public OneAuditEntityQueryGenerator(GlobalConfiguration globalCfg, AuditEntitiesConfiguration verEntCfg,
MiddleIdData referencingIdData, String referencedEntityName,
IIdMapper referencedIdMapper)
{
this.referencingIdData = referencingIdData;
/*
* The query that we need to create:
* SELECT new list(e) FROM versionsReferencedEntity e
* WHERE
* (only entities referenced by the association; id_ref_ing = id of the referencing entity)
* e.id_ref_ing = :id_ref_ing AND
* (selecting e entities at revision :revision)
* e.revision = (SELECT max(e2.revision) FROM versionsReferencedEntity e2
* WHERE e2.revision <= :revision AND e2.id = e.id) AND
* (only non-deleted entities)
* e.revision_type != DEL
*/
String revisionPropertyPath = verEntCfg.RevisionNumberPath;
String originalIdPropertyName = verEntCfg.OriginalIdPropName;
String versionsReferencedEntityName = verEntCfg.GetAuditEntityName(referencedEntityName);
// SELECT new list(e) FROM versionsEntity e
QueryBuilder qb = new QueryBuilder(versionsReferencedEntityName, "e");
qb.AddProjection("new list", "e", false, false);
// WHERE
Parameters rootParameters = qb.RootParameters;
// e.id_ref_ed = :id_ref_ed
referencingIdData.PrefixedMapper.AddNamedIdEqualsToQuery(rootParameters, null, true);
// SELECT max(e.revision) FROM versionsReferencedEntity e2
QueryBuilder maxERevQb = qb.NewSubQueryBuilder(versionsReferencedEntityName, "e2");
maxERevQb.AddProjection("max", revisionPropertyPath, false);
// WHERE
Parameters maxERevQbParameters = maxERevQb.RootParameters;
// e2.revision <= :revision
maxERevQbParameters.AddWhereWithNamedParam(revisionPropertyPath, "<=", "revision");
// e2.id = e.id
referencedIdMapper.AddIdsEqualToQuery(maxERevQbParameters,
"e." + originalIdPropertyName, "e2." + originalIdPropertyName);
// e.revision = (SELECT max(...) ...)
rootParameters.AddWhere(revisionPropertyPath, false, globalCfg.getCorrelatedSubqueryOperator(), maxERevQb);
// e.revision_type != DEL
rootParameters.AddWhereWithNamedParam(verEntCfg.RevisionTypePropName, false, "!=", "delrevisiontype");
StringBuilder sb = new StringBuilder();
qb.Build(sb, EmptyDictionary<String, object>.Instance);
queryString = sb.ToString();
}
//public AuditEntitiesConfiguration getAuditEntCfg() {
// return auditEntCfg;
//}
//public AuditSyncManager getSyncManager() {
// return auditSyncManager;
//}
//public GlobalConfiguration getGlobalCfg() {
// return globalCfg;
//}
//public EntitiesConfigurations getEntCfg() {
// return entCfg;
//}
//public RevisionInfoQueryCreator getRevisionInfoQueryCreator() {
// return revisionInfoQueryCreator;
//}
//public RevisionInfoNumberReader getRevisionInfoNumberReader() {
// return revisionInfoNumberReader;
//}
//TODO Simon @SuppressWarnings({"unchecked"})
public AuditConfiguration(NHibernate.Cfg.Configuration cfg) {
IDictionary<string,string> properties = cfg.Properties;
//ReflectionManager reflectionManager = ((AnnotationConfiguration) cfg).getReflectionManager();
RevisionInfoConfiguration revInfoCfg = new RevisionInfoConfiguration();
RevisionInfoConfigurationResult revInfoCfgResult = revInfoCfg.configure(cfg);
AuditEntCfg = new AuditEntitiesConfiguration(properties, revInfoCfgResult.RevisionInfoEntityName);
GlobalCfg = new GlobalConfiguration(properties);
AuditSyncManager = new AuditSyncManager(revInfoCfgResult.RevisionInfoGenerator);
RevisionInfoQueryCreator = revInfoCfgResult.RevisionInfoQueryCreator;
RevisionInfoNumberReader = revInfoCfgResult.RevisionInfoNumberReader;
EntCfg = new EntitiesConfigurator().Configure(cfg, GlobalCfg, AuditEntCfg,
revInfoCfgResult.RevisionInfoXmlMapping, revInfoCfgResult.RevisionInfoRelationMapping);
}
public static void AddEntityAtRevision(GlobalConfiguration globalCfg, QueryBuilder qb, Parameters rootParameters,
MiddleIdData idData, String revisionPropertyPath, String originalIdPropertyName,
String alias1, String alias2)
{
// SELECT max(e.revision) FROM versionsReferencedEntity e2
QueryBuilder maxERevQb = qb.NewSubQueryBuilder(idData.AuditEntityName, alias2);
maxERevQb.AddProjection("max", revisionPropertyPath, false);
// WHERE
Parameters 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);
// e.revision = (SELECT max(...) ...)
