public WriteUpdateProcessor(LocalTransaction transaction, int id, ClassMetadata clazz
, ArrayType typeInfo)
{
_transaction = transaction;
_id = id;
_clazz = clazz;
_typeInfo = typeInfo;
}
internal override void DeleteMembers(DeleteContextImpl context, ArrayType arrayType
, bool isUpdate)
{
if (arrayType == ArrayType.PlainArray)
{
new ArrayHandler(TypeHandler(), true).DeletePrimitiveEmbedded((StatefulBuffer) context
.Buffer(), this);
}
else
{
if (arrayType == ArrayType.MultidimensionalArray)
{
new MultidimensionalArrayHandler(TypeHandler(), true).DeletePrimitiveEmbedded((StatefulBuffer
) context.Buffer(), this);
}
}
}
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 override void WriteUpdateAdjustIndexes(int id, ClassMetadata classMetadata
, ArrayType arrayType)
{
}
public abstract void WriteUpdate(Transaction trans, Pointer4 pointer, ClassMetadata classMetadata, ArrayType arrayType, ByteArrayBuffer buffer);
public virtual void PurgeFieldIndexEntriesOnUpdate(Db4objects.Db4o.Internal.Transaction
transaction, ArrayType arrayType)
{
if (!UpdateDepth().CanSkip(_reference))
{
transaction.WriteUpdateAdjustIndexes(_reference.GetID(), _reference.ClassMetadata
(), arrayType);
}
}
internal virtual void DeleteMembers(DeleteContextImpl context, ArrayType arrayType
, bool isUpdate)
{
var buffer = (StatefulBuffer) context.Buffer();
var preserveCascade = context.CascadeDeleteDepth();
try
{
if (CascadeOnDelete())
{
if (ClassReflector().IsCollection())
{
buffer.SetCascadeDeletes(CollectionDeleteDepth(context));
}
else
{
buffer.SetCascadeDeletes(1);
}
}
Handlers4.FieldAwareTypeHandler(CorrectHandlerVersion(context)).DeleteMembers(context
, isUpdate);
}
catch (Exception e)
{
// This a catch for changed class hierarchies.
// It's very ugly to catch all here but it does
// help to heal migration from earlier db4o
// versions.
var dp = Container()._handlers.DiagnosticProcessor();
if (dp.Enabled())
{
dp.DeletionFailed();
}
}
buffer.SetCascadeDeletes(preserveCascade);
}
public override void WriteUpdateAdjustIndexes(int id, ClassMetadata clazz, ArrayType
typeInfo)
{
new WriteUpdateProcessor(this, id, clazz, typeInfo).Run();
}
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 abstract void WriteUpdateAdjustIndexes(int id, ClassMetadata clazz, ArrayType
typeInfo);
public abstract void WriteUpdateAdjustIndexes(int id, ClassMetadata clazz, ArrayType
typeInfo);