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[CDO]Rerences [message #553532] Tue, 17 August 2010 20:30 Go to next message
Miranda is currently offline MirandaFriend
Messages: 25
Registered: June 2010
Junior Member
Hello!

I have problem with references between the resources of repository in CDO.
Firstly is it possible to organize links between resources of several repositories?
Secondly, when I am trying to replace one object with another one in one resource I can find cross references to it using EcoreUtil.UsageCrossReferencer and everything goes well. But when the object is referenced by another resource cross references cannot be found. Is is possible to find links in the whole repository?

Thanks in advance!

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Re: [CDO] References, Cross References, External References [message #553608 is a reply to message #553532] Wed, 18 August 2010 07:12 Go to previous messageGo to next message
Eike Stepper is currently offline Eike StepperFriend
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Hi Miranda,

Comments inline...

Cheers
/Eike

Contact: http://www.esc-net.de Blogger <http://thegordian.blogspot.com>Twitter <http://twitter.com/eikestepper>Linkedin <http://de.linkedin.com/in/eikestepper>Xing <http://www.xing.com/profile/Eike_Stepper>
Article: What exactly is inside that p2 repository? < http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html>

I'm going to Eclipse Summit Europe 2010 <http://www.eclipsesummit.org/>



Am 17.08.2010 22:30, schrieb Miranda:
> Hello!
>
> I have problem with references between the resources of repository in CDO. Firstly is it possible to organize links between resources of several repositories?
Yes, CDO supports external references and CDO supports multiple repositories connected to one ResourceSet (but no repository connected to the same ResourceSet more than once). You may need a CDOXATransaction to be able to atomically commit to multiple repositories, even from multiple ResourceSets.


> Secondly, when I am trying to replace one object with another one in one resource I can find cross references to it using EcoreUtil.UsageCrossReferencer and everything goes well. But when the object is referenced by another resource cross references cannot be found. Is is possible to find links in the whole repository?
In CDO 4.0 we have both:

1) A new repo property IRepository.Props.ENSURE_REFERENTIAL_INTEGRITY that you can set to "true" in order to prevent commits from succeeding if they would corrupt the referential integrity of the whole object graph (i.e. leave stale references).

2) Client side API to query cross references:
org.eclipse.emf.cdo.view.CDOView.queryXRefs(Set<CDOObject>, EReference...)
org.eclipse.emf.cdo.view.CDOView.queryXRefsAsync(Set<CDOObject >, EReference...)

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Hi Miranda,<br>
<br>
Comments inline...<br>
<br>
<!--WISESTAMP_SIG_44053_START--><span style="color: black;">
<div dir="ltr">
<div>Cheers<br>
/Eike<br>
<br>
</div>
<div style="padding: 5px 0pt; font-family: arial,sans-serif;
font-size: 13.3px;"><span style="color: gray;">Contact: <a
href="http://www.esc-net.de">http://www.esc-net.de</a></span>
<a href="http://thegordian.blogspot.com" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part1.06010403.02010805@esc-net.de" alt="Blogger"
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<div style="color: gray; font-size: 13.3px; padding-bottom:
5px;">Article: <span style="color: blue; text-decoration:
underline;"><a
href=" http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html"
undefined="">What exactly is inside that p2 repository?</a></span></div>
<div><br>
<a href="http://www.eclipsesummit.org/"><img
src="cid:part5.04020309.02090407@esc-net.de" alt="I'm
going to Eclipse Summit Europe 2010" border="0"
height="100" width="130"></a>
<br>
<br>
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</span><!--WISESTAMP_SIG_44053_END--><br>
<br>
Am 17.08.2010 22:30, schrieb Miranda:
<blockquote cite="mid:i4erht$imc$1@build.eclipse.org" type="cite">Hello!
<br>
<br>
I have problem with references between the resources of repository
in CDO. Firstly is it possible to organize links between resources
of several repositories? </blockquote>
Yes, CDO supports external references and CDO supports multiple
repositories connected to one ResourceSet (but no repository
connected to the same ResourceSet more than once). You may need a
CDOXATransaction to be able to atomically commit to multiple
repositories, even from multiple ResourceSets.<br>
<br>
<br>
<blockquote cite="mid:i4erht$imc$1@build.eclipse.org" type="cite">Secondly,
when I am trying to replace one object with another one in one
resource I can find cross references to it using
EcoreUtil.UsageCrossReferencer and everything goes well.  But when
the object is referenced by another resource cross references
cannot be found. Is is possible to find links in the whole
repository?
<br>
</blockquote>
In CDO 4.0 we have both:<br>
<br>
1) A new repo property
IRepository.Props.ENSURE_REFERENTIAL_INTEGRITY that you can set to
"true" in order to prevent commits from succeeding if they would
corrupt the referential integrity of the whole object graph (i.e.
leave stale references).<br>
<br>
2) Client side API to query cross references: <br>
       
