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question asked: Oct 25 '12, 9:56 a.m.
question was seen: 4,003 times
last updated: Oct 25 '12, 4:29 p.m.

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How to access change set file information

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Adrian Ronayne (23●3●6) | asked Oct 25 '12, 9:56 a.m.
 How can I access the files created/modified by a change set using the java API's ? I cannot find any documentation on how to accomplish this.

Here is the closest doc I have found : https://jazz.net/forum/questions/38090/get-files-referred-in-a-change-set-via-rest-apis but it falls short in actually showing how to implement getVersionable.

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DJ Houghton (266●3) | answered Oct 25 '12, 10:25 a.m.
FORUM MODERATOR / JAZZ DEVELOPER
What object types do you have? The API on IScmService might be useful. Check out #getHistoryForVersionable. From there you can get the ChangeHistoryEntry, which gives you the ChangeSetHandle, which you can do a fetch on to get the IChangeSet, and then you can get the list of IChanges, which gets you the handles to the before and after state. 
  
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Adrian Ronayne commented Oct 25 '12, 11:06 a.m.

What do you mean by 'object types' ? All I want to display is a listing of files delivered for a given stream along with the author of that delivered file. Where can I find the IScmService API ? 
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DJ Houghton (266●3) | answered Oct 25 '12, 4:29 p.m.
FORUM MODERATOR / JAZZ DEVELOPER
Sorry, I was confused on which APIs you were using, the ones I referred to probably not available to you. Here is a (warning: completely untested) snippet of code which might help you if you're using the plain Java APIs. 

    public static void main(ITeamRepository repo) throws Exception {

        IWorkspaceManager wsmgr = SCMPlatform.getWorkspaceManager(repo);

        IItemManager imgr = (IItemManager) repo.getClientLibrary(IItemManager.class);

        IVersionableManager vmgr = (IVersionableManager) repo.getClientLibrary(IVersionableManager.class);


        IChangeSetSearchCriteria criteria = IChangeSetSearchCriteria.FACTORY.newInstance();

        // TODO set the cs search criteria

        

        List<IChangeSetHandle> list = wsmgr.findChangeSets(criteria, 100, null);

        for (IChangeSetHandle handle : list) {

            IChangeSet cs = (IChangeSet) imgr.fetchCompleteState(handle, null);

            IContributorHandle authorHandle = cs.getAuthor();

            IContributor author = (IContributor) imgr.fetchCompleteState(authorHandle, null);

            // TODO do something with the author


            List<IChange> changes = cs.changes();

            for (IChange change : changes) {

                IVersionableHandle beforeHandle = change.beforeState();

                IVersionable before = vmgr.fetchCompleteState(beforeHandle, null);

                // TODO do something with the before state


                IVersionableHandle afterHandle = change.afterState();

                IVersionable after = vmgr.fetchCompleteState(afterHandle, null);

                // TODO do something with the after state

            }

        }

    }


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