Package org.hibernate.envers.tools.query

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

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

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

        StringBuilder sb = new StringBuilder();
        qb.build(sb, Collections.<String, Object>emptyMap());
        queryString = sb.toString();
    }
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  public void addEntityAtRevisionRestriction(GlobalConfiguration globalCfg, QueryBuilder rootQueryBuilder, Parameters parameters,
      String revisionProperty, String revisionEndProperty, boolean addAlias, MiddleIdData idData, String revisionPropertyPath,
      String originalIdPropertyName, String alias1, String alias2, boolean inclusive) {
    // 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, inclusive ? "<=" : "<", REVISION_PARAMETER);
        // e2.id_ref_ed = e.id_ref_ed
        idData.getOriginalMapper().addIdsEqualToQuery(maxERevQbParameters,
                alias1 + "." + originalIdPropertyName, alias2 +"." + originalIdPropertyName);
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  public void addAssociationAtRevisionRestriction(QueryBuilder rootQueryBuilder, Parameters parameters, String revisionProperty,
            String revisionEndProperty, boolean addAlias, MiddleIdData referencingIdData, String versionsMiddleEntityName,
            String eeOriginalIdPropertyPath, String revisionPropertyPath, String originalIdPropertyName, String alias1,
        boolean inclusive, MiddleComponentData... componentDatas) {
    // 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, inclusive ? "<=" : "<", 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, String entityName, String propertyName, AuditConfiguration auditCfg,
                                        PersistentCollectionChangeData persistentCollectionChangeData, Object revision) {
        final QueryBuilder qb = new QueryBuilder(persistentCollectionChangeData.getEntityName(), MIDDLE_ENTITY_ALIAS);

        final String originalIdPropName = auditCfg.getAuditEntCfg().getOriginalIdPropName();
        final Map<String, Object> originalId = (Map<String, Object>) persistentCollectionChangeData.getData().get(originalIdPropName);
    final String revisionFieldName = auditCfg.getAuditEntCfg().getRevisionFieldName();
    final String revisionTypePropName = auditCfg.getAuditEntCfg().getRevisionTypePropName();

    // Adding a parameter for each id component, except the rev number and type.
        for (Map.Entry<String, Object> originalIdEntry : originalId.entrySet()) {
            if (!revisionFieldName.equals(originalIdEntry.getKey()) && !revisionTypePropName.equals(originalIdEntry.getKey())) {
                qb.getRootParameters().addWhereWithParam(originalIdPropName + "." + originalIdEntry.getKey(),
                        true, "=", originalIdEntry.getValue());
            }
        }

    final SessionFactoryImplementor sessionFactory = ( (SessionImplementor) session ).getFactory();
    final Type propertyType = sessionFactory.getEntityPersister( entityName ).getPropertyType( propertyName );
    if ( propertyType.isCollectionType() ) {
      CollectionType collectionPropertyType = (CollectionType) propertyType;
      // Handling collection of components.
      if ( collectionPropertyType.getElementType( sessionFactory ) instanceof ComponentType ) {
        // Adding restrictions to compare data outside of primary key.
        for ( Map.Entry<String, Object> dataEntry : persistentCollectionChangeData.getData().entrySet() ) {
          if ( !originalIdPropName.equals( dataEntry.getKey() ) ) {
            qb.getRootParameters().addWhereWithParam( dataEntry.getKey(), true, "=", dataEntry.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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     *     AND
     *
     * (only non-deleted entities and associations)
     *     ee.revision_type != DEL
     */
    final QueryBuilder commonPart = commonQueryPart( versionsMiddleEntityName );
    final QueryBuilder validQuery = commonPart.deepCopy();
    final QueryBuilder removedQuery = commonPart.deepCopy();
    createValidDataRestrictions(
        auditStrategy, versionsMiddleEntityName, validQuery, validQuery.getRootParameters(), true, componentData
    );
    createValidAndRemovedDataRestrictions( auditStrategy, versionsMiddleEntityName, removedQuery, componentData );