org.eclipse.emf.cdo.view.CDOView.queryXRefs(Set&lt;CDOOb ject&gt;,
EReference...)<br>
       
org.eclipse.emf.cdo.view.CDOView.queryXRefsAsync(Set&lt; CDOObject&gt;,
EReference...)<br>
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--------------090302080504020708080707--

Cheers
/Eike

----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper

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Re: [CDO] References, Cross References, External References [message #553672 is a reply to message #553608] Wed, 18 August 2010 12:50 Go to previous messageGo to next message
Miranda is currently offline MirandaFriend
Messages: 25
Registered: June 2010
Junior Member
Hi, Eike!

Thanks for reply.

About the first question. I have tried to use CDOXATransaction ,
but the links are lost from one model to another.
I ve created

transactionA to repo1
transactionB to repo2

Both of them refer to one resource set. Then to the resource from repo1 i added object with the reference to the object from repo2. And used CDOXATransaction to commit.
But the link is lost.

What can be the reason?
Thanks!

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Re: [CDO] References, Cross References, External References [message #553838 is a reply to message #553672] Thu, 19 August 2010 07:04 Go to previous messageGo to next message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6682
Registered: July 2009
Senior Member
This is a multi-part message in MIME format.
--------------050903040107080105020004
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit

Hi Miranda,

Can you please attach an executable snippet of code that reproduces the problem?

Cheers
/Eike

Contact: http://www.esc-net.de Blogger <http://thegordian.blogspot.com>Twitter <http://twitter.com/eikestepper>Linkedin <http://de.linkedin.com/in/eikestepper>Xing <http://www.xing.com/profile/Eike_Stepper>
Article: What exactly is inside that p2 repository? < http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html>

I'm going to Eclipse Summit Europe 2010 <http://www.eclipsesummit.org/>



Am 18.08.2010 14:50, schrieb Miranda:
> Hi, Eike!
>
> Thanks for reply.
> About the first question. I have tried to use CDOXATransaction ,
> but the links are lost from one model to another. I ve created
> transactionA to repo1
> transactionB to repo2
>
> Both of them refer to one resource set. Then to the resource from repo1 i added object with the reference to the object from repo2. And used CDOXATransaction to commit.
> But the link is lost.
>
> What can be the reason?
> Thanks!

--------------050903040107080105020004
Content-Type: multipart/related;
boundary="------------050603090405030300070801"


