Set and get method for Attribute Type for "ItemList and Item"

Question

Hi ,

I need to set and get the values of custome attribute in RTC . Those attribute identiifers are itemList and item.

Could you please lte me know which RTC Java API can be used for the same.

Thanks

Monali

Answer 1

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Lauren Hayward Schaefer (3.3k●1●14●27) | answered Sep 12 '12, 7:13 a.m.
JAZZ DEVELOPER

Hi Monali,

The following snippet should get you started:

//Instead of getting the first custom attribute here, you would search through the list to find the correct one
com.ibm.team.workitem.common.model.IAttributeHandle handle = workItem.getCustomAttributes().get(0);
com.ibm.team.workitem.common.model.IAttribute attribute = (IAttribute) teamRepository.itemManager().fetchCompleteItem(handle, IItemManager.DEFAULT, new NullProgressMonitor());
System.out.println("The attribute id: " + attribute.getIdentifier());
System.out.println("The attribute name: " + attribute.getDisplayName());
System.out.println("The value of the custom attribute: " + workItem.getValue(attribute));
workItem.setValue(attribute, "new value");

Comments

Monali Jambhulkar commented Sep 14 '12, 1:51 a.m.

Hi Lauren,

We tried this approach for attribute type 'Item' but we are getting following exception while setting the attribute's value at line workItem.setValue(attribute, "new value");

java.lang.ClassCastException: java.lang.String cannot be cast to com.ibm.team.workitem.common.model.Identifier at com.ibm.team.workitem.common.internal.model.impl.WorkItemImpl.setValue(WorkItemImpl.java:2947)

Please suggest.

Answer 2

Hi Monali,

The type of the value you use will need to match whatever the type of your attribute is. For example, I created a custom attribute of type Item and then set the item type to Work Item. So instead of calling workItem.setValue with a String "my value", I called workItem.setValue with an IWorkItem:

com.ibm.team.workitem.common.model.IAttributeHandle handle2 = workItem.getCustomAttributes().get(1);
com.ibm.team.workitem.common.model.IAttribute attribute2 = (com.ibm.team.workitem.common.model.IAttribute) teamRepository.itemManager().fetchCompleteItem(handle2, IItemManager.DEFAULT, new NullProgressMonitor())
System.out.println("The attribute id: " + attribute2.getIdentifier());
System.out.println("The attribute name: " + attribute2.getDisplayName());
System.out.println("The value of the custom attribute: " + workItem.getValue(attribute2));
//Getting the handle for work item 15
IWorkItem handleOfWorkItemToSet = getWorkItemHandle(15, teamRepository);
manager.connect(handleOfWorkItemToSet, IWorkItem.SMALL_PROFILE, progress.newChild(20));
IWorkItem workItemToSet = manager.getWorkingCopy(handleOfWorkItemToSet).getWorkItem();
workItem.setValue(attribute2, workItemToSet);

I have the following getWorkItemHandle method defined:

    /**
     * Get the work item handle associated with the given work item id number
     * @param workItemId The id number of the work item
     * @param repo The team repository
     * @return The work item handle associated with the given work item
     * @throws TeamRepositoryException
     */
    private IWorkItem getWorkItemHandle (int workItemId, ITeamRepository repo) throws TeamRepositoryException{
        IWorkItemClient workItemClient= (IWorkItemClient)repo.getClientLibrary(IWorkItemClient.class);
        IWorkItem handle= workItemClient.findWorkItemById(workItemId, IWorkItem.SMALL_PROFILE, monitor);
        if (handle == null) {
           throw new TeamRepositoryException(NLS.bind(Messages.WorkItemCommenter_UNABLE_TO_FIND_WORK_ITEM, workItemId));
        }
        return handle;
    }

It's all about the answers!

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