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  /**
   * Compute common part for both queries.
   */
  private QueryBuilder commonQueryPart(String versionsMiddleEntityName) {
    // SELECT ee FROM middleEntity ee
    final QueryBuilder qb = new QueryBuilder( versionsMiddleEntityName, MIDDLE_ENTITY_ALIAS );
    qb.addProjection( null, MIDDLE_ENTITY_ALIAS, false, false );
    // WHERE
    // ee.originalId.id_ref_ing = :id_ref_ing
    referencingIdData.getPrefixedMapper().addNamedIdEqualsToQuery( qb.getRootParameters(), verEntCfg.getOriginalIdPropName(), true );
    return qb;
  }
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     *     AND
     *
     * (only non-deleted entities and associations)
     *     ee.revision_type != DEL
     */
    final QueryBuilder commonPart = commonQueryPart( referencedIdData, versionsMiddleEntityName, verEntCfg.getOriginalIdPropName() );
    final QueryBuilder validQuery = commonPart.deepCopy();
    final QueryBuilder removedQuery = commonPart.deepCopy();
    createValidDataRestrictions(
        auditStrategy, versionsMiddleEntityName, validQuery, validQuery.getRootParameters(), componentData
    );
    createValidAndRemovedDataRestrictions( auditStrategy, versionsMiddleEntityName, removedQuery, componentData );

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   */
  private QueryBuilder commonQueryPart(MiddleIdData referencedIdData, String versionsMiddleEntityName,
                     String originalIdPropertyName) {
    final String eeOriginalIdPropertyPath = MIDDLE_ENTITY_ALIAS + "." + originalIdPropertyName;
    // SELECT new list(ee) FROM middleEntity ee
    final QueryBuilder qb = new QueryBuilder( versionsMiddleEntityName, MIDDLE_ENTITY_ALIAS );
    qb.addFrom( referencedIdData.getEntityName(), REFERENCED_ENTITY_ALIAS );
    qb.addProjection( "new list", MIDDLE_ENTITY_ALIAS + ", " + REFERENCED_ENTITY_ALIAS, false, false );
    // WHERE
    final Parameters rootParameters = qb.getRootParameters();
    // ee.id_ref_ed = e.id_ref_ed
    referencedIdData.getPrefixedMapper().addIdsEqualToQuery(
        rootParameters, eeOriginalIdPropertyPath, referencedIdData.getOriginalMapper(), REFERENCED_ENTITY_ALIAS
    );
    // ee.originalId.id_ref_ing = :id_ref_ing
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     * (only non-deleted entities and associations)
     *     ee.revision_type != DEL AND
     *     e.revision_type != DEL AND
     *     f.revision_type != DEL
     */
    final QueryBuilder commonPart = commonQueryPart( referencedIdData, indexIdData, versionsMiddleEntityName, verEntCfg.getOriginalIdPropName() );
    final QueryBuilder validQuery = commonPart.deepCopy();
    final QueryBuilder removedQuery = commonPart.deepCopy();
    createValidDataRestrictions(
        globalCfg, auditStrategy, referencedIdData, versionsMiddleEntityName, validQuery,
        validQuery.getRootParameters(), true, componentData
    );
    createValidAndRemovedDataRestrictions(
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   */
  private QueryBuilder commonQueryPart(MiddleIdData referencedIdData, MiddleIdData indexIdData,
                     String versionsMiddleEntityName, String originalIdPropertyName) {
    final String eeOriginalIdPropertyPath = MIDDLE_ENTITY_ALIAS + "." + originalIdPropertyName;
    // SELECT new list(ee) FROM middleEntity ee
    final QueryBuilder qb = new QueryBuilder( versionsMiddleEntityName, MIDDLE_ENTITY_ALIAS );
    qb.addFrom( referencedIdData.getAuditEntityName(), REFERENCED_ENTITY_ALIAS );
    qb.addFrom( indexIdData.getAuditEntityName(), INDEX_ENTITY_ALIAS );
    qb.addProjection(
        "new list", MIDDLE_ENTITY_ALIAS + ", " + REFERENCED_ENTITY_ALIAS + ", " + INDEX_ENTITY_ALIAS,
        false, false
    );
    // WHERE
    final Parameters rootParameters = qb.getRootParameters();
    // ee.id_ref_ed = e.id_ref_ed
    referencedIdData.getPrefixedMapper().addIdsEqualToQuery(
        rootParameters, eeOriginalIdPropertyPath, referencedIdData.getOriginalMapper(),
        REFERENCED_ENTITY_ALIAS + "." + originalIdPropertyName
    );
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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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