--------------050603090405030300070801
Content-Type: text/html; charset=UTF-8
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
Hi Miranda,<br>
<br>
Can you please attach an executable snippet of code that reproduces
the problem?<br>
<br>
<!--WISESTAMP_SIG_93023_START--><span style="color: black;">
<div dir="ltr">
<div>Cheers<br>
/Eike<br>
<br>
</div>
<div style="padding: 5px 0pt; font-family: arial,sans-serif;
font-size: 13.3px;"><span style="color: gray;">Contact: <a
href="http://www.esc-net.de">http://www.esc-net.de</a></span>
<a href="http://thegordian.blogspot.com" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part1.05080407.09030106@esc-net.de" alt="Blogger"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a><a
href="http://twitter.com/eikestepper" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part2.07000502.01010408@esc-net.de" alt="Twitter"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a><a
href="http://de.linkedin.com/in/eikestepper" style="padding:
0pt 2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part3.05090909.09040807@esc-net.de"
alt="Linkedin" style="vertical-align: middle;
padding-bottom: 5px;" border="0" height="16" width="16"></a><a
href="http://www.xing.com/profile/Eike_Stepper"
style="padding: 0pt 2px; color: blue; font-size: 10pt;"
_service=""><img
src="cid:part4.05080706.05040503@esc-net.de" alt="Xing"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a></div>
<div style="color: gray; font-size: 13.3px; padding-bottom:
5px;">Article: <span style="color: blue; text-decoration:
underline;"><a
href=" http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html"
undefined="">What exactly is inside that p2 repository?</a></span></div>
<div><br>
<a href="http://www.eclipsesummit.org/"><img
src="cid:part5.00030002.05040602@esc-net.de" alt="I'm
going to Eclipse Summit Europe 2010" border="0"
height="100" width="130"></a>
<br>
<br>
</div>
</div>
</span><!--WISESTAMP_SIG_93023_END--><br>
<br>
Am 18.08.2010 14:50, schrieb Miranda:
<blockquote cite="mid:i4gku6$uqi$1@build.eclipse.org" type="cite">Hi,
Eike!
<br>
<br>
Thanks for reply. <br>
About the first question. I have tried to use CDOXATransaction ,
<br>
but the links are lost from one model to another. I ve created <br>
transactionA to repo1
<br>
transactionB to repo2
<br>
<br>
Both of them refer to one resource set. Then to the resource from
repo1 i added object with the reference to the object from repo2.
And used CDOXATransaction  to commit.
<br>
But the link is lost.
<br>
<br>
What can be the reason?
<br>
Thanks!
<br>
</blockquote>
</body>
</html>

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Bn7gCH7gEQCd7h0EADs=
--------------050603090405030300070801--

--------------050903040107080105020004--

Cheers
/Eike

----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper

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Re: [CDO] References, Cross References, External References [message #555818 is a reply to message #553838] Sun, 29 August 2010 05:44 Go to previous messageGo to next message
Miranda is currently offline MirandaFriend
Messages: 25
Registered: June 2010
Junior Member
Hi,Eike!

I was trying to use these functions
Set<CDOObject> s=new HashSet<CDOObject>();
s.add(o); List<CDOObjectReference> it=transaction.queryXRefs(s);

but got exceptions:

!ENTRY org.eclipse.net4j.util 4 0 2010-08-29 06:43:15.234
!MESSAGE [Ljava.lang.StackTraceElement;
!STACK 0
java.lang.ClassNotFoundException: [Ljava.lang.StackTraceElement;
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInter nal(BundleLoader.java:506)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:410)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.net4j.util.io.ExtendedIOUtil$ClassLoaderClassRes olver.resolveClass(ExtendedIOUtil.java:276)
at org.eclipse.net4j.util.io.ExtendedIOUtil$3.resolveClass(Exte ndedIOUtil.java:143)
at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
at java.io.ObjectInputStream.readClassDesc(Unknown Source)
at java.io.ObjectInputStream.readArray(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
at java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.io.ObjectInputStream.readObject0(Unknown Source)
at java.io.ObjectInputStream.readObject(Unknown Source)
at org.eclipse.net4j.util.io.ExtendedIOUtil.readObject(Extended IOUtil.java:157)
at org.eclipse.net4j.util.io.ExtendedIOUtil.readObject(Extended IOUtil.java:111)
at org.eclipse.net4j.util.io.ExtendedDataInputStream.readObject (ExtendedDataInputStream.java:54)
at org.eclipse.net4j.signal.RemoteExceptionIndication.indicatin g(RemoteExceptionIndication.java:46)
at org.eclipse.net4j.signal.Indication.doExtendedInput(Indicati on.java:55)
at org.eclipse.net4j.signal.Signal.doInput(Signal.java:315)
at org.eclipse.net4j.signal.Indication.execute(Indication.java: 49)
at org.eclipse.net4j.signal.Signal.runSync(Signal.java:240)
at org.eclipse.net4j.signal.Signal.run(Signal.java:146)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unkno wn Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)

