Creation of Child Iterations

Question

I have to extend a child iteration for several timelines. With the help of understanding and using the rtc java client api I was able to get the right parent iteration. Creating a new Iteration in general was also not an issue but now I struggle in adding this iteration as child. Here's the my actual code:

IIteration planIteration = deveLineHelper

.findIteration(owningProcessArea.getProjectArea(),

path, DevelopmentLineHelper.BYLABEL);

IIteration newIter = (IIteration) IIteration.ITEM_TYPE.createItem();

newIter.setName("iterationName");

newIter.setId("iterationID");

newIter.setStartDate(new Date(YYYY, MM, DD, HH, MM, SS));

newIter.setEndDate(new Date(YYYY, MM, DD, HH, MM, SS));

newIter.setParent(planIteration);

planIteration.addChild(newIter);

Set parent went fine so far but when adding the child it always failed with the exception:

Exception in thread "main" com.ibm.team.repository.common.internal.ImmutablePropertyException
        at com.ibm.team.repository.common.internal.util.ItemUtil$ProtectAdapter.notifyChanged(ItemUtil.java:2172)
        at org.eclipse.emf.common.notify.impl.BasicNotifierImpl.eNotify(BasicNotifierImpl.java:374)
        at org.eclipse.emf.ecore.util.EcoreEList.dispatchNotification(EcoreEList.java:249)
        at org.eclipse.emf.common.notify.impl.NotifyingListImpl.addUnique(NotifyingListImpl.java:304)
        at org.eclipse.emf.common.util.AbstractEList.add(AbstractEList.java:303)
        at com.ibm.team.process.internal.common.impl.IterationImpl.addChild(IterationImpl.java:1432)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:567)
        at com.ibm.team.repository.common.internal.util.ItemStore$ItemInvocationHandler.invoke(ItemStore.java:597)
        at com.sun.proxy.$Proxy25.addChild(Unknown Source)

Could it be that I need a workingCopy? If so how to declare it...?

But as per the Iteration Documentation I have to do the linking from both sides.

Do you have an Idea what went wrong here?

Accepted Answer

For most of the items in the EWM API, you require a workingcopy, if you want to modify and save them. There are various ways how to get working copies, dependent on what you operate on. Here code I have written recently:

    public void processDevelopmentLine(IDevelopmentLine devLine) {
        if (devLine == null) {
            throw new RuntimeException("Timeline must not be null");
        }
        boolean dirty = false;
        IDevelopmentLine workingCopy = (IDevelopmentLine) devLine.getWorkingCopy();
    </pre>
</div>
Here the code how I save the working copies that have been changed:

    private ArrayList<iitem> modified = new ArrayList<iitem>();
IProcessItemService processItemService = (IProcessItemService) teamRepository
                .getClientLibrary(IProcessItemService.class);
processItemService.save(modified.toArray(new IProcessItem[0]), monitor);

</iitem></iitem>

It's all about the answers!

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Creation of Child Iterations

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