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question asked: Oct 14 '14, 12:33 p.m.
question was seen: 2,764 times
last updated: Oct 14 '14, 5:39 p.m.

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How to set a Contributor field to Assigned with Java API

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Luiz Almeida (230●1●55●89) | asked Oct 14 '14, 12:33 p.m.
Hello masters,
I am developing a plugin that update some attributes, including one of type "Contributor". Based on a condition, I have to set this contributor to "Unassigned". Follow my code:

IAttribute tecnicoUGE = wiCommon.findAttribute(workItem.getProjectArea(), "tecnico_responsavel_uge", monitor);
IRepositoryItemService repositorio = getService(IRepositoryItemService.class);
IContributorHandle handleTecUge = (IContributorHandle) workingCopy.getValue(tecnicoUGE);
IContributor tecUGE = (IContributor) repositorio.fetchItem(handleTecUge, IRepositoryItemService.COMPLETE);
tecUGE.setName("Unassigned");

When setName is executed, the followin exception is raised:

13:29:44,585 [2058648244@qtp-1401967504-35 @@ 13:29 TestJazzAdmin1 /jazz/service/com.ibm.team.workitem.common.internal.rest.IWorkItemRestService/workItem2] ERROR com.ibm.team.process.common                         -
com.ibm.team.repository.common.internal.ImmutablePropertyException

What am I doing wrong? How to set "unassigned" to attribute of Contributor type?

Thanks for any help.

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sam detweiler (12.5k●6●195●201) | answered Oct 14 '14, 12:53 p.m.
edited Oct 14 '14, 1:13 p.m.
>tecUGE.setName("Unassigned");
U are attempting to change the Contributors (users) name.. that is not allowed.

You want to change the ATTRIBUTE's value to Unassigned  (which may be the default, or the null value)

tecnicoUGE.getDefaultvalue(....) (see the Javadoc)

then IWorkItem.setValue(tecnicoUGE, default_value), see the javadoc
(this make sense because attributes only exist in the context of a workitem.)

might also be the Nullvalue
tecnicoUGE.getNullValue(...)  see the javadoc

also, your topic title says 'Assigned', but your text says 'Unassigned'..

if you want to assign to a specific user

IContributorHandle newOwner;
then IWorkItem.setValue(tecnicoUGE, newOwner);


Luiz Almeida selected this answer as the correct answer
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Luiz Almeida commented Oct 14 '14, 5:39 p.m.

Thank you, Sam.

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