!ENTRY org.eclipse.emf.common 2 0 2010-08-29 06:43:28.843
!MESSAGE An exception was ignored during command execution
!STACK 0
org.eclipse.emf.common.util.WrappedException: An exception was ignored during command execution
at org.eclipse.emf.common.command.BasicCommandStack.handleError (BasicCommandStack.java:287)
at org.eclipse.emf.common.command.BasicCommandStack.execute(Bas icCommandStack.java:118)
at org.eclipse.emf.edit.ui.action.CommandActionHandler.run(Comm andActionHandler.java:92)
at org.eclipse.ui.actions.BaseSelectionListenerAction.runWithEv ent(BaseSelectionListenerAction.java:168)
at org.eclipse.jface.action.ActionContributionItem.handleWidget Selection(ActionContributionItem.java:584)
at org.eclipse.jface.action.ActionContributionItem.access$2(Act ionContributionItem.java:501)
at org.eclipse.jface.action.ActionContributionItem$5.handleEven t(ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:4066)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3657)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2629)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:24 27)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
at org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:663)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:115)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 619)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
Caused by: org.eclipse.net4j.signal.RemoteException: java.lang.UnsupportedOperationException
at org.eclipse.net4j.signal.RequestWithConfirmation.setRemoteEx ception(RequestWithConfirmation.java:128)
at org.eclipse.net4j.signal.SignalProtocol.handleRemoteExceptio n(SignalProtocol.java:535)
at org.eclipse.net4j.signal.RemoteExceptionIndication.indicatin g(RemoteExceptionIndication.java:53)
at org.eclipse.net4j.signal.Indication.doExtendedInput(Indicati on.java:55)
at org.eclipse.net4j.signal.Signal.doInput(Signal.java:315)
at org.eclipse.net4j.signal.Indication.execute(Indication.java: 49)
at org.eclipse.net4j.signal.Signal.runSync(Signal.java:240)
at org.eclipse.net4j.signal.Signal.run(Signal.java:146)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unkno wn Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.UnsupportedOperationException
at org.eclipse.emf.cdo.server.internal.db.mapping.horizontal.Ab stractHorizontalMappingStrategy.queryXRefs(AbstractHorizonta lMappingStrategy.java:111)
at org.eclipse.emf.cdo.server.internal.db.DBStoreAccessor.query XRefs(DBStoreAccessor.java:290)
at org.eclipse.emf.cdo.internal.server.XRefsQueryHandler.execut eQuery(XRefsQueryHandler.java:63)
at org.eclipse.emf.cdo.internal.server.QueryManager$QueryContex t.run(QueryManager.java:275)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
... 3 more

What can be the reason?
Thanks in advance!

[Updated on: Sun, 29 August 2010 05:44]

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Re: [CDO] References, Cross References, External References [message #555825 is a reply to message #555818] Sun, 29 August 2010 08:55 Go to previous messageGo to next message
Eike Stepper is currently offline Eike StepperFriend
Messages: 6682
Registered: July 2009
Senior Member
This is a multi-part message in MIME format.
--------------010003060600020607030503
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit

Hi Miranda,

The DBStore 3.0 does not support the XRef functionality. This support has been added shortly after 3.0 and is available in the MAIN branch and current integration builds: https://build.eclipse.org/hudson/job/emf-cdo-integration/las tSuccessfulBuild/artifact/result/site.p2/

Cheers
/Eike

Contact: http://www.esc-net.de Blogger <http://thegordian.blogspot.com>Twitter <http://twitter.com/eikestepper>Linkedin <http://de.linkedin.com/in/eikestepper>Xing <http://www.xing.com/profile/Eike_Stepper>
Article: What exactly is inside that p2 repository? < http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html>

