rev number
        final String originalIdPropName = auditCfg.getAuditEntCfg().getOriginalIdPropName();
        final Map<String, Object> originalId = (Map<String, Object>) persistentCollectionChangeData.getData().get(
                originalIdPropName);
        for (Map.Entry<String, Object> originalIdEntry : originalId.entrySet()) {
            if (!auditCfg.getAuditEntCfg().getRevisionFieldName().equals(originalIdEntry.getKey())) {
                qb.getRootParameters().addWhereWithParam(originalIdPropName + "." + originalIdEntry.getKey(),
                        true, "=", originalIdEntry.getValue());
            }
        }

        addEndRevisionNullRestriction(auditCfg, qb.getRootParameters());

        final List<Object> l = qb.toQuery(session).setLockOptions(LockOptions.UPGRADE).list();

        // Update the last revision if one exists.
        // HHH-5967: with collections, the same element can be added and removed multiple times. So even if it's an
        // ADD, we may need to update the last revision.
        if (l.size() > 0) {
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        String originalIdPropertyName = verEntCfg.getOriginalIdPropName();

        String versionsReferencedEntityName = verEntCfg.getAuditEntityName(referencedEntityName);

        // SELECT e FROM versionsEntity e
        QueryBuilder qb = new QueryBuilder(versionsReferencedEntityName, "e");
        qb.addProjection(null, "e", false, false);
        // WHERE
        Parameters rootParameters = qb.getRootParameters();
        // e.id_ref_ed = :id_ref_ed
        referencingIdData.getPrefixedMapper().addNamedIdEqualsToQuery(rootParameters, null, true);

        // (selecting e entities at revision :revision)
        // --> based on auditStrategy (see above)
        auditStrategy.addEntityAtRevisionRestriction(globalCfg, qb, revisionPropertyPath,
            verEntCfg.getRevisionEndFieldName(), true, referencedIdData,
        revisionPropertyPath, originalIdPropertyName, "e", "e2");

        // e.revision_type != DEL
        rootParameters.addWhereWithNamedParam(verEntCfg.getRevisionTypePropName(), false, "!=", "delrevisiontype");

        StringBuilder sb = new StringBuilder();
        qb.build(sb, Collections.<String, Object>emptyMap());
        queryString = sb.toString();
    }
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Related Classes of org.hibernate.envers.tools.query.QueryBuilder

  • org.hibernate.envers.entities.mapper.relation.query.OneAuditEntityQueryGenerator
  • org.hibernate.envers.entities.mapper.relation.query.OneEntityQueryGenerator
  • org.hibernate.envers.entities.mapper.relation.query.QueryGeneratorTools
  • org.hibernate.envers.entities.mapper.relation.query.ThreeEntityQueryGenerator
  • org.hibernate.envers.entities.mapper.relation.query.TwoEntityOneAuditedQueryGenerator
  • org.hibernate.envers.entities.mapper.relation.query.TwoEntityQueryGenerator
  • org.hibernate.envers.query.criteria.AggregatedAuditExpression
  • org.hibernate.envers.query.impl.AbstractAuditQuery
  • org.hibernate.envers.query.impl.EntitiesAtRevisionQuery
  • org.hibernate.envers.strategy.DefaultAuditStrategy
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