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How to fix Couldn't resolve reference to EClass in query2 [message #701409]

Mon, 25 July 2011 04:11

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

Junior Member

Hi,
I used EMF QUERY2 in our project,i create query file in project,when i import ecore file nsURI,but it's show Couldn't resolve reference to EClass issue.
1)i had add model plugin in data plugin dependencies,and add/remove Query Index Nature.
2)model plugin ecore file nsURI has been registered generated_package.
3)the libraries was same as example "org.eclipse.emf.query2.librarytest" plugin.

so how can i do can import ecore's URI?

Thanks

Best Regards.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701446 is a reply to message #701409]

Mon, 25 July 2011 06:03

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

Senior Member

Hi gldu,

Did you import the package namespace URI in the .query file, check the lib.query file for example?
I hope importing would solve the problem.

Don't hesitate to ask more questions if you face issues Smile

Smile

.

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701456 is a reply to message #701446]

Mon, 25 July 2011 06:19

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
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Hi saurav ,
I had import package namespace URI in the .query file,but still couldn't fixed that issue.

I create new demo project use query2, it can import "org.eclipse.emf.query2.librarytest" ecore file,but i create new ecore,use .query can't find ecore file's EClass.

so,is create .query file have another way?

Thanks.

[Updated on: Mon, 25 July 2011 06:20]

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701459 is a reply to message #701456]

Mon, 25 July 2011 06:25

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

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Hi gldu,

Where are your generated classes and the ecore file, In the workspace or in the
target platform ?

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701462 is a reply to message #701459]

Mon, 25 July 2011 06:30

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

Junior Member

Hi saurav ,
I generated classes in workspace.and i make model plugin dependencies date plugin, date plugin have .query file.

Thanks.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701468 is a reply to message #701462]

Mon, 25 July 2011 06:47

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

Senior Member

Hi gldu,

Now in Query2 only the model classes which are in the target platform can use the Query editor.
We already have a bug regarding this

https://bugs.eclipse.org/bugs/show_bug.cgi?id=333722

Due to other priorities we could not work on this Sad

Sad

.

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701474 is a reply to message #701468]

Mon, 25 July 2011 06:57

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

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Hi saurav,

Thank for your help,i will add model plugin in our target platform to test.

Best Regards.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701486 is a reply to message #701474]

Mon, 25 July 2011 07:16

saurav sarkar is currently offline

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Messages: 428
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Sure.Let me know if you need any more help.

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701620 is a reply to message #701486]

Mon, 25 July 2011 10:38

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
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Hi,
I had add model plugin in target platform,and closed it in workspace,still has this issue.

Thanks.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #701693 is a reply to message #701620]

Mon, 25 July 2011 12:59

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

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can you please paste your .query file here if possible ?

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702167 is a reply to message #701693]

Tue, 26 July 2011 03:49

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

Junior Member

Hi saurav ,

import "platform:/resource/org.mycompany.model/model/MyFile.xsd"

AllNode: from NodeType as t in resources {"platform:/resource/org.company.query2.demo/data/f_0.1.item"
				}  select t

i add model plugin in target paltform,and closed my workspace model plugin, data plugin dependen on model ,
but still can't fix this issue.

Thanks.

Best Regards.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702233 is a reply to message #702167]

Tue, 26 July 2011 05:55

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

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Hi,
is model plugin need add xtext and query2 plugin in target platform?

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702247 is a reply to message #702233]

Tue, 26 July 2011 06:26

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

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Hi Gldu,

Yes definitely you would need XText and Query2 installed in your IDE.
I also you have given the URI of the model resource.You would need to
put the package namespace URI of your metamodel. You can find from it from
the properties view of the ecore file.

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702254 is a reply to message #702247]

Tue, 26 July 2011 06:36

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

Junior Member

Hi saurav,
"platform:/resource/org.mycompany.model/model/MyFile.xsd" is our ecore's nsURI.
XText and Query2 had been installed in my IDE.because librariesTest plugin is ok.
by the way,if my ecore file load other's ecore,is it has any effect?

Thanks.
Best Regards.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702388 is a reply to message #702254]

Tue, 26 July 2011 09:44

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

Senior Member

gldu wrote on Tue, 26 July 2011 02:36

Hi saurav,
"platform:/resource/org.mycompany.model/model/MyFile.xsd" is our ecore's nsURI.
XText and Query2 had been installed in my IDE.because librariesTest plugin is ok.
by the way,if my ecore file load other's ecore,is it has any effect?

Thanks.
Best Regards.

It should not have any problems.
If possible can you attach your code.Including the model and test plug-in.

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702397 is a reply to message #702388]

Tue, 26 July 2011 09:57

gldu Mising name is currently offline

gldu Mising name

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Messages: 10
Registered: July 2011

Junior Member

Hi saurav,

I had fixed this issue,cause it couldn't add target platform direct in eclipse's preference.
it's must like install new software to add model plugin and feature.

Thanks

Best Regards.

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Re: How to fix Couldn't resolve reference to EClass in query2 [message #702405 is a reply to message #702397]

Tue, 26 July 2011 10:08

saurav sarkar is currently offline

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Messages: 428
Registered: July 2009

Senior Member

gldu wrote on Tue, 26 July 2011 05:57

Hi saurav,

I had fixed this issue,cause it couldn't add target platform direct in eclipse's preference.
it's must like install new software to add model plugin and feature.

Thanks

Best Regards.

Glad to hear that you solved the problem.
Don't hesitate to ask further questions Smile

Smile

cheers,
Saurav

My Blog http://codifyit.blogspot.com/
Follow me: http://twitter.com/sauravs

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