I'm going to Eclipse Summit Europe 2010 <http://www.eclipsesummit.org/>



Am 29.08.2010 07:44, schrieb Miranda:
> Hi,Eike!
>
> I was trying to use these functions
> Set<CDOObject> s=new HashSet<CDOObject>();
> s.add(o); List<CDOObjectReference> it=transaction.queryXRefs(s);
>
> but got exceptions:
>
> !ENTRY org.eclipse.net4j.util 4 0 2010-08-29 06:43:15.234
> !MESSAGE [Ljava.lang.StackTraceElement;
> !STACK 0
> java.lang.ClassNotFoundException: [Ljava.lang.StackTraceElement;
> at org.eclipse.osgi.internal.loader.BundleLoader.findClassInter nal(BundleLoader.java:506)
> at org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:422)
> at org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund leLoader.java:410)
> at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa dClass(DefaultClassLoader.java:107)
> at java.lang.ClassLoader.loadClass(Unknown Source)
> at org.eclipse.net4j.util.io.ExtendedIOUtil$ClassLoaderClassRes olver.resolveClass(ExtendedIOUtil.java:276)
> at org.eclipse.net4j.util.io.ExtendedIOUtil$3.resolveClass(Exte ndedIOUtil.java:143)
> at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
> at java.io.ObjectInputStream.readClassDesc(Unknown Source)
> at java.io.ObjectInputStream.readArray(Unknown Source)
> at java.io.ObjectInputStream.readObject0(Unknown Source)
> at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
> at java.io.ObjectInputStream.readSerialData(Unknown Source)
> at java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
> at java.io.ObjectInputStream.readObject0(Unknown Source)
> at java.io.ObjectInputStream.readObject(Unknown Source)
> at org.eclipse.net4j.util.io.ExtendedIOUtil.readObject(Extended IOUtil.java:157)
> at org.eclipse.net4j.util.io.ExtendedIOUtil.readObject(Extended IOUtil.java:111)
> at org.eclipse.net4j.util.io.ExtendedDataInputStream.readObject (ExtendedDataInputStream.java:54)
> at org.eclipse.net4j.signal.RemoteExceptionIndication.indicatin g(RemoteExceptionIndication.java:46)
> at org.eclipse.net4j.signal.Indication.doExtendedInput(Indicati on.java:55)
> at org.eclipse.net4j.signal.Signal.doInput(Signal.java:315)
> at org.eclipse.net4j.signal.Indication.execute(Indication.java: 49)
> at org.eclipse.net4j.signal.Signal.runSync(Signal.java:240)
> at org.eclipse.net4j.signal.Signal.run(Signal.java:146)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unkno wn Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
>
> !ENTRY org.eclipse.emf.common 2 0 2010-08-29 06:43:28.843
> !MESSAGE An exception was ignored during command execution
> !STACK 0
> org.eclipse.emf.common.util.WrappedException: An exception was ignored during command execution
> at org.eclipse.emf.common.command.BasicCommandStack.handleError (BasicCommandStack.java:287)
> at org.eclipse.emf.common.command.BasicCommandStack.execute(Bas icCommandStack.java:118)
> at org.eclipse.emf.edit.ui.action.CommandActionHandler.run(Comm andActionHandler.java:92)
> at org.eclipse.ui.actions.BaseSelectionListenerAction.runWithEv ent(BaseSelectionListenerAction.java:168)
> at org.eclipse.jface.action.ActionContributionItem.handleWidget Selection(ActionContributionItem.java:584)
> at org.eclipse.jface.action.ActionContributionItem.access$2(Act ionContributionItem.java:501)
> at org.eclipse.jface.action.ActionContributionItem$5.handleEven t(ActionContributionItem.java:411)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
> at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja va:4066)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java :3657)
> at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav a:2629)
> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
> at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:24 27)
> at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
> at org.eclipse.core.databinding.observable.Realm.runWithDefault (Realm.java:332)
> at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work bench.java:663)
> at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j ava:149)
> at org.eclipse.ui.internal.ide.application.IDEApplication.start (IDEApplication.java:115)
> at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips eAppHandle.java:196)
> at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .runApplication(EclipseAppLauncher.java:110)
> at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher .start(EclipseAppLauncher.java:79)
> at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:369)
> at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS tarter.java:179)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 619)
> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
> at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
> at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
> Caused by: org.eclipse.net4j.signal.RemoteException: java.lang.UnsupportedOperationException
> at org.eclipse.net4j.signal.RequestWithConfirmation.setRemoteEx ception(RequestWithConfirmation.java:128)
> at org.eclipse.net4j.signal.SignalProtocol.handleRemoteExceptio n(SignalProtocol.java:535)
> at org.eclipse.net4j.signal.RemoteExceptionIndication.indicatin g(RemoteExceptionIndication.java:53)
> at org.eclipse.net4j.signal.Indication.doExtendedInput(Indicati on.java:55)
> at org.eclipse.net4j.signal.Signal.doInput(Signal.java:315)
> at org.eclipse.net4j.signal.Indication.execute(Indication.java: 49)
> at org.eclipse.net4j.signal.Signal.runSync(Signal.java:240)
> at org.eclipse.net4j.signal.Signal.run(Signal.java:146)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unkno wn Source)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
> at java.lang.Thread.run(Unknown Source)
> Caused by: java.lang.UnsupportedOperationException
> at org.eclipse.emf.cdo.server.internal.db.mapping.horizontal.Ab stractHorizontalMappingStrategy.queryXRefs(AbstractHorizonta lMappingStrategy.java:111)
> at org.eclipse.emf.cdo.server.internal.db.DBStoreAccessor.query XRefs(DBStoreAccessor.java:290)
> at org.eclipse.emf.cdo.internal.server.XRefsQueryHandler.execut eQuery(XRefsQueryHandler.java:63)
> at org.eclipse.emf.cdo.internal.server.QueryManager$QueryContex t.run(QueryManager.java:275)
> at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
> at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
> at java.util.concurrent.FutureTask.run(Unknown Source)
> ... 3 more
>
> Thanks in advance!
>

