public virtual void TraverseAll(ClassMetadata classMetadata, IVisitor4 command)
{
if (!classMetadata.HasClassIndex())
{
return;
}
classMetadata.Index().TraverseAll(Sourcedb.Transaction(this), command);
}
public virtual void Defrag(ClassMetadata classMetadata, LatinStringIO sio, DefragmentContextImpl
context, int classIndexID)
{
ReadName(sio, context.SourceBuffer());
ReadName(sio, context.TargetBuffer());
int metaClassID = 0;
context.WriteInt(metaClassID);
// ancestor ID
context.CopyID();
context.WriteInt((classMetadata.HasClassIndex() ? IndexIDForWriting(classIndexID)
: 0));
int aspectCount = context.ReadInt();
if (aspectCount > classMetadata.DeclaredAspectCount())
{
throw new InvalidOperationException();
}
IntByRef processedAspectCount = new IntByRef(0);
classMetadata.TraverseDeclaredAspects(new _IProcedure4_136(this, processedAspectCount
, aspectCount, classMetadata, sio, context));
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClassIndex(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
if (curClass.HasClassIndex())
{
BTreeClassIndexStrategy indexStrategy = (BTreeClassIndexStrategy)curClass.Index();
BTree btree = indexStrategy.Btree();
command.ProcessBTree(context, btree);
}
}
/// <exception cref="Db4objects.Db4o.CorruptionException"></exception>
/// <exception cref="System.IO.IOException"></exception>
private static void ProcessClassAndFieldIndices(DefragmentServicesImpl context, ClassMetadata
curClass, IPassCommand command)
{
int sourceClassIndexID = 0;
int targetClassIndexID = 0;
if (curClass.HasClassIndex())
{
sourceClassIndexID = curClass.Index().Id();
targetClassIndexID = context.MappedID(sourceClassIndexID, -1);
}
command.ProcessClass(context, curClass, curClass.GetID(), targetClassIndexID);
}
public override IQueryResult ClassOnlyQuery(QQueryBase query, ClassMetadata clazz
)
{
if (!clazz.HasClassIndex())
{
return new IdListQueryResult(query.Transaction());
}
AbstractQueryResult queryResult = NewQueryResult(query.Transaction());
queryResult.LoadFromClassIndex(clazz);
return queryResult;
}
private void CollectClassSlots(ClassMetadata clazz)
{
if (!clazz.HasClassIndex())
{
return;
}
BTreeClassIndexStrategy index = (BTreeClassIndexStrategy)clazz.Index();
index.TraverseAll(_db.SystemTransaction(), new _IVisitor4_182(this));
}
private FileUsageStatsCollector.InstanceUsage ClassSlotUsage(ClassMetadata clazz)
{
if (!clazz.HasClassIndex())
{
return new FileUsageStatsCollector.InstanceUsage(0, 0);
}
IMiscCollector miscCollector = ((IMiscCollector)MiscCollectors[clazz.GetName()]);
LongByRef slotUsage = new LongByRef();
LongByRef miscUsage = new LongByRef();
BTreeClassIndexStrategy index = (BTreeClassIndexStrategy)clazz.Index();
index.TraverseAll(_db.SystemTransaction(), new _IVisitor4_166(this, slotUsage, miscCollector
, miscUsage));
return new FileUsageStatsCollector.InstanceUsage(slotUsage.value, miscUsage.value
);
}
