private FrozenObjectInfo(ObjectReference @ref, VirtualAttributes virtualAttributes
) : this(@ref == null ? null : @ref.GetObject(), @ref == null ? -1 : @ref.GetID(
), virtualAttributes == null ? null : virtualAttributes.i_database, virtualAttributes
== null ? -1 : virtualAttributes.i_uuid, virtualAttributes == null ? 0 : virtualAttributes
.i_version)
{
}
private FrozenObjectInfo(ObjectReference @ref, VirtualAttributes virtualAttributes
) : this(@ref == null ? null : @ref.GetObject(), @ref == null ? -1 : @ref.GetID(
), virtualAttributes == null ? null : virtualAttributes.i_database, virtualAttributes
== null ? -1 : virtualAttributes.i_uuid, virtualAttributes == null ? 0 : virtualAttributes
.i_version)
{
}
private void Marshall(Transaction trans, ObjectReference @ref, IWriteBuffer buffer
, bool isNew)
{
if (!trans.SupportsVirtualFields())
{
MarshallIgnore(buffer);
return;
}
ObjectContainerBase stream = trans.Container();
HandlerRegistry handlers = stream._handlers;
bool migrating = false;
if (stream._replicationCallState == Const4.New)
{
IDb4oReplicationReferenceProvider provider = handlers._replicationReferenceProvider;
object parentObject = @ref.GetObject();
IDb4oReplicationReference replicationReference = provider.ReferenceFor(parentObject
);
if (replicationReference != null)
{
migrating = true;
VirtualAttributes va = @ref.ProduceVirtualAttributes();
va.i_version = replicationReference.Version();
va.i_uuid = replicationReference.LongPart();
va.i_database = replicationReference.SignaturePart();
}
}
if (@ref.VirtualAttributes() == null)
{
@ref.ProduceVirtualAttributes();
migrating = false;
}
Marshall(trans, @ref, buffer, migrating, isNew);
}
public virtual Db4objects.Db4o.Internal.VirtualAttributes VirtualAttributes(Db4objects.Db4o.Internal.Transaction
trans, bool lastCommitted)
{
if (trans == null)
{
return(_virtualAttributes);
}
lock (trans.Container().Lock())
{
if (_virtualAttributes == null)
{
if (_class.HasVirtualAttributes())
{
_virtualAttributes = new Db4objects.Db4o.Internal.VirtualAttributes();
_class.ReadVirtualAttributes(trans, this, lastCommitted);
}
}
else
{
if (!_virtualAttributes.SuppliesUUID())
{
if (_class.HasVirtualAttributes())
{
_class.ReadVirtualAttributes(trans, this, lastCommitted);
}
}
}
return(_virtualAttributes);
}
}
// FIXME: should be named "uuidLongPart" or even better "creationTime"
public virtual object ShallowClone()
{
var va = new VirtualAttributes();
va.i_database = i_database;
va.i_version = i_version;
va.i_uuid = i_uuid;
return va;
}
public virtual Db4objects.Db4o.Internal.VirtualAttributes ProduceVirtualAttributes
()
{
if (_virtualAttributes == null)
{
_virtualAttributes = new Db4objects.Db4o.Internal.VirtualAttributes();
}
return(_virtualAttributes);
}
public virtual VirtualAttributes ProduceVirtualAttributes
()
{
if (_virtualAttributes == null)
{
_virtualAttributes = new VirtualAttributes();
}
return(_virtualAttributes);
}
// FIXME: should be named "uuidLongPart" or even better "creationTime"
public virtual object ShallowClone()
{
VirtualAttributes va = new VirtualAttributes();
va.i_database = i_database;
va.i_version = i_version;
va.i_uuid = i_uuid;
return(va);
}
public virtual Db4oUUID GetUUID()
{
Db4objects.Db4o.Internal.VirtualAttributes va = VirtualAttributes(Transaction());
if (va != null && va.i_database != null)
{
return(new Db4oUUID(va.i_uuid, va.i_database.i_signature));
}
return(null);
}
internal override void Marshall(Transaction trans, ObjectReference @ref, IWriteBuffer
buffer, bool isMigrating, bool isNew)
{
VirtualAttributes attr = @ref.VirtualAttributes();
ObjectContainerBase container = trans.Container();
bool doAddIndexEntry = isNew && container.MaintainsIndices();
int dbID = 0;
bool linkToDatabase = (attr != null && attr.i_database == null) ? true : !isMigrating;
if (linkToDatabase)
{
Db4oDatabase db = ((IInternalObjectContainer)container).Identity();
if (db == null)
{
// can happen on early classes like Metaxxx, no problem
attr = null;
}
else
{
if (attr.i_database == null)
{
attr.i_database = db;
// TODO: Should be check for ! client instead of instanceof
if (container is LocalObjectContainer)
{
attr.i_uuid = container.GenerateTimeStampId();
doAddIndexEntry = true;
}
}
db = attr.i_database;
if (db != null)
{
dbID = db.GetID(trans);
}
}
}
else
{
if (attr != null)
{
dbID = attr.i_database.GetID(trans);
}
}
buffer.WriteInt(dbID);
if (attr == null)
{
buffer.WriteLong(0);
return;
}
buffer.WriteLong(attr.i_uuid);
if (doAddIndexEntry)
{
AddIndexEntry(trans, @ref.GetID(), attr.i_uuid);
}
}
public Db4oReplicationReferenceImpl(object myObject, Db4oDatabase db, long longPart
, long version)
{
SetObject(myObject);
Ref_init();
