Пример #1
0
 /// <exception cref="Db4objects.Db4o.Internal.FieldIndexException"></exception>
 public virtual void AddFieldIndex(ObjectIdContextImpl context)
 {
     if (!HasIndex())
     {
         IncrementOffset(context, context);
         return;
     }
     try
     {
         AddIndexEntry(context.Transaction(), context.ObjectId(), ReadIndexEntry(context));
     }
     catch (CorruptionException exc)
     {
         throw new FieldIndexException(exc, this);
     }
 }
Пример #2
0
 protected override void ProcessAspect(ClassAspect aspect, int currentSlot, bool isNull
                                       )
 {
     if (aspect is FieldMetadata)
     {
         var field = (FieldMetadata)aspect;
         if (isNull)
         {
             field.AddIndexEntry(context.Transaction(), context.ObjectId(), null);
         }
         else
         {
             field.AddFieldIndex(context);
         }
     }
     else
     {
         aspect.IncrementOffset(context.Buffer(), context);
     }
 }
        /// <exception cref="Db4objects.Db4o.Internal.FieldIndexException"></exception>
        public override void AddFieldIndex(ObjectIdContextImpl context)
        {
            LocalTransaction     transaction    = (LocalTransaction)context.Transaction();
            LocalObjectContainer localContainer = (LocalObjectContainer)transaction.Container
                                                      ();
            Slot oldSlot                = transaction.IdSystem().CommittedSlot(context.ObjectId());
            int  savedOffset            = context.Offset();
            int  db4oDatabaseIdentityID = context.ReadInt();
            long uuid = context.ReadLong();

            context.Seek(savedOffset);
            bool isnew = (oldSlot.IsNull());

            if ((uuid == 0 || db4oDatabaseIdentityID == 0) && context.ObjectId() > 0 && !isnew)
            {
                UUIDFieldMetadata.DatabaseIdentityIDAndUUID identityAndUUID = ReadDatabaseIdentityIDAndUUID
                                                                                  (localContainer, context.ClassMetadata(), oldSlot, false);
                db4oDatabaseIdentityID = identityAndUUID.databaseIdentityID;
                uuid = identityAndUUID.uuid;
            }
            if (db4oDatabaseIdentityID == 0)
            {
                db4oDatabaseIdentityID = localContainer.Identity().GetID(transaction);
            }
            if (uuid == 0)
            {
                uuid = localContainer.GenerateTimeStampId();
            }
            StatefulBuffer writer = (StatefulBuffer)context.Buffer();

            writer.WriteInt(db4oDatabaseIdentityID);
            writer.WriteLong(uuid);
            if (isnew)
            {
                AddIndexEntry(writer, uuid);
            }
        }
Пример #4
0
        /// <exception cref="Db4objects.Db4o.Internal.FieldIndexException"></exception>
        public override void AddFieldIndex(ObjectIdContextImpl context)
        {
            StatefulBuffer buffer = (StatefulBuffer)context.Buffer();

            buffer.WriteLong(context.Transaction().Container().GenerateTimeStampId());
        }