Examples with MiddleMapKeyPropertyComponentMapper org.hibernate.envers.internal.entities.mapper.relation.component.MiddleMapKeyPropertyComponentMapper used on opensource projects

Example 1 with MiddleMapKeyPropertyComponentMapper

use of org.hibernate.envers.internal.entities.mapper.relation.component.MiddleMapKeyPropertyComponentMapper in project hibernate-orm by hibernate.

the class CollectionMetadataGenerator method addIndex.

private MiddleComponentData addIndex(Element middleEntityXml, QueryGeneratorBuilder queryGeneratorBuilder) {
    if (propertyValue instanceof IndexedCollection) {
        final IndexedCollection indexedValue = (IndexedCollection) propertyValue;
        final String mapKey = propertyAuditingData.getMapKey();
        if (mapKey == null) {
            // This entity doesn't specify a javax.persistence.MapKey. Mapping it to the middle entity.
            return addValueToMiddleTable(indexedValue.getIndex(), middleEntityXml, queryGeneratorBuilder, "mapkey", null, true);
        } else {
            final IdMappingData referencedIdMapping = mainGenerator.getEntitiesConfigurations().get(referencedEntityName).getIdMappingData();
            final int currentIndex = queryGeneratorBuilder == null ? 0 : queryGeneratorBuilder.getCurrentIndex();
            if ("".equals(mapKey)) {
                // The key of the map is the id of the entity.
                return new MiddleComponentData(new MiddleMapKeyIdComponentMapper(mainGenerator.getVerEntCfg(), referencedIdMapping.getIdMapper()), currentIndex);
            } else {
                // The key of the map is a property of the entity.
                return new MiddleComponentData(new MiddleMapKeyPropertyComponentMapper(mapKey, propertyAuditingData.getAccessType()), currentIndex);
            }
        }
    } else {
        // No index - creating a dummy mapper.
        return new MiddleComponentData(new MiddleDummyComponentMapper(), 0);
    }
}