rootParameters.AddWhere("e." + revisionPropertyPath, false, globalCfg.getCorrelatedSubqueryOperator(), maxERevQb);
}
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 ThreeEntityQueryGenerator(GlobalConfiguration globalCfg,
AuditEntitiesConfiguration verEntCfg,
String versionsMiddleEntityName,
MiddleIdData referencingIdData,
MiddleIdData referencedIdData,
MiddleIdData indexIdData,
IEnumerable<MiddleComponentData> componentDatas)
{
this.referencingIdData = referencingIdData;
/*
* The query that we need to create:
* SELECT new list(ee, e, f) FROM versionsReferencedEntity e, versionsIndexEntity f, middleEntity ee
* WHERE
* (entities referenced by the middle table; id_ref_ed = id of the referenced entity)
* ee.id_ref_ed = e.id_ref_ed AND
* (entities referenced by the middle table; id_ref_ind = id of the index entity)
* ee.id_ref_ind = f.id_ref_ind AND
* (only entities referenced by the association; id_ref_ing = id of the referencing entity)
* ee.id_ref_ing = :id_ref_ing AND
* (selecting e entities at revision :revision)
* e.revision = (SELECT max(e2.revision) FROM versionsReferencedEntity e2
* WHERE e2.revision <= :revision AND e2.id_ref_ed = e.id_ref_ed) AND
* (selecting f entities at revision :revision)
* f.revision = (SELECT max(f2.revision) FROM versionsIndexEntity f2
* WHERE f2.revision <= :revision AND f2.id_ref_ed = f.id_ref_ed) AND
* (the association at revision :revision)
* ee.revision = (SELECT max(ee2.revision) FROM middleEntity ee2
* WHERE ee2.revision <= :revision AND ee2.originalId.* = ee.originalId.*) AND
* (only non-deleted entities and associations)
* ee.revision_type != DEL AND
* e.revision_type != DEL AND
* f.revision_type != DEL
*/
String revisionPropertyPath = verEntCfg.RevisionNumberPath;
String originalIdPropertyName = verEntCfg.OriginalIdPropName;
String eeOriginalIdPropertyPath = "ee." + originalIdPropertyName;
// SELECT new list(ee) FROM middleEntity ee
QueryBuilder qb = new QueryBuilder(versionsMiddleEntityName, "ee");
qb.AddFrom(referencedIdData.AuditEntityName, "e");
qb.AddFrom(indexIdData.AuditEntityName, "f");
qb.AddProjection("new list", "ee, e, f", false, false);
// WHERE
Parameters rootParameters = qb.RootParameters;
// ee.id_ref_ed = e.id_ref_ed
referencedIdData.PrefixedMapper.AddIdsEqualToQuery(rootParameters, eeOriginalIdPropertyPath,
referencedIdData.OriginalMapper, "e." + originalIdPropertyName);
// ee.id_ref_ind = f.id_ref_ind
indexIdData.PrefixedMapper.AddIdsEqualToQuery(rootParameters, eeOriginalIdPropertyPath,
indexIdData.OriginalMapper, "f." + originalIdPropertyName);
// ee.originalId.id_ref_ing = :id_ref_ing
referencingIdData.PrefixedMapper.AddNamedIdEqualsToQuery(rootParameters, originalIdPropertyName, true);
// e.revision = (SELECT max(...) ...)
QueryGeneratorTools.AddEntityAtRevision(globalCfg, qb, rootParameters, referencedIdData, revisionPropertyPath,
originalIdPropertyName, "e", "e2");
// f.revision = (SELECT max(...) ...)
QueryGeneratorTools.AddEntityAtRevision(globalCfg, qb, rootParameters, indexIdData, revisionPropertyPath,
originalIdPropertyName, "f", "f2");
// ee.revision = (SELECT max(...) ...)
