public override void Write(Transaction trans, ClassMetadata clazz, ClassAspect aspect
, ByteArrayBuffer writer)
{
writer.WriteShortString(trans, aspect.GetName());
if (!(aspect is FieldMetadata))
{
return;
}
FieldMetadata field = (FieldMetadata)aspect;
field.Alive();
if (field.IsVirtual())
{
return;
}
ITypeHandler4 handler = field.GetHandler();
if (handler is StandardReferenceTypeHandler)
{
// TODO: ensure there is a test case, to make this happen
if (((StandardReferenceTypeHandler)handler).ClassMetadata().GetID() == 0)
{
trans.Container().NeedsUpdate(clazz);
}
}
writer.WriteInt(field.FieldTypeID());
BitMap4 bitmap = new BitMap4(3);
bitmap.Set(0, field.IsPrimitive());
bitmap.Set(1, Handlers4.HandlesArray(handler));
bitmap.Set(2, Handlers4.HandlesMultidimensionalArray(handler));
// keep the order
writer.WriteByte(bitmap.GetByte(0));
}
private FieldMetadata FieldMetadataFrom(QField qField, Db4objects.Db4o.Internal.ClassMetadata
type)
{
FieldMetadata existingField = qField.GetFieldMetadata();
if (existingField != null)
{
return existingField;
}
FieldMetadata field = type.FieldMetadataForName(qField.Name());
if (field != null)
{
field.Alive();
}
return field;
}
public QField(Transaction a_trans, string name, FieldMetadata fieldMetadata, int
classMetadataID, int a_index)
{
// C/S only
i_trans = a_trans;
i_name = name;
_fieldMetadata = fieldMetadata;
i_classMetadataID = classMetadataID;
_fieldHandle = a_index;
if (_fieldMetadata != null)
{
if (!_fieldMetadata.Alive())
{
_fieldMetadata = null;
}
}
}
public QField(Transaction a_trans, string name, FieldMetadata fieldMetadata, int
classMetadataID, int a_index)
{
// C/S only
i_trans = a_trans;
i_name = name;
_fieldMetadata = fieldMetadata;
i_classMetadataID = classMetadataID;
_fieldHandle = a_index;
if (_fieldMetadata != null)
{
if (!_fieldMetadata.Alive())
{
_fieldMetadata = null;
}
}
}