--------------010003060600020607030503
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boundary="------------000404010304040208060108"


--------------000404010304040208060108
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: 8bit

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Hi Miranda,<br>
<br>
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
<meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
The DBStore 3.0 does not support the XRef functionality. This
support has been added shortly after 3.0 and is available in the
MAIN branch and current integration builds:
<a class="moz-txt-link-freetext" href=" https://build.eclipse.org/hudson/job/emf-cdo-integration/las tSuccessfulBuild/artifact/result/site.p2/"> https://build.eclipse.org/hudson/job/emf-cdo-integration/las tSuccessfulBuild/artifact/result/site.p2/</a><br>
<br>
<!--WISESTAMP_SIG_46990_START--><span style="color: black;">
<div dir="ltr">
<div>Cheers<br>
/Eike<br>
<br>
</div>
<div style="padding: 5px 0pt; font-family: arial,sans-serif;
font-size: 13.3px;"><span style="color: gray;">Contact: <a
href="http://www.esc-net.de">http://www.esc-net.de</a></span>
<a href="http://thegordian.blogspot.com" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part1.08050301.08070907@esc-net.de" alt="Blogger"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a><a
href="http://twitter.com/eikestepper" style="padding: 0pt
2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part2.01070800.00090508@esc-net.de" alt="Twitter"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a><a
href="http://de.linkedin.com/in/eikestepper" style="padding:
0pt 2px; color: blue; font-size: 10pt;" _service=""><img
src="cid:part3.07000206.03000009@esc-net.de"
alt="Linkedin" style="vertical-align: middle;
padding-bottom: 5px;" border="0" height="16" width="16"></a><a
href="http://www.xing.com/profile/Eike_Stepper"
style="padding: 0pt 2px; color: blue; font-size: 10pt;"
_service=""><img
src="cid:part4.08020804.01080003@esc-net.de" alt="Xing"
style="vertical-align: middle; padding-bottom: 5px;"
border="0" height="16" width="16"></a></div>
<div style="color: gray; font-size: 13.3px; padding-bottom:
5px;">Article: <span style="color: blue; text-decoration:
underline;"><a
href=" http://thegordian.blogspot.com/2010/05/what-exactly-is-insid e-that-p2.html"
undefined="">What exactly is inside that p2 repository?</a></span></div>
<div><br>
<a href="http://www.eclipsesummit.org/"><img
src="cid:part5.01030900.07020407@esc-net.de" alt="I'm
going to Eclipse Summit Europe 2010" border="0"
height="100" width="130"></a>
<br>
<br>
</div>
</div>
</span><!--WISESTAMP_SIG_46990_END--><br>
<br>
Am 29.08.2010 07:44, schrieb Miranda:
<blockquote cite="mid:i5cs3f$ebg$1@build.eclipse.org" type="cite">Hi,Eike!
<br>
<br>
I was trying to use these functions
<br>
Set&lt;CDOObject&gt; s=new HashSet&lt;CDOObject&gt;();
<br>
s.add(o);                         List&lt;CDOObjectReference&gt;
it=transaction.queryXRefs(s);
<br>
<br>
but got exceptions:
<br>
<br>
!ENTRY org.eclipse.net4j.util 4 0 2010-08-29 06:43:15.234
<br>
!MESSAGE [Ljava.lang.StackTraceElement;
<br>
!STACK 0
<br>
java.lang.ClassNotFoundException: [Ljava.lang.StackTraceElement;
<br>
    at 
org.eclipse.osgi.internal.loader.BundleLoader.findClassInter
nal(BundleLoader.java:506)
<br>
    at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund
leLoader.java:422)
<br>
    at 
org.eclipse.osgi.internal.loader.BundleLoader.findClass(Bund
leLoader.java:410)
<br>
    at 
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loa
