If someone can help understand this, I would really appreciate. On Fri, May 25, 2012 at 3:58 PM, kulkarni.swar...@gmail.com < kulkarni.swar...@gmail.com> wrote:
> I am trying to write a custom ObjectInspector extending the > StructObjectInspector and got a little confused about the use of the > getStructFieldData method on the inspector. Looking at the definition of > the method: > > public Object getStructFieldData(Object data, StructField fieldRef); > > I understand that the use of this method is to retrieve the specific given > field from the buffer. However, what I don't understand is what is it > expected to return. I looked around the tests and related code and mostly > stuff returned was either a LazyPrimitive or a LazyNonPrimitive, but I > couldn't find anything that enforces this(specially given that the return > type is a plain "Object")! Does this mean that I am free to return even my > custom object as a return type of this method? If so, what is the guarantee > that it will be interpreted correctly down the pipeline? > > Thanks, > -- > Swarnim > -- Swarnim