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Setting FlowTarget while creating workspace


Yung-Hsiang Chan (34913) | asked Oct 21 '14, 9:43 p.m.
edited Oct 21 '14, 9:46 p.m.
Hi, I want to create a new Workspace Repository which flow with only one  component.
I tried to use the following code.
                IWorkspace iWorkspace = null;
try {
IFlowTable iFlowTable = iWorkspaceConnection.getFlowTable();
IFlowEntry iFlowEntry = iFlowTable.getDefaultDeliverFlow();
iFlowTable.setComponentScopes(iFlowEntry.getFlowNode(),
iComponentHandles);
iWorkspace = iWorkspaceConnection.getResolvedWorkspace();
} catch (Exception e) {
System.out.println(e.getMessage());
}

The iComponentHandles is a  List<ICompooentHanlde> which has only one desired IComponent.
But I will get IllegalStateException after executing iFlowTable.setComponentScopes(iFlowEntry.getFlowNode().
iComponentHandles);

How can I solve this? thanks!


3 answers



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sam detweiler (12.5k6195201) | answered Oct 21 '14, 10:06 p.m.
edited Oct 21 '14, 10:06 p.m.
you need to get the working copy of the flow table to modify it

        IFlowTable dest_flowtable = workspace.getFlowTable().getWorkingCopy();

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sam detweiler (12.5k6195201) | answered Oct 22 '14, 8:24 a.m.
hm.. I got an email with an additional comment you made..

iFlowTable.setComponentScopes(iFlowEntry.getFlowNode(),
iComponentHandles);

limits which of the workspace components will flow across this flow connection.
it does NOT set the components in this workspace

that is done with
workspace.applyComponentOperations(operation, monitor);

operation = IFlowNodeConnection.IComponentOp

the set componentscope should fail if the component is not in this workspace.

see the javadoc for the detailed description of these plainjava apis

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Yung-Hsiang Chan (34913) | answered Oct 22 '14, 8:57 p.m.
Thanks for applying!

I've solved this problem by simply adding 

iWorkspaceConnection.setFlowTable(iFlowTable, monitor);

I've tried using workspace.applyComponentOperations(operation, monitor); but the component I want to add is already in this workspace. So it will fail.

And finally  I found the problem is that iFlowTable.getComponentScopes() will return empty by default. But it means it will flow with all the components.(doc: empty list means unscoped (i.e. process all components))

Thank you for your help!

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