Re: [jdt-core-dev] how to use pre-build jdt index files?

[Srikanth S Adayapalam <srikanth_sankaran@xxxxxxxxxx>]

The build process itself does not use any
indexing information and so cannot contribute to
increased build times in and of itself.
Not sure what else is at play.

Srikanth


jdt-core-dev-bounces@xxxxxxxxxxx wrote on 11/28/2012
12:17:12 PM:

> From: "Wang, Simon" <Yunfeng.Wang@xxxxxxxx>
> To: "Eclipse JDT Core developers list."
<jdt-core-dev@xxxxxxxxxxx>, 
> Date: 11/28/2012 12:16 PM
> Subject: Re: [jdt-core-dev] how to use pre-build
jdt index files?
> Sent by: jdt-core-dev-bounces@xxxxxxxxxxx
> 
> Thanks Markus!
>  
> I generated index files first.
> Then developed plugin to configure classpath
entries by 
> “entryDescriptor.setClasspathAttribute
> (IClasspathAttribute.INDEX_LOCATION_ATTRIBUTE_NAME, indexFile.toURL
> ().toString());”
>  
> After launch eclipse and import maven projects,
I found jdt do reuse
> existed index files. 
> But it took longer time to complete build workspace
job.
>  
> I have about 15 maven projects, before took 5
mins to build workspace.
> Now, it took more than 6 mins to build workspace…
>  
> Is that expected result? I think pre-built index
files should faster
> build workspace, right?
>  
> Regards
> Simon
> From: jdt-core-dev-bounces@xxxxxxxxxxx [mailto:jdt-core-dev-
> bounces@xxxxxxxxxxx] On Behalf Of Markus Keller
> Sent: 2012年11月26日 18:22
> To: Eclipse JDT Core developers list.
> Subject: Re: [jdt-core-dev] how to use pre-build jdt index files?
>  
> As the N&N says, this feature is not directly
accessible for users. 
> 
> PDE currently doesn't implement support for adding pre-built indexes
> to OSGi bundles. However, this could be implemented similar to how
> source bundles work. 
> 
> http://help.eclipse.org/juno/topic/org.eclipse.jdt.doc.isv/guide/
> jdt_api_searchindex.htm 
> tells how to use this if you implement your own classpath container.
> 
> https://bugs.eclipse.org/356620
has all the history. 
> 
> Markus 

> 
> From: 
> 
> "Wang, Simon" <Yunfeng.Wang@xxxxxxxx> 
> 
> To: 
> 
> "jdt-core-dev@xxxxxxxxxxx" <jdt-core-dev@xxxxxxxxxxx>,

> 
> Date: 
> 
> 2012-11-23 06:27 
> 
> Subject: 
> 
> [jdt-core-dev] how to use pre-build jdt index files?
> 
>  
> 
> 
> 
> 
> Hi, 
>       After 3.8, JDT have JavaIndexer to pre-build
index files for 
> dependencies.
> I'm trying to do this.
>      But my question is: when is the right time point
to generate index files?
> and how to apply those index files? Just copy those index files into
> workspace/.plugins/{jdt.core.folder}?
> 
> Regards
> Simon_______________________________________________
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