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What the thread "owns: ClusteringBuilderState" do? [message #1777216]

Mon, 27 November 2017 08:16

serio adamo

Messages: 24
Registered: September 2017

Junior Member

Recently, I want to investigate the mechanism of cross-reference resolution in xtext.

In emf, the default mechanism of cross-reference resolution is lazy. But when you validate your model instance, it will resolve automatically in validation.

In xtext, it is similar:
EcoreUtil2.resolveLazyCrossReferences(resource, monitor) is called in validation thread (owns: LazyLinkingResource) which is the same thread of my custom validator. That is OK.
index.php/fa/31402/0/

But I found there is another thread (owns: ClusteringBuilderState) also call EcoreUtil2.resolveLazyCrossReferences(resource, monitor).
index.php/fa/31403/0/

What the thread "ClusteringBuilderState" do in xtext?
Is there any documentation that explains the significance of these threads.

Very thanks.

Attachment: ClusteringBuilderState.PNG
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Attachment: LazyLinkingResource.PNG
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Re: What the thread "owns: ClusteringBuilderState" do? [message #1777218 is a reply to message #1777216]

Mon, 27 November 2017 08:24

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

one is the xtext build the other one is the open editor

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: What the thread "owns: ClusteringBuilderState" do? [message #1777223 is a reply to message #1777218]

Mon, 27 November 2017 08:53

serio adamo

Messages: 24
Registered: September 2017

Junior Member

Christian Dietrich wrote on Mon, 27 November 2017 08:24

one is the xtext build the other one is the open editor

This means that :
The thread (owns: LazyLinkingResource) is for the editor of one dsl file which does validation, error report and quick fix. These jobs are done when user edit text in no saving file.

The thread (owns: ClusteringBuilderState) is for a compiler which does generate code, so it needs validation again. These jobs are done when user click Project - Build or save file when Project - Build Automatically turn on.

Am I right?

I have another question:
Who dispatches these thread? Could you tell me the file in xtext source code? Thanks.
Please forgive me, I lack the eclipse plug-in development knowledge.
Sorry to bother you again.

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Re: What the thread "owns: ClusteringBuilderState" do? [message #1777224 is a reply to message #1777223]

Mon, 27 November 2017 09:03

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

thats correct.

i am not sure what you mean by dispatch.

one ist the eclipse builder infrastructure
the other is a eclipse job.

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: What the thread "owns: ClusteringBuilderState" do? [message #1777225 is a reply to message #1777224]

Mon, 27 November 2017 09:09

serio adamo

Messages: 24
Registered: September 2017

Junior Member

Christian Dietrich wrote on Mon, 27 November 2017 09:03

thats correct.

i am not sure what you mean by dispatch.

one ist the eclipse builder infrastructure
the other is a eclipse job.

dispatch thread means:
for example:
Thread t1 = new Thread(my_runnable);
（It may be actually that these threads are created as declarative rather than imperative）

[Updated on: Mon, 27 November 2017 09:11]

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Re: What the thread "owns: ClusteringBuilderState" do? [message #1777227 is a reply to message #1777225]

Mon, 27 November 2017 09:17

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

nobody at xtext does that. all uses eclipse infrastructure.

Twitter : @chrdietrich
Blog : https://www.dietrich-it.de

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Re: What the thread "owns: ClusteringBuilderState" do? [message #1777228 is a reply to message #1777227]

Mon, 27 November 2017 09:23

serio adamo

Messages: 24
Registered: September 2017

Junior Member

Christian Dietrich wrote on Mon, 27 November 2017 09:17

nobody at xtext does that. all uses eclipse infrastructure.

OK...
I admit that I lack eclipse development experience. Maybe before use xtext, I should learn how to develop eclipse plugin and how to use eclipse infrastructure to develop a small compiler IDE like small CDT first.
Thanks again.

[Updated on: Mon, 27 November 2017 09:24]

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