Create a statechart programmatically

[Smadar Szekely]

Hello,

What is the best way to create a statechart programmatically, preferably in Java?

Can I update an sct file "on the fly" while playing it in the simulator?

Thanks!

[andreas]

Hi Smadar,

yes there is a Java API generated with the Eclipse Modeling Framework that you can use to create a statechart programmatically.

Add a dependency to org.yakindu.sct.model.sgraph in your plugin and you can create Models like this:

public class StatechartBuilder {

public static void main(String[] args) {
Statechart statechart = SGraphFactory.eINSTANCE.createStatechart();
Region main = SGraphFactory.eINSTANCE.createRegion();
statechart.getRegions().add(main);
Entry entry = SGraphFactory.eINSTANCE.createEntry();
entry.setKind(EntryKind.INITIAL);
State stateA = SGraphFactory.eINSTANCE.createState();
stateA.setName("A");
Transition transition1 = SGraphFactory.eINSTANCE.createTransition();
transition1.setSource(entry);
transition1.setTarget(stateA);
State stateB = SGraphFactory.eINSTANCE.createState();
stateB.setName("B");
Transition aToB = SGraphFactory.eINSTANCE.createTransition();
aToB.setSpecification("after 10 s");
aToB.setSource(stateA);
aToB.setTarget(stateB);
}
}

2: If a semantic change is detected, the simulator asks if you want to restart or terminate the simulation.

This could be improved in the way hot code replacement works in your IDE, but it is not implemented yet. 

Best,

Andreas

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Mit freundlichen Grüßen,

            Andreas Mülder

[Smadar Szekely]

Thanks Andreas, 

This is a great help!

Is there a user guide for this API? For example:

1. In your code below - shouldn't the states be contained in the region?

2. API for loading from / saving to a file?

Best,

Smadar

[Paul Boutot]

Hi,

Just wondering if you were able to programmatically create the statechart? I am looking into doing the same thing in my project.

Regards,

Paul