Db4objects.Db4o.Internal.VirtualAttributes va = new Db4objects.Db4o.Internal.VirtualAttributes
();
va.i_database = db;
va.i_uuid = longPart;
va.i_version = version;
SetVirtualAttributes(va);
}
public Db4oReplicationReferenceImpl(object myObject, Db4oDatabase db, long longPart
, long version)
{
SetObject(myObject);
Ref_init();
Db4objects.Db4o.Internal.VirtualAttributes va = new Db4objects.Db4o.Internal.VirtualAttributes
();
va.i_database = db;
va.i_uuid = longPart;
va.i_version = version;
SetVirtualAttributes(va);
}
public Db4oReplicationReferenceImpl(object obj, Db4oDatabase db, long longPart, long
version)
{
if (obj == null)
{
throw new InvalidOperationException("obj may not be null");
}
SetObject(obj);
Ref_init();
Db4objects.Db4o.Internal.VirtualAttributes va = new Db4objects.Db4o.Internal.VirtualAttributes
();
va.i_database = db;
va.i_uuid = longPart;
va.i_version = version;
_version = version;
SetVirtualAttributes(va);
}
public Db4oReplicationReferenceImpl(object obj, Db4oDatabase db, long longPart, long
version)
{
if (obj == null)
{
throw new InvalidOperationException("obj may not be null");
}
SetObject(obj);
Ref_init();
Db4objects.Db4o.Internal.VirtualAttributes va = new Db4objects.Db4o.Internal.VirtualAttributes
();
va.i_database = db;
va.i_uuid = longPart;
va.i_version = version;
_version = version;
SetVirtualAttributes(va);
}
internal override void Marshall(Transaction trans, ObjectReference @ref, IWriteBuffer
buffer, bool isMigrating, bool isNew)
{
VirtualAttributes attr = @ref.VirtualAttributes();
if (!isMigrating)
{
attr.i_version = trans.Container().GenerateTimeStampId();
}
if (attr == null)
{
buffer.WriteLong(0);
}
else
{
buffer.WriteLong(attr.i_version);
}
}
protected HardObjectReference GetHardObjectReferenceById(Transaction transaction,
int parentId, byte[] signature)
{
HardObjectReference hardRef = transaction.Container().GetHardObjectReferenceById(
transaction, parentId);
if (hardRef._reference == null)
{
return(null);
}
VirtualAttributes vad = hardRef._reference.VirtualAttributes(transaction, false);
if (!Arrays4.Equals(signature, vad.i_database.i_signature))
{
return(null);
}
return(hardRef);
}
internal Db4oReplicationReferenceImpl(IObjectInfo objectInfo)
{
ObjectReference yo = (ObjectReference)objectInfo;
Transaction trans = yo.Transaction();
Db4objects.Db4o.Internal.VirtualAttributes va = yo.VirtualAttributes(trans);
if (va != null)
{
SetVirtualAttributes((Db4objects.Db4o.Internal.VirtualAttributes)va.ShallowClone(
));
}
else
{
// No virtu
SetVirtualAttributes(new Db4objects.Db4o.Internal.VirtualAttributes());
}
object obj = yo.GetObject();
SetObject(obj);
Ref_init();
}
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);
}
}
internal Db4oReplicationReferenceImpl(IObjectInfo objectInfo, object obj)
{
if (obj == null)
{
throw new InvalidOperationException("obj may not be null");
}
_version = objectInfo.GetCommitTimestamp();
ObjectReference @ref = (ObjectReference)objectInfo;
Transaction trans = @ref.Transaction();
Db4objects.Db4o.Internal.VirtualAttributes va = @ref.VirtualAttributes(trans);
if (va != null)
{
SetVirtualAttributes((Db4objects.Db4o.Internal.VirtualAttributes)va.ShallowClone(
));
}
else
{
SetVirtualAttributes(new Db4objects.Db4o.Internal.VirtualAttributes());
}
SetObject(obj);
Ref_init();
}
public virtual void SetVirtualAttributes(Db4objects.Db4o.Internal.VirtualAttributes
at)
{
_virtualAttributes = at;
}
public virtual void SetVirtualAttributes(VirtualAttributes
at)
{
_virtualAttributes = at;
}
public virtual Db4objects.Db4o.Internal.VirtualAttributes ProduceVirtualAttributes
()
{
if (_virtualAttributes == null)
{
_virtualAttributes = new Db4objects.Db4o.Internal.VirtualAttributes();
}
return _virtualAttributes;
}
public virtual void SetVirtualAttributes(Db4objects.Db4o.Internal.VirtualAttributes
at)
{
_virtualAttributes = at;
}
public virtual Db4objects.Db4o.Internal.VirtualAttributes VirtualAttributes(Db4objects.Db4o.Internal.Transaction
trans, bool lastCommitted)
{
if (trans == null)
{
return _virtualAttributes;
}
lock (trans.Container().Lock())
{
if (_virtualAttributes == null)
{
if (_class.HasVirtualAttributes())
{
_virtualAttributes = new Db4objects.Db4o.Internal.VirtualAttributes();
_class.ReadVirtualAttributes(trans, this, lastCommitted);
}
}
else
{
if (!_virtualAttributes.SuppliesUUID())
{
if (_class.HasVirtualAttributes())
{
_class.ReadVirtualAttributes(trans, this, lastCommitted);
}
}
}
return _virtualAttributes;
}
}
public virtual VirtualAttributes ProduceVirtualAttributes
()
{
if (_virtualAttributes == null)
{
_virtualAttributes = new VirtualAttributes();
}
return _virtualAttributes;
}
public virtual void SetVirtualAttributes(VirtualAttributes
at)
{
_virtualAttributes = at;
}
