private void DoStore(IStorable storable, IAuditMetadata auditMeta)
{
AuditOperation operation = AuditOperation.UPDATE;
// ensure db id
StorableDocument doc = (StorableDocument)storable;
long dbId = doc.DbId is long?(long)doc.DbId : -1;
if (dbId == -1)
{
dbId = ++lastDbId;
storable.SetData("dbId", dbId);
}
IDictionary <string, object> document = new Dictionary <string, object>();
if (documents.ContainsKey(dbId))
{
documents[dbId].Document.ToList().ForEach(kvp => document[kvp.Key] = kvp.Value);
}
else
{
operation = AuditOperation.INSERT;
}
doc.Document.ToList().ForEach(kvp => document[kvp.Key] = kvp.Value);
doc = new StorableDocument(doc.Categories, null);
doc.Document = document;
documents[dbId] = doc;
AuditRecord audit = NewAuditRecord(auditMeta);
audit.InstanceDbId = dbId;
audit.Operation = operation;
audit.Instance = doc;
auditRecords[audit.DbId] = audit;
}
private void DoDelete(ICollection <object> idsToDelete, IAuditMetadata auditMeta)
{
foreach (object id in idsToDelete)
{
DoDelete(id, auditMeta);
}
}
private void DoStore(ICollection <IStorable> docsToStore, IAuditMetadata auditMeta)
{
foreach (IStorable storable in docsToStore)
{
DoStore(storable, auditMeta);
}
}
private IAuditMetadata StoreAuditMetadata(IAuditMetadata auditMeta)
{
if (auditMeta == null)
{
auditMeta = NewAuditMetadata();
}
auditMetadatas[auditMeta.DbId] = (AuditMetadata)auditMeta;
return(auditMeta);
}
private AuditRecord NewAuditRecord(IAuditMetadata auditMeta)
{
AuditRecord audit = new AuditRecord();
audit.DbId = ++lastAuditRecordDbId;
audit.MetadataDbId = auditMeta.DbId;
audit.UTCTimestamp = auditMeta.UTCTimestamp;
return(audit);
}
private void DoDelete(object dbId, IAuditMetadata auditMeta)
{
documents.Remove((long)dbId);
AuditRecord audit = NewAuditRecord(auditMeta);
audit.InstanceDbId = dbId;
audit.Operation = AuditOperation.DELETE;
auditRecords[audit.DbId] = audit;
}
public override IValue interpret(Context context)
{
List <object> toDelete = null;
if (deletables != null)
{
toDelete = new List <object>();
deletables.ForEach((exp) => CollectDeletables(context, exp, toDelete));
}
List <IStorable> toStore = null;
if (storables != null)
{
toStore = new List <IStorable>();
storables.ForEach((exp) => CollectStorables(context, exp, toStore));
}
if (deletables != null || storables != null)
{
IAuditMetadata withMeta = null;
if (metadata != null)
{
IValue value = metadata.interpret(context);
if (value is DocumentValue)
{
DocumentValue doc = (DocumentValue)value;
withMeta = DataStore.Instance.NewAuditMetadata();
foreach (String name in doc.GetMemberNames())
{
value = doc.GetMemberValue(context, name, false);
withMeta[name] = value.GetStorableData();
}
}
}
DataStore.Instance.DeleteAndStore(toDelete, toStore, withMeta);
}
if (andThen != null)
{
andThen.interpret(context);
}
return(null);
}
public void DeleteAndStore(ICollection <object> idsToDelete, ICollection <IStorable> docsToStore, IAuditMetadata auditMeta)
{
auditMeta = StoreAuditMetadata(auditMeta);
if (idsToDelete != null)
{
DoDelete(idsToDelete, auditMeta);
}
if (docsToStore != null)
{
DoStore(docsToStore, auditMeta);
}
;
}
