public void AddAssociationAtRevisionRestriction(QueryBuilder rootQueryBuilder,
string revisionProperty,
string revisionEndProperty,
bool addAlias,
MiddleIdData referencingIdData,
string versionsMiddleEntityName,
string eeOriginalIdPropertyPath,
string revisionPropertyPath,
string originalIdPropertyName,
params MiddleComponentData[] componentDatas)
{
var rootParameters = rootQueryBuilder.RootParameters;
// SELECT max(ee2.revision) FROM middleEntity ee2
var maxEeRevQb = rootQueryBuilder.NewSubQueryBuilder(versionsMiddleEntityName, "ee2");
maxEeRevQb.AddProjection("max", revisionPropertyPath, false);
// WHERE
var maxEeRevQbParameters = maxEeRevQb.RootParameters;
// ee2.revision <= :revision
maxEeRevQbParameters.AddWhereWithNamedParam(revisionPropertyPath, "<=", "revision");
// ee2.originalId.* = ee.originalId.*
var ee2OriginalIdPropertyPath = "ee2." + originalIdPropertyName;
referencingIdData.PrefixedMapper.AddIdsEqualToQuery(maxEeRevQbParameters, eeOriginalIdPropertyPath, ee2OriginalIdPropertyPath);
foreach (var componentData in componentDatas)
{
componentData.ComponentMapper.AddMiddleEqualToQuery(maxEeRevQbParameters, eeOriginalIdPropertyPath, ee2OriginalIdPropertyPath);
}
// add subquery to rootParameters
rootParameters.AddWhere(revisionProperty, addAlias, "=", maxEeRevQb);
}
public CommonCollectionMapperData(AuditEntitiesConfiguration verEntCfg, String versionsMiddleEntityName,
PropertyData collectionReferencingPropertyData, MiddleIdData referencingIdData,
IRelationQueryGenerator queryGenerator) {
this._verEntCfg = verEntCfg;
this._versionsMiddleEntityName = versionsMiddleEntityName;
this._collectionReferencingPropertyData = collectionReferencingPropertyData;
this._referencingIdData = referencingIdData;
this._queryGenerator = queryGenerator;
}
protected override void FillResult(IList result)
{
/*
* The query that we need to create:
* SELECT new list(e) FROM versionsReferencedEntity e
* WHERE
* (all specified conditions, transformed, on the "e" entity) AND
* (selecting e entities at revision :revision)
* --> for DefaultAuditStrategy:
* e.revision = (SELECT max(e2.revision) FROM versionsReferencedEntity e2
* WHERE e2.revision <= :revision AND e2.id = e.id)
*
* --> for ValidityAuditStrategy:
* e.revision <= :revision and (e.endRevision > :revision or e.endRevision is null)
*
* AND
* (only non-deleted entities)
* e.revision_type != DEL
*/
var verEntCfg = VerCfg.AuditEntCfg;
var revisionPropertyPath = verEntCfg.RevisionNumberPath;
var originalIdPropertyName = verEntCfg.OriginalIdPropName;
var referencedIdData = new MiddleIdData(verEntCfg, VerCfg.EntCfg[EntityName].IdMappingData,
null, EntityName, VerCfg.EntCfg.IsVersioned(EntityName));
// (selecting e entities at revision :revision)
// --> based on auditStrategy (see above)
VerCfg.AuditStrategy.AddEntityAtRevisionRestriction(VerCfg.GlobalCfg, QueryBuilder, revisionPropertyPath,
verEntCfg.RevisionEndFieldName, true, referencedIdData,
revisionPropertyPath, originalIdPropertyName, "e", "e2");
// e.revision_type != DEL
QueryBuilder.RootParameters.AddWhereWithParam(verEntCfg.RevisionTypePropName, "<>", RevisionType.Deleted);
// all specified conditions
foreach (var criterion in Criterions)
{
criterion.AddToQuery(VerCfg, EntityName, QueryBuilder, QueryBuilder.RootParameters);
}
var query = BuildQuery();
// add named parameter (only used for ValidAuditTimeStrategy)
if (query.NamedParameters.Contains("revision"))
{
query.SetParameter("revision", _revision);
}
if (HasProjection)
{
query.List(result);
return;
}
var queryResult = new List<IDictionary>();
query.List(queryResult);
EntityInstantiator.AddInstancesFromVersionsEntities(EntityName, result, queryResult, _revision);
}
public CommonCollectionMapperData(AuditEntitiesConfiguration verEntCfg, string versionsMiddleEntityName,
PropertyData collectionReferencingPropertyData, MiddleIdData referencingIdData,
IRelationQueryGenerator queryGenerator)
{
VerEntCfg = verEntCfg;
VersionsMiddleEntityName = versionsMiddleEntityName;
CollectionReferencingPropertyData = collectionReferencingPropertyData;
ReferencingIdData = referencingIdData;
QueryGenerator = queryGenerator;
}
public QueryGeneratorBuilder(GlobalConfiguration globalCfg, AuditEntitiesConfiguration verEntCfg,
MiddleIdData referencingIdData, String auditMiddleEntityName)
{
this._globalCfg = globalCfg;
this._verEntCfg = verEntCfg;
this._referencingIdData = referencingIdData;
this._auditMiddleEntityName = auditMiddleEntityName;
_idDatas = new List<MiddleIdData>();
}
public QueryGeneratorBuilder(GlobalConfiguration globalCfg, AuditEntitiesConfiguration verEntCfg, IAuditStrategy auditStrategy,
MiddleIdData referencingIdData, string auditMiddleEntityName)
{
_globalCfg = globalCfg;
_verEntCfg = verEntCfg;
_auditStrategy = auditStrategy;
_referencingIdData = referencingIdData;
_auditMiddleEntityName = auditMiddleEntityName;
_idDatas = new List<MiddleIdData>();
}
public void AddEntityAtRevisionRestriction(GlobalConfiguration globalCfg, QueryBuilder rootQueryBuilder, string revisionProperty, string revisionEndProperty, bool addAlias, MiddleIdData idData, string revisionPropertyPath, string originalIdPropertyName, string alias1, string alias2)
{
var rootParameters = rootQueryBuilder.RootParameters;
// create a subquery builder
// SELECT max(e.revision) FROM versionsReferencedEntity e2
var maxERevQb = rootQueryBuilder.NewSubQueryBuilder(idData.AuditEntityName, alias2);
maxERevQb.AddProjection("max", revisionPropertyPath, false);
// WHERE
var maxERevQbParameters = maxERevQb.RootParameters;
// e2.revision <= :revision
maxERevQbParameters.AddWhereWithNamedParam(revisionPropertyPath, "<=", "revision");
// e2.id_ref_ed = e.id_ref_ed
idData.OriginalMapper.AddIdsEqualToQuery(maxERevQbParameters,
alias1 + "." + originalIdPropertyName, alias2 + "." + originalIdPropertyName);
// add subquery to rootParameters
var subqueryOperator = globalCfg.CorrelatedSubqueryOperator;
rootParameters.AddWhere(revisionProperty, addAlias, subqueryOperator, maxERevQb);
}
public void AddRelation(MiddleIdData idData)
{
_idDatas.Add(idData);
}