[news.eclipse.tools] Re: Is Incremental build working in jdt?

["Ilya Rozenberg" <irozenberg@xxxxxxxxxxxx>]

This is what I see:

autobuild is ON
1.Create  .java file externally
2. I do .refreshLocal on contener for the file to show up
3 do .touch() on java file
autobuild does not get started.

"Jeff McAffer" <jeff_mcaffer@xxxxxxx> wrote in message
news:9j22co$qb5$1@xxxxxxxxxxxxxxxx
> Ilya,
>
> How are you telling if an incremental build is being run?  Can you post a
> more complete example of what you are doing to cause resource changes and
> what you are doing to see if building is happening?
>
> To follow up on Simon's point, the following code sequence will have
> different effects depending on whether autobuild is on or off
>     resource.touch(progressMonitor);  \\ resource is a java file here
>     project.build(IncrementalProjectBuilder.INCREMENTAL_BUILD, pm);
>
> If autobuild is OFF then the touch() WILL NOT cause an incremental build
to
> be attempted.  The following build() will start an incremental build.
>
> If autobuild is ON then the touch() WILL cause an autobuild.  The
following
> build() will try an incremental build but since nothing has changed
between
> the touch() and the build(), there is no work to do so the build is a
no-op.
>
> Jeff
>
> "Ilya Rozenberg" <irozenberg@xxxxxxxxxxxx> wrote in message
> news:9ikd8f$oqk$1@xxxxxxxxxxxxxxxx
> > I guess what I see here is that
> >          resource.touch(progressMonitor);  \\ resource is a java file
here
> > does not trigger automatic build on resource modification
> >
> > You are correct that when "Perform build automatically on resource
> > modification" in not checked
> > project.build(IncrementalProjectBuilder.INCREMENTAL_BUILD,
> progressMonitor);
> > works
> >
> > "Simon Arsenault" <simon_arsenault@xxxxxxx> wrote in message
> > news:9ik33h$lqp$1@xxxxxxxxxxxxxxxx
> > > Incremental build only does something if there are changes since the
> last
> > > build.
> > >
> > > The reason why you do not see incremental build in the UI (Build menu
> and
> > > tool bar icon) is probably because automatic incremental build is on.
> Open
> > > the preferences dialog (Window > Preferences) and select the
"Workbench"
> > > preference page. Look at the option "Perform build automatically on
> > resource
> > > modification"
> > >
> > > Note if this option is on, then it explains why doing
> > >     project.build(IncrementalProjectBuilder.INCREMENTAL_BUILD, pm);
> > > did nothing - since automatic incremental build is on, every time you
> make
> > a
> > > change the incremental build runs, therefore calling the
project.build()
> > > above does nothing (build was already done automatically).
> > >
> > > Simon :-)
> > >
> > >
> > > "Ilya Rozenberg" <irozenberg@xxxxxxxxxxxx> wrote in message
> > > news:9iinj0$9md$1@xxxxxxxxxxxxxxxx
> > > > This works:
> > > > project.build(IncrementalProjectBuilder.FULL_BUILD, pm);
> > > > this does not:
> > > > project.build(IncrementalProjectBuilder.INCREMENTAL_BUILD, pm);
> > > > Incremental build action is also missing from UI.
> > > >
> > > >
> > >
> > >
> >
> >
>
>