QueryGeneratorTools.AddAssociationAtRevision(qb, rootParameters, referencingIdData, versionsMiddleEntityName,
eeOriginalIdPropertyPath, revisionPropertyPath, originalIdPropertyName, componentDatas);
// ee.revision_type != DEL
rootParameters.AddWhereWithNamedParam(verEntCfg.RevisionTypePropName, "!=", "delrevisiontype");
// e.revision_type != DEL
rootParameters.AddWhereWithNamedParam("e." + verEntCfg.RevisionTypePropName, false, "!=", "delrevisiontype");
// f.revision_type != DEL
rootParameters.AddWhereWithNamedParam("f." + verEntCfg.RevisionTypePropName, false, "!=", "delrevisiontype");
StringBuilder sb = new StringBuilder();
qb.Build(sb, EmptyDictionary<String, Object>.Instance);
queryString = sb.ToString();
}
public EntitiesConfigurations Configure(NHibernate.Cfg.Configuration cfg,
GlobalConfiguration globalCfg, AuditEntitiesConfiguration verEntCfg,
XmlDocument revisionInfoXmlMapping, XmlElement revisionInfoRelationMapping)
{
// Creating a name register to capture all audit entity names created.
AuditEntityNameRegister auditEntityNameRegister = new AuditEntityNameRegister();
//XmlWriter writer = new XmlTextWriter(..
// Sorting the persistent class topologically - superclass always before subclass
IEnumerator<PersistentClass> classes = GraphTopologicalSort.Sort<PersistentClass, String>(new PersistentClassGraphDefiner(cfg)).GetEnumerator();
ClassesAuditingData classesAuditingData = new ClassesAuditingData();
IDictionary<PersistentClass, EntityXmlMappingData> xmlMappings = new Dictionary<PersistentClass, EntityXmlMappingData>();
// Reading metadata from annotations
while (classes.MoveNext()) {
PersistentClass pc = classes.Current;
// Collecting information from annotations on the persistent class pc
AnnotationsMetadataReader annotationsMetadataReader =
new AnnotationsMetadataReader(globalCfg, pc);
ClassAuditingData auditData = annotationsMetadataReader.AuditData;
classesAuditingData.AddClassAuditingData(pc, auditData);
}
// Now that all information is read we can update the calculated fields.
classesAuditingData.UpdateCalculatedFields();
AuditMetadataGenerator auditMetaGen = new AuditMetadataGenerator(cfg, globalCfg, verEntCfg,
revisionInfoRelationMapping, auditEntityNameRegister, classesAuditingData);
// First pass
foreach (KeyValuePair<PersistentClass, ClassAuditingData> pcDatasEntry in classesAuditingData.GetAllClassAuditedData())
{
PersistentClass pc = pcDatasEntry.Key;
ClassAuditingData auditData = pcDatasEntry.Value;
EntityXmlMappingData xmlMappingData = new EntityXmlMappingData();
if (auditData.IsAudited()) {
if (!String.IsNullOrEmpty(auditData.AuditTable.value)){ // .getAuditTable().value())) {
verEntCfg.AddCustomAuditTableName(pc.EntityName, auditData.AuditTable.value);
}
auditMetaGen.GenerateFirstPass(pc, auditData, xmlMappingData, true);
} else {
auditMetaGen.GenerateFirstPass(pc, auditData, xmlMappingData, false);
}
xmlMappings.Add(pc, xmlMappingData);
}
// Second pass
foreach (KeyValuePair<PersistentClass, ClassAuditingData> pcDatasEntry in classesAuditingData.GetAllClassAuditedData())
{
EntityXmlMappingData xmlMappingData = xmlMappings[pcDatasEntry.Key];
if (pcDatasEntry.Value.IsAudited()) {
auditMetaGen.GenerateSecondPass(pcDatasEntry.Key, pcDatasEntry.Value, xmlMappingData);
try {
//cfg.AddDocument(writer.write(xmlMappingData.MainXmlMapping));
cfg.AddDocument(xmlMappingData.MainXmlMapping);
//WriteDocument(xmlMappingData.getMainXmlMapping());
foreach (XmlDocument additionalMapping in xmlMappingData.AdditionalXmlMappings) {
//cfg.AddDocument(writer.write(additionalMapping));
cfg.AddDocument(additionalMapping);
//WriteDocument(additionalMapping);
}
}
catch (MappingException e)
