How to get before and after state from a IChange?

S M

(86●2●20●23) Aug 08 '12, 6:21 a.m.

I have a IChange respectively a IChangeSetHandle object. Now I would like to see the file that is represented by this state, as well as the difference between the before and the after state.

But I don't know how to really get the file from a IChange object. Any hints?

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Jia Jia Li

Nov 13 '12, 9:20 a.m.

Any progress for this question? S M, could you attach your solution?

Tim Mok

JAZZ DEVELOPER Nov 13 '12, 9:25 a.m.

Have you tried John's suggestion below? The IChange provides the before and after states that can be fetched with IVersionableManager or IScmItemService.

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Jia Jia Li

(805●8●157●192) Nov 13 '12, 11:38 a.m.

Hi, Tim

You are right if I use data.getSourceWorkspace, the file name is the old file name. Thanks!

ServiceConfigurationProvider configProvider = ServiceConfigurationProvider.FACTORY.create(

data.getSourceWorkspace(), changeSet.getComponent());

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John Camelon

JAZZ DEVELOPER (1.7k●1●4) Aug 10 '12, 6:30 a.m.

Fetch using IVersionableManager or IScmItemService.

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Jia Jia Li

(805●8●157●192) Nov 13 '12, 9:40 a.m.

Hi, Tim

If some one rename the source file eg rename file1 to file2, there will be one "rename" change and shows file2 (moved from file1)

I want to get the file1 and file2 name to do some pre-condition, so I used the following code, but seems both change.beforeState() and change.afterState() return file2. Can you help to figure out?

IVersionableHandle versionableHandle = change.beforeState();

if (change.kind() == IChange.RENAME) {

versionableHandle = change.afterState();

}

ServiceConfigurationProvider configProvider = ServiceConfigurationProvider.FACTORY.create(

data.getDestWorkspace(), changeSet.getComponent());

IVersionable item = (IVersionable) scmService.fetchState(versionableHandle, null, null);

IAncestorReport reports[] = scmService.configurationLocateAncestors(

configProvider, new IVersionableHandle[] {versionableHandle}, null, null);

String filename=toFullPath(item, reports[0].getNameItemPairs());

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Tim Mok

JAZZ DEVELOPER Nov 13 '12, 9:48 a.m.

My guess is that you're using the destination workspace for the configuration provider. Since the change set hasn't been delivered yet, it won't have the renamed state. I don't know if this would be an issue but it looks like it could be a problem. The other issue is you have to get the paths for both states but your code only uses the after state to get the path.

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Jia Jia Li

Nov 13 '12, 10:07 a.m.

Thanks Tim. So 1. I should use data.getSourceWorkspace, is that right? 2. It is sample code, I have tried afterState and beforeState to get path. Is that what you mentioned IVersionableManager or IScmItemService?

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Question asked: Aug 08 '12, 6:21 a.m.

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Last updated: Nov 13 '12, 11:38 a.m.

How to get before and after state from a IChange?

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