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Read the modeled diagram [message #1138170]

Tue, 15 October 2013 01:00

Guilherme Araujo

Messages: 1
Registered: October 2013

Junior Member

I would like to build a modeling feature to append suggested patterns on the process being modeled. But I don't have any experience building eclipse plugins, and i'm struggling to understand how i can code this in the BPMN2 modeler.

To start, I would like to read the modeled diagram and apply the suggestion algorithm. Im trying differents things but they doesn't seem to be working so well. With the code bellow, i get repeated objects (3 StartEvents for example) even when i got only one in the model.

Diagram diagram = getDiagram();
TreeIterator<EObject> diagContents = diagram.eAllContents();
for (; diagContents.hasNext();) {
	Object o = diagContents.next();
	if (o instanceof PictogramElement) {
		PictogramElement pe = (PictogramElement) o;
		Object[] bos = getAllBusinessObjectsForPictogramElement(pe);
		for (int i = 0; i < bos.length; i++) {
			Object bo = bos[i];
			if (bo instanceof BaseElement && bo instanceof Event) {
				if (bo instanceof StartEvent) {
					StartEvent startEvent = (StartEvent) bo;
.....

I'll be very glad with any suggestion, tips or directions. So far i have been thinkering around the source code, and looks like I need to learn how eclipse plugins are developed, how Graphiti works, ... So any good material to learn this stuffs would be very helpful too.

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Re: Read the modeled diagram [message #1139169 is a reply to message #1138170]

Tue, 15 October 2013 15:35

Robert Brodt

Messages: 811
Registered: August 2010
Location: Colorado Springs, CO

Senior Member

Hi Guilherme,

I thought this topic was already beaten to death, but somehow it still comes back occasionally...I should really write a blog about this Wink

Anyway, please have a look at this thread:

http://www.eclipse.org/forums/index.php/t/533050/

I think Ken Hall is trying to do something similar.

Cheers!
Bob

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Re: Read the modeled diagram [message #1140658 is a reply to message #1139169]

Wed, 16 October 2013 14:15

Robert Brodt

Messages: 811
Registered: August 2010
Location: Colorado Springs, CO

Senior Member

FYI, I have created a new example plugin, named org.eclipse.bpmn2.modeler.examples.modelreader which is available from the Git repository here. This is a simple Java class that reads a sample bpmn process file and dumps out the types and names of the contained elements.

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