dClass(DefaultClassLoader.java:107)
<br>
    at java.lang.ClassLoader.loadClass(Unknown Source)
<br>
    at 
org.eclipse.net4j.util.io.ExtendedIOUtil$ClassLoaderClassRes
olver.resolveClass(ExtendedIOUtil.java:276)
<br>
    at 
org.eclipse.net4j.util.io.ExtendedIOUtil$3.resolveClass(Exte
ndedIOUtil.java:143)
<br>
    at java.io.ObjectInputStream.readNonProxyDesc(Unknown Source)
<br>
    at java.io.ObjectInputStream.readClassDesc(Unknown Source)
<br>
    at java.io.ObjectInputStream.readArray(Unknown Source)
<br>
    at java.io.ObjectInputStream.readObject0(Unknown Source)
<br>
    at java.io.ObjectInputStream.defaultReadFields(Unknown Source)
<br>
    at java.io.ObjectInputStream.readSerialData(Unknown Source)
<br>
    at java.io.ObjectInputStream.readOrdinaryObject(Unknown
Source)
<br>
    at java.io.ObjectInputStream.readObject0(Unknown Source)
<br>
    at java.io.ObjectInputStream.readObject(Unknown Source)
<br>
    at 
org.eclipse.net4j.util.io.ExtendedIOUtil.readObject(Extended
IOUtil.java:157)
<br>
    at 
org.eclipse.net4j.util.io.ExtendedIOUtil.readObject(Extended
IOUtil.java:111)
<br>
    at 
org.eclipse.net4j.util.io.ExtendedDataInputStream.readObject
(ExtendedDataInputStream.java:54)
<br>
    at 
org.eclipse.net4j.signal.RemoteExceptionIndication.indicatin
g(RemoteExceptionIndication.java:46)
<br>
    at 
org.eclipse.net4j.signal.Indication.doExtendedInput(Indicati
on.java:55)
<br>
    at org.eclipse.net4j.signal.Signal.doInput(Signal.java:315)
<br>
    at 
org.eclipse.net4j.signal.Indication.execute(Indication.java: 49)
<br>
    at org.eclipse.net4j.signal.Signal.runSync(Signal.java:240)
<br>
    at org.eclipse.net4j.signal.Signal.run(Signal.java:146)
<br>
    at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unkno wn
Source)
<br>
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
<br>
    at java.lang.Thread.run(Unknown Source)
<br>
<br>
!ENTRY org.eclipse.emf.common 2 0 2010-08-29 06:43:28.843
<br>
!MESSAGE An exception was ignored during command execution
<br>
!STACK 0
<br>
org.eclipse.emf.common.util.WrappedException: An exception was
ignored during command execution
<br>
    at 
org.eclipse.emf.common.command.BasicCommandStack.handleError
(BasicCommandStack.java:287)
<br>
    at 
org.eclipse.emf.common.command.BasicCommandStack.execute(Bas
icCommandStack.java:118)
<br>
    at 
org.eclipse.emf.edit.ui.action.CommandActionHandler.run(Comm
andActionHandler.java:92)
<br>
    at 
org.eclipse.ui.actions.BaseSelectionListenerAction.runWithEv
ent(BaseSelectionListenerAction.java:168)
<br>
    at 
org.eclipse.jface.action.ActionContributionItem.handleWidget
Selection(ActionContributionItem.java:584)
<br>
    at 
org.eclipse.jface.action.ActionContributionItem.access$2(Act
ionContributionItem.java:501)
<br>
    at 
org.eclipse.jface.action.ActionContributionItem$5.handleEven
t(ActionContributionItem.java:411)
<br>
    at 
org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java :84)
<br>
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
<br>
    at 
org.eclipse.swt.widgets.Display.runDeferredEvents(Display.ja
va:4066)
<br>
    at 
org.eclipse.swt.widgets.Display.readAndDispatch(Display.java
:3657)
<br>
    at 
org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.jav
a:2629)
<br>
    at 
org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2593)
<br>
    at 
org.eclipse.ui.internal.Workbench.access$4(Workbench.java:24 27)
<br>
    at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:670)
<br>
    at 
org.eclipse.core.databinding.observable.Realm.runWithDefault
