public static Db4objects.Drs.Db4o.ReplicationRecord QueryForReplicationRecord(ObjectContainerBase
container, Transaction trans, Db4oDatabase younger, Db4oDatabase older)
{
container.ShowInternalClasses(true);
try
{
IQuery q = container.Query(trans);
q.Constrain(typeof(Db4objects.Drs.Db4o.ReplicationRecord));
q.Descend("_youngerPeer").Constrain(younger).Identity();
q.Descend("_olderPeer").Constrain(older).Identity();
IObjectSet objectSet = q.Execute();
if (objectSet.HasNext())
{
Db4objects.Drs.Db4o.ReplicationRecord replicationRecord = (Db4objects.Drs.Db4o.ReplicationRecord
)objectSet.Next();
container.Activate(replicationRecord, int.MaxValue);
return(replicationRecord);
}
return(null);
}
finally
{
container.ShowInternalClasses(false);
}
}
private Db4objects.Db4o.Ext.Db4oDatabase Query(Transaction trans, bool constrainByUUID
)
{
ObjectContainerBase stream = trans.Container();
IQuery q = stream.Query(trans);
q.Constrain(GetType());
if (constrainByUUID)
{
q.Descend(CreationtimeField).Constrain(i_uuid);
}
IObjectSet objectSet = q.Execute();
while (objectSet.HasNext())
{
Db4objects.Db4o.Ext.Db4oDatabase storedDatabase = (Db4objects.Db4o.Ext.Db4oDatabase
)objectSet.Next();
stream.Activate(null, storedDatabase, new FixedActivationDepth(4));
if (storedDatabase.Equals(this))
{
return(storedDatabase);
}
}
return(null);
}
private void ReadThis(bool a_activate)
{
Read();
ObjectContainerBase container = Transaction().Container();
_member = container.TryGetByID(Transaction(), _key);
if (_member != null && (a_activate || _member is ICompare))
{
container.Activate(Transaction(), _member);
CheckInstanceOfCompare();
}
}
/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
private void CollectIDsByInstantiatingCollection(QueryingReadContext context)
{
int id = context.CollectionID();
if (id == 0)
{
return;
}
Transaction transaction = context.Transaction();
ObjectContainerBase container = context.Container();
object obj = container.GetByID(transaction, id);
if (obj == null)
{
return;
}
// FIXME: [TA] review activation depth
int depth = DepthUtil.AdjustDepthToBorders(2);
container.Activate(transaction, obj, container.ActivationDepthProvider().ActivationDepth
(depth, ActivationMode.Activate));
Platform4.ForEachCollectionElement(obj, new _IVisitor4_390(context));
}
