Why cant I add my own intermidate operation

[Boaz Nahum]

Thank.

Indeed TERMINATOR and flatMap(FlatMapper) solve all my problems.

On Thu, Feb 28, 2013 at 5:12 PM, Paul Sandoz <paul.sandoz at oracle.com> wrote:

> Hi Boaz,
>
> Unfortunately the internals are not ready to open as an SPI, more time is
> required to do that, time that we don't have for JDK 8. What is there now
> could well change in the future and we don't want to be stuck with it.
>
> That tiny 'gate' you are referring while tiny from a method on Stream
> perspective is far from tiny otherwise as it opens up access to other
> internal classes, such as Sink and Node, and opens up concepts of stream
> flags, sequential and parallel implementations.
>
>
> On Feb 27, 2013, at 4:10 PM, Boaz Nahum <boaznahum at gmail.com> wrote:
>
> > Many and I asked before how can I do that and that (for example producing
> > stream of parser tokens from stream, that cant be done by #collect,
> because
> > we have no way to know where the input stream is ended)
> >
>
> As a workaround you can concatenate:
>
>   Streams.concat(s, Collections.singletonList(TERMINATOR).stream());
>
> If you look at the code for that it uses the "escape-hatch" spliterator.
> There might be similar tricks you can apply.
>
> Paul.
>
> > I understand that not any wish can be satisfied.
> >
> > But why not provide a tiny  'gate' to add my pipeline, something like
> > already done:
> >
> > public <E_NEXT, S_NEXT extends BaseStream<E_NEXT, S_NEXT>> S_NEXT
> > pipeline(IntermediateOp<E_OUT, E_NEXT> newOp) {
> >
> > That all I need(I know I can do there many mistakes, write it
> > inefficient,but still it is better than nothing).
> >
> > Today I need to break the pipeline (at least syntactically)
> >
> > My feeling is that 'Stream' is so difficult to extend. Why *so many
> > interfaces such as IntermediateOp* and TerminalOp are  not public ?
> >
> > Thanks
> > Boaz
> >
>
>
>