{ //catch (DocumentException e) { //?Catalina DocumentException NOT IMPLEMENTED
throw new MappingException(e);
}
}
}
// Only if there are any versioned classes
if (classesAuditingData.GetAllClassAuditedData().Count > 0)
{
try {
if (revisionInfoXmlMapping != null) {
//WriteDocument(revisionInfoXmlMapping);
//cfg.addDocument(writer.write(revisionInfoXmlMapping));
cfg.AddDocument((revisionInfoXmlMapping));
}
}
catch (MappingException e)
{ //catch (DocumentException e) { //?Catalina
throw new MappingException(e);
}
}
return new EntitiesConfigurations(auditMetaGen.EntitiesConfigurations,
auditMetaGen.NotAuditedEntitiesConfigurations);
}
public TwoEntityQueryGenerator(GlobalConfiguration globalCfg,
AuditEntitiesConfiguration verEntCfg,
IAuditStrategy auditStrategy,
string versionsMiddleEntityName,
MiddleIdData referencingIdData,
MiddleIdData referencedIdData,
IEnumerable<MiddleComponentData> componentDatas)
{
this.referencingIdData = referencingIdData;
/*
* The query that we need to create:
* SELECT new list(ee, e) FROM versionsReferencedEntity e, middleEntity ee
* WHERE
* (entities referenced by the middle table; id_ref_ed = id of the referenced entity)
* ee.id_ref_ed = e.id_ref_ed AND
* (only entities referenced by the association; id_ref_ing = id of the referencing entity)
* ee.id_ref_ing = :id_ref_ing 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 ValidTimeAuditStrategy:
* e.revision <= :revision and (e.endRevision > :revision or e.endRevision is null)
*
* (the association at revision :revision)
* --> for DefaultAuditStrategy:
* ee.revision = (SELECT max(ee2.revision) FROM middleEntity ee2
* WHERE ee2.revision <= :revision AND ee2.originalId.* = ee.originalId.*)
* --> for ValidityAuditStrategy:
* ee.revision <= :revision and (ee.endRevision > :revision or ee.endRevision is null)
*
* AND
*
* (only non-deleted entities and associations)
* ee.revision_type != DEL AND
* e.revision_type != DEL
*/
var revisionPropertyPath = verEntCfg.RevisionNumberPath;
var originalIdPropertyName = verEntCfg.OriginalIdPropName;
var eeOriginalIdPropertyPath = "ee." + originalIdPropertyName;
// SELECT new list(ee) FROM middleEntity ee
var qb = new QueryBuilder(versionsMiddleEntityName, "ee");
qb.AddFrom(referencedIdData.AuditEntityName, "e");
qb.AddProjection("new list", "ee, e", false, false);
// WHERE
var rootParameters = qb.RootParameters;
// ee.id_ref_ed = e.id_ref_ed
referencedIdData.PrefixedMapper.AddIdsEqualToQuery(rootParameters, eeOriginalIdPropertyPath,
referencedIdData.OriginalMapper, "e." + originalIdPropertyName);
// ee.originalId.id_ref_ing = :id_ref_ing
referencingIdData.PrefixedMapper.AddNamedIdEqualsToQuery(rootParameters, originalIdPropertyName, true);
// (selecting e entities at revision :revision)
// --> based on auditStrategy (see above)
auditStrategy.AddEntityAtRevisionRestriction(globalCfg, qb, "e." + revisionPropertyPath,
"e." + verEntCfg.RevisionEndFieldName, false,
referencedIdData, revisionPropertyPath, originalIdPropertyName, "e", "e2");
// (with ee association at revision :revision)
// --> based on auditStrategy (see above)
auditStrategy.AddAssociationAtRevisionRestriction(qb, revisionPropertyPath,
verEntCfg.RevisionEndFieldName, true, referencingIdData,
versionsMiddleEntityName,
eeOriginalIdPropertyPath, revisionPropertyPath,
originalIdPropertyName, componentDatas.ToArray());
// ee.revision_type != DEL
rootParameters.AddWhereWithNamedParam(verEntCfg.RevisionTypePropName, "!=", "delrevisiontype");
// e.revision_type != DEL
rootParameters.AddWhereWithNamedParam("e." + verEntCfg.RevisionTypePropName, false, "!=", "delrevisiontype");
var sb = new StringBuilder();
qb.Build(sb, null);
queryString = sb.ToString();
}