private void AppendPayLoad(StatefulBuffer target, Pointer4 pointer, ByteArrayBuffer
payLoad)
{
target.WriteInt(payLoad.Length());
target.WriteInt(pointer.Id());
target.WriteInt(pointer.Address());
target.Append(payLoad._buffer);
}
public MsgD GetWriter(Transaction trans, Pointer4 pointer, ClassMetadata classMetadata
, int param, ByteArrayBuffer buffer)
{
return GetWriter(trans, pointer, buffer, new[]
{
classMetadata.GetID(), param
});
}
public MsgD GetWriter(Transaction trans, Pointer4 pointer, ClassMetadata classMetadata
, ByteArrayBuffer buffer)
{
if (classMetadata == null)
{
return GetWriter(trans, pointer, buffer, new int[] { 0 });
}
return GetWriter(trans, pointer, buffer, new int[] { classMetadata.GetID() });
}
internal MsgD GetWriter(Transaction trans, Pointer4 pointer, ByteArrayBuffer buffer
, int[] prependInts)
{
int lengthNeeded = buffer.Length() + LengthForFirst;
if (prependInts != null)
{
lengthNeeded += (prependInts.Length * Const4.IntLength);
}
MsgD message = GetWriterForLength(trans, lengthNeeded);
if (prependInts != null)
{
for (int i = 0; i < prependInts.Length; i++)
{
message._payLoad.WriteInt(prependInts[i]);
}
}
AppendPayLoad(message._payLoad, pointer, buffer);
return message;
}
public sealed override void WriteUpdate(Transaction trans, Pointer4 pointer, ClassMetadata
classMetadata, ArrayType arrayType, ByteArrayBuffer buffer)
{
MsgD msg = Msg.WriteUpdate.GetWriter(trans, pointer, classMetadata, arrayType.Value
(), buffer);
WriteBatchedMessage(msg);
}
public sealed override void WriteNew(Transaction trans, Pointer4 pointer, ClassMetadata
classMetadata, ByteArrayBuffer buffer)
{
MsgD msg = Msg.WriteNew.GetWriter(trans, pointer, classMetadata, buffer);
WriteBatchedMessage(msg);
}
public abstract void WriteUpdate(Transaction trans, Pointer4 pointer, ClassMetadata classMetadata, ArrayType arrayType, ByteArrayBuffer buffer);
public abstract void WriteNew(Transaction trans, Pointer4 pointer, ClassMetadata classMetadata, ByteArrayBuffer buffer);
public virtual ByteArrayBuffer ToWriteBuffer(Pointer4 pointer)
{
ByteArrayBuffer buffer = new ByteArrayBuffer(pointer.Length());
_writeBuffer.MergeChildren(this, pointer.Address(), WriteBufferOffset());
WriteObjectClassID(buffer, ClassMetadata().GetID());
buffer.WriteByte(HandlerRegistry.HandlerVersion);
buffer.WriteInt(AspectCount());
buffer.WriteBitMap(_nullBitMap);
_writeBuffer.TransferContentTo(buffer);
return buffer;
}
public StatefulBuffer(Db4objects.Db4o.Internal.Transaction trans, Pointer4 pointer
) : this(trans, pointer._slot)
{
_id = pointer._id;
}
public override void WriteUpdate(Transaction transaction, IUpdateDepth updatedepth
)
{
if (!this._firstUpdate)
{
base.WriteUpdate(transaction, updatedepth);
return;
}
this._firstUpdate = false;
ObjectContainerBase container = transaction.Container();
this.SetStateClean();
MarshallingContext context = new MarshallingContext(transaction, this, updatedepth
, false);
Handlers4.Write(this.ClassMetadata().TypeHandler(), context, this.GetObject());
int length = this.Container().BlockConverter().BlockAlignedBytes(context.MarshalledLength
());
Slot slot = context.AllocateNewSlot(length);
Pointer4 pointer = new Pointer4(this.GetID(), slot);
ByteArrayBuffer buffer = context.ToWriteBuffer(pointer);
container.WriteUpdate(transaction, pointer, this.ClassMetadata(), ArrayType.None,
buffer);
if (this.IsActive())
{
this.SetStateClean();
}
}
public StatefulBuffer(Transaction trans, Pointer4 pointer
) : this(trans, pointer._slot)
{
_id = pointer._id;
}
public sealed override void WriteUpdate(Transaction trans, Pointer4 pointer, ClassMetadata
classMetadata, ArrayType arrayType, ByteArrayBuffer buffer)
{
int address = pointer.Address();
if (address == 0)
{
address = AllocateSlotForUserObjectUpdate(trans, pointer.Id(), pointer.Length()).
Address();
}
WriteEncrypt(buffer, address, 0);
}
public sealed override void WriteNew(Transaction trans, Pointer4 pointer, ClassMetadata
classMetadata, ByteArrayBuffer buffer)
{
WriteEncrypt(buffer, pointer.Address(), 0);
if (classMetadata == null)
{
return;
}
classMetadata.AddToIndex(trans, pointer.Id());
}
public override void WriteUpdate(Transaction transaction, IUpdateDepth updatedepth
)
{
if (!_firstUpdate)
{
base.WriteUpdate(transaction, updatedepth);
return;
}
_firstUpdate = false;
var container = transaction.Container();
SetStateClean();
var context = new MarshallingContext(transaction, this, updatedepth
, false);
Handlers4.Write(ClassMetadata().TypeHandler(), context, GetObject());
var length = Container().BlockConverter().BlockAlignedBytes(context.MarshalledLength
());
var slot = context.AllocateNewSlot(length);
var pointer = new Pointer4(GetID(), slot);
var buffer = context.ToWriteBuffer(pointer);
container.WriteUpdate(transaction, pointer, ClassMetadata(), ArrayType.None,
buffer);
if (IsActive())
{
SetStateClean();
}
}
