/// <exception cref="Db4objects.Db4o.Ext.Db4oIOException"></exception>
/// <exception cref="Db4objects.Db4o.Ext.DatabaseClosedException"></exception>
public virtual void Activate(object obj)
{
lock (Lock())
{
CheckClosed();
_server.Activate(_transaction, obj);
}
}
/// <exception cref="System.IO.IOException"></exception>
public virtual File ServerFile(string promptName, bool writeToServer)
{
lock (i_stream.Lock())
{
i_stream.Activate(i_trans, this, new FixedActivationDepth(2));
}
var path = ServerPath();
i_stream.ConfigImpl.EnsureDirExists(path);
if (writeToServer)
{
if (fileName == null)
{
if (promptName != null)
{
fileName = promptName;
}
else
{
fileName = "b_" + Runtime.CurrentTimeMillis();
}
var tryPath = fileName + i_ext;
var i = 0;
while (new File(path, tryPath).Exists())
{
tryPath = fileName + "_" + i++ + i_ext;
if (i == 99)
{
// should never happen
i_status = Status.Error;
throw new IOException(Messages.Get(40));
}
}
fileName = tryPath;
lock (i_stream.Lock())
{
i_stream.StoreInternal(i_trans, this, false);
}
}
}
else
{
if (fileName == null)
{
throw new IOException(Messages.Get(38));
}
}
var lastTryPath = path + File.separator + fileName;
if (!writeToServer)
{
if (!(new File(lastTryPath).Exists()))
{
throw new IOException(Messages.Get(39));
}
}
return(new File(lastTryPath));
}
internal override void Instantiate1(ObjectReferenceContext context)
{
int dbID = context.ReadInt();
Transaction trans = context.Transaction();
ObjectContainerBase container = trans.Container();
container.ShowInternalClasses(true);
try
{
Db4oDatabase db = (Db4oDatabase)container.GetByID2(trans, dbID);
if (db != null && db.i_signature == null)
{
container.Activate(trans, db, new FixedActivationDepth(2));
}
VirtualAttributes va = context.ObjectReference().VirtualAttributes();
va.i_database = db;
va.i_uuid = context.ReadLong();
}
finally
{
container.ShowInternalClasses(false);
}
}
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);
}
}
