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question asked: Aug 25 '14, 4:35 a.m.
question was seen: 7,306 times
last updated: May 18 '17, 1:46 p.m.

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How to retrieve the changesets associated to a workitem via Java API

0
Luca Martinucci (1.0k●3●97●112) | asked Aug 25 '14, 4:35 a.m.
I am developing a Java extension (a follow-up action) to RTC 4.0.5, and I need to retrieve the list of changesets associated to a work item.
I have already managed  to retrieve a IWorkItem object; how can I retrieve its changesets (using server-side classes)?
Comments
1
Kevin Eifinger commented Sep 02 '14, 5:25 a.m. | edited Sep 03 '14, 3:23 a.m.
Hi Luca,

I have never done this but
I'd try to iterate over the links and find links which link to a changeset.

You can retrieve all links from a workItem with:
workItemCommon.resolveWorkItemReferences(workItem, monitor)

Hope this helps

Accepted answer

3
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Olivier CRIDLIG (52●6●10) | answered Sep 02 '14, 11:52 a.m.
 Hi,

see below an example :

     private List<IChangeSet> getChangeSets(IWorkItem wi)
             throws TeamRepositoryException {
        
         IRepositoryItemService repositoryItemService = getService(IRepositoryItemService.class);

         ILinkService linkService = getService(ILinkService.class);
         ILinkServiceLibrary linkLibrary = (ILinkServiceLibrary) linkService
                 .getServiceLibrary(ILinkServiceLibrary.class);
         IItemReference workItemRef = IReferenceFactory.INSTANCE
                 .createReferenceToItem(wi);
         ILinkQueryPage linkPage = linkLibrary.findLinks(
                 WorkItemLinkTypes.CHANGE_SET, workItemRef);

         List<IChangeSet> changeSets = new ArrayList<IChangeSet>();

         for (ILink link : linkPage.getAllLinksFromHereOn()) {
             // Change set links should be item references
             IChangeSetHandle changeSetHandle = (IChangeSetHandle) link
                     .getSourceRef().resolve();
             IChangeSet changeSet = (IChangeSet) repositoryItemService
                     .fetchItem(changeSetHandle, IRepositoryItemService.COMPLETE);
             changeSets.add(changeSet);
         }
         return changeSets;
     }


Luca Martinucci selected this answer as the correct answer
Comments
Luca Martinucci commented Sep 04 '14, 5:59 a.m.

Olivier, thanks for providing me with this example: it worked, with some minor corrections.

Alissa Ahrens commented May 18 '17, 10:43 a.m. | edited May 18 '17, 11:36 a.m.

 Hello,


In this example there is getService method: 
         IRepositoryItemService repositoryItemService = getService(IRepositoryItemService.class); 
         ILinkService linkService = getService(ILinkService.class);


Where does this come from/what are the contents of this method? 

Thanks!

Ralph Schoon commented May 18 '17, 1:44 p.m. | edited May 18 '17, 1:46 p.m.
FORUM ADMINISTRATOR / FORUM MODERATOR / JAZZ DEVELOPER

That is server side API. The extension extends AbstractService which provides getService().

See https://rsjazz.wordpress.com/2016/02/03/setting-access-control-permissions-for-scm-versionables/ for server and Client API. See https://rsjazz.wordpress.com/2015/09/30/learning-to-fly-getting-started-with-the-rtc-java-apis/ to get started.

3 other answers

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vikrant kamble (132●38●97) | answered Aug 14 '15, 5:30 a.m.
 Hi lucca?
Do you know how can we get filenames of changeset associated to work item
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Olivier CRIDLIG (52●6●10) | answered Aug 14 '15, 10:15 a.m.
 Hi,
 
 I think it should work :
 
 
 for (Object o : changeSet.changes()) {
     IChange change = (IChange) o;
     IVersionableHandle handle = change.item();
    
     IVersionable afterVersionable = workspaceManager.versionableManager().fetchCompleteState(handle, new SysoutProgressMonitor());
     afterVersionable.getName();
}
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vikrant kamble (132●38●97) | answered Sep 07 '15, 9:04 a.m.
 Hi Olivier,
In your above answer to fetch change set associated to work item, you have used server API.
Could you please tell me about java client API which does similar thing.
I figured out that instead of IRepositoryItemService we can use IItemManager at client side.
instead of ILinkServiceLibrary we can use ILinkManager at client side. 
Other are common API.
but 
 IChangeSet changeSet = (IChangeSet) repositoryItemService
                     .fetchItem(changeSetHandle, IRepositoryItemService.COMPLETE);

I replaced it with

IChangeSet changeSet = (IChangeSet) itemManager.fetchCompleteItem(changeSetHandle,itemManager.DEFAULT, monitor);
but at this line it is throwing null pointer exception
Could you please tell me about client API which will does similar thing.

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