private long CommitTimestampUsage()
{
LocalTransaction st = (LocalTransaction)_db.SystemTransaction();
CommitTimestampSupport commitTimestampSupport = st.CommitTimestampSupport();
if (commitTimestampSupport == null)
{
return(0);
}
BTree idToTimestampBtree = commitTimestampSupport.IdToTimestamp();
long idToTimestampBTreeSize = idToTimestampBtree == null ? 0 : BTreeUsage(idToTimestampBtree
);
BTree timestampToIdBtree = commitTimestampSupport.TimestampToId();
long timestampToIdBTreeSize = timestampToIdBtree == null ? 0 : BTreeUsage(timestampToIdBtree
);
return(idToTimestampBTreeSize + timestampToIdBTreeSize);
}
public virtual void DefragIdToTimestampBtree()
{
if (_sourceDb.SystemData().IdToTimestampIndexId() == 0)
{
return;
}
LocalTransaction targetTransaction = (LocalTransaction)_targetDb.SystemTransaction
();
LocalTransaction sourceTransaction = (LocalTransaction)_sourceDb.SystemTransaction
();
CommitTimestampSupport target = targetTransaction.CommitTimestampSupport();
CommitTimestampSupport source = sourceTransaction.CommitTimestampSupport();
if (source.IdToTimestamp() == null)
{
return;
}
source.IdToTimestamp().TraverseKeys(sourceTransaction, new _IVisitor4_336(this, target
, targetTransaction));
}
protected virtual void RebuildIndexForWriter(LocalObjectContainer container, StatefulBuffer
buffer, int objectId)
{
ObjectHeader objectHeader = new ObjectHeader(container, buffer);
ObjectIdContextImpl context = new ObjectIdContextImpl(container.SystemTransaction
(), buffer, objectHeader, objectId);
ClassMetadata classMetadata = context.ClassMetadata();
if (classMetadata.IsStruct())
{
// We don't keep version information for structs.
return;
}
if (classMetadata.SeekToField(container.SystemTransaction(), buffer, versionFieldMetadata
) != HandlerVersion.Invalid)
{
long version = ((long)versionFieldMetadata.Read(context));
if (version != 0)
{
LocalTransaction t = (LocalTransaction)container.SystemTransaction();
t.CommitTimestampSupport().Put(container.SystemTransaction(), objectId, version);
}
}
}