public virtual ObjectID ReadObjectID(IInternalReadContext context)
{
int payloadOffset = context.ReadInt();
if (payloadOffset == 0)
{
return(ObjectID.IsNull);
}
int savedOffset = context.Offset();
ITypeHandler4 typeHandler = ReadTypeHandler(context, payloadOffset);
if (typeHandler == null)
{
context.Seek(savedOffset);
return(ObjectID.IsNull);
}
SeekSecondaryOffset(context, typeHandler);
if (typeHandler is IReadsObjectIds)
{
ObjectID readObjectID = ((IReadsObjectIds)typeHandler).ReadObjectID(context);
context.Seek(savedOffset);
return(readObjectID);
}
context.Seek(savedOffset);
return(ObjectID.NotPossible);
}
// do nothing, no longer needed in current implementation.
public virtual object Read(IReadContext readContext)
{
IInternalReadContext context = (IInternalReadContext)readContext;
int payloadOffset = context.ReadInt();
if (payloadOffset == 0)
{
context.NotifyNullReferenceSkipped();
return(null);
}
int savedOffSet = context.Offset();
try
{
ITypeHandler4 typeHandler = ReadTypeHandler(context, payloadOffset);
if (typeHandler == null)
{
return(null);
}
SeekSecondaryOffset(context, typeHandler);
if (IsPlainObject(typeHandler))
{
return(context.ReadAtCurrentSeekPosition(new PlainObjectHandler()));
}
return(context.ReadAtCurrentSeekPosition(typeHandler));
}
finally
{
context.Seek(savedOffSet);
}
}
// throw new IllegalStateException();
public virtual void CollectIDs(QueryingReadContext readContext)
{
IInternalReadContext context = (IInternalReadContext)readContext;
int payloadOffset = context.ReadInt();
if (payloadOffset == 0)
{
return;
}
int savedOffSet = context.Offset();
try
{
ITypeHandler4 typeHandler = ReadTypeHandler(context, payloadOffset);
if (typeHandler == null)
{
return;
}
SeekSecondaryOffset(context, typeHandler);
if (IsPlainObject(typeHandler))
{
readContext.Collector().AddId(readContext.ReadInt());
return;
}
CollectIdContext collectIdContext = new _CollectIdContext_203(readContext, readContext
.Transaction(), readContext.Collector(), null, readContext.Buffer());
Handlers4.CollectIdsInternal(collectIdContext, context.Container().Handlers.CorrectHandlerVersion
(typeHandler, context.HandlerVersion()), 0, false);
}
finally
{
context.Seek(savedOffSet);
}
}
public static Db4objects.Db4o.Internal.ObjectID Read(IInternalReadContext context
)
{
int id = context.ReadInt();
return id == 0 ? Db4objects.Db4o.Internal.ObjectID.IsNull : new Db4objects.Db4o.Internal.ObjectID
(id);
}
public static Db4objects.Db4o.Internal.ObjectID Read(IInternalReadContext context
)
{
int id = context.ReadInt();
return(id == 0 ? Db4objects.Db4o.Internal.ObjectID.IsNull : new Db4objects.Db4o.Internal.ObjectID
(id));
}
protected virtual ITypeHandler4 ReadTypeHandler(IInternalReadContext context, int
payloadOffset)
{
context.Seek(payloadOffset);
ITypeHandler4 typeHandler = Container().TypeHandlerForClassMetadataID(context.ReadInt
());
return(HandlerRegistry.CorrectHandlerVersion(context, typeHandler));
}
public static ObjectID Read(IInternalReadContext context
)
{
var id = context.ReadInt();
return id == 0
? IsNull
: new ObjectID
(id);
}
public static ObjectID Read(IInternalReadContext context
)
{
var id = context.ReadInt();
return(id == 0
? IsNull
: new ObjectID
(id));
}
public virtual ITypeHandler4 ReadTypeHandlerRestoreOffset(IInternalReadContext context
)
{
int savedOffset = context.Offset();
int payloadOffset = context.ReadInt();
ITypeHandler4 typeHandler = payloadOffset == 0 ? null : ReadTypeHandler(context,
payloadOffset);
context.Seek(savedOffset);
return(typeHandler);
}
public override object Read(IReadContext readContext)
{
IInternalReadContext context = (IInternalReadContext)readContext;
ByteArrayBuffer buffer = (ByteArrayBuffer)context.ReadIndirectedBuffer();
if (buffer == null)
{
return(null);
}
// With the following line we ask the context to work with
// a different buffer. Should this logic ever be needed by
// a user handler, it should be implemented by using a Queue
// in the UnmarshallingContext.
// The buffer has to be set back from the outside! See below
IReadBuffer contextBuffer = context.Buffer(buffer);
object array = base.Read(context);
// The context buffer has to be set back.
context.Buffer(contextBuffer);
return(array);
}
public virtual ObjectID ReadObjectID(IInternalReadContext context)
{
int payloadOffset = context.ReadInt();
if (payloadOffset == 0)
{
return ObjectID.IsNull;
}
int savedOffset = context.Offset();
ITypeHandler4 typeHandler = ReadTypeHandler(context, payloadOffset);
if (typeHandler == null)
{
context.Seek(savedOffset);
return ObjectID.IsNull;
}
SeekSecondaryOffset(context, typeHandler);
if (typeHandler is IReadsObjectIds)
{
ObjectID readObjectID = ((IReadsObjectIds)typeHandler).ReadObjectID(context);
context.Seek(savedOffset);
return readObjectID;
}
context.Seek(savedOffset);
return ObjectID.NotPossible;
}
public virtual ObjectID ReadObjectID(IInternalReadContext context)
{
return(ObjectID.Read(context));
}
public virtual ObjectID ReadObjectID(IInternalReadContext context)
{
return ObjectID.Read(context);
}
public override ObjectID ReadObjectID(IInternalReadContext context)
{
int id = context.ReadInt();
return(id == 0 ? ObjectID.IsNull : new ObjectID(id));
}
public override ObjectID ReadObjectID(IInternalReadContext context)
{
int id = context.ReadInt();
return id == 0 ? ObjectID.IsNull : new ObjectID(id);
}
public virtual ITypeHandler4 ReadTypeHandlerRestoreOffset(IInternalReadContext context
)
{
int savedOffset = context.Offset();
int payloadOffset = context.ReadInt();
ITypeHandler4 typeHandler = payloadOffset == 0 ? null : ReadTypeHandler(context,
payloadOffset);
context.Seek(savedOffset);
return typeHandler;
}
protected virtual ITypeHandler4 ReadTypeHandler(IInternalReadContext context, int
payloadOffset)
{
context.Seek(payloadOffset);
ITypeHandler4 typeHandler = Container().TypeHandlerForClassMetadataID(context.ReadInt
());
return HandlerRegistry.CorrectHandlerVersion(context, typeHandler);
}