(Realm.java:332)
<br>
    at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Work
bench.java:663)
<br>
    at 
org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.j
ava:149)
<br>
    at 
org.eclipse.ui.internal.ide.application.IDEApplication.start
(IDEApplication.java:115)
<br>
    at 
org.eclipse.equinox.internal.app.EclipseAppHandle.run(Eclips
eAppHandle.java:196)
<br>
    at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher
.runApplication(EclipseAppLauncher.java:110)
<br>
    at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher
.start(EclipseAppLauncher.java:79)
<br>
    at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS
tarter.java:369)
<br>
    at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseS
tarter.java:179)
<br>
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
<br>
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
<br>
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown
Source)
<br>
    at java.lang.reflect.Method.invoke(Unknown Source)
<br>
    at 
org.eclipse.equinox.launcher.Main.invokeFramework(Main.java: 619)
<br>
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)
<br>
    at org.eclipse.equinox.launcher.Main.run(Main.java:1407)
<br>
    at org.eclipse.equinox.launcher.Main.main(Main.java:1383)
<br>
Caused by: org.eclipse.net4j.signal.RemoteException:
java.lang.UnsupportedOperationException
<br>
    at 
org.eclipse.net4j.signal.RequestWithConfirmation.setRemoteEx
ception(RequestWithConfirmation.java:128)
<br>
    at 
org.eclipse.net4j.signal.SignalProtocol.handleRemoteExceptio
n(SignalProtocol.java:535)
<br>
    at 
org.eclipse.net4j.signal.RemoteExceptionIndication.indicatin
g(RemoteExceptionIndication.java:53)
<br>
    at 
org.eclipse.net4j.signal.Indication.doExtendedInput(Indicati
on.java:55)
<br>
    at org.eclipse.net4j.signal.Signal.doInput(Signal.java:315)
<br>
    at 
org.eclipse.net4j.signal.Indication.execute(Indication.java: 49)
<br>
    at org.eclipse.net4j.signal.Signal.runSync(Signal.java:240)
<br>
    at org.eclipse.net4j.signal.Signal.run(Signal.java:146)
<br>
    at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unkno wn
Source)
<br>
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
<br>
    at java.lang.Thread.run(Unknown Source)
<br>
Caused by: java.lang.UnsupportedOperationException
<br>
    at 
org.eclipse.emf.cdo.server.internal.db.mapping.horizontal.Ab
stractHorizontalMappingStrategy.queryXRefs(AbstractHorizonta
lMappingStrategy.java:111)
<br>
    at 
org.eclipse.emf.cdo.server.internal.db.DBStoreAccessor.query
XRefs(DBStoreAccessor.java:290)
<br>
    at 
org.eclipse.emf.cdo.internal.server.XRefsQueryHandler.execut
eQuery(XRefsQueryHandler.java:63)
<br>
    at 
org.eclipse.emf.cdo.internal.server.QueryManager$QueryContex
t.run(QueryManager.java:275)
<br>
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown
Source)
<br>
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown
Source)
<br>
    at java.util.concurrent.FutureTask.run(Unknown Source)
<br>
    ... 3 more
<br>
<br>
Thanks in advance!
<br>
<br>
</blockquote>
</body>
</html>

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Cheers
/Eike

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Re: [CDO] References, Cross References, External References [message #555842 is a reply to message #555825] Sun, 29 August 2010 13:28 Go to previous message
Miranda is currently offline MirandaFriend
Messages: 25
Registered: June 2010
Junior Member
Thanks a lot!

Everything is working now!Wink

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