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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Ansgar Radermacher ansgar.radermacher@cea.fr
*
*****************************************************************************/
package org.eclipse.papyrus.qompass.modellibs.core.acceleo;
import org.eclipse.emf.common.util.EList;
import org.eclipse.uml2.uml.Region;
import org.eclipse.uml2.uml.StateMachine;
import org.eclipse.uml2.uml.Transition;
/**
* This class encapsulates an <code>org.eclipse.uml2.uml.Transition</code><BR>
*
* @author Remi SCHNEKENBURGER
*/
public class TransitionService {
/**
* Get the transition number within the state machine
* BEWARE: this method works only with Accord|UML compliant State Machines,
* with no parallel processing, i.e. a single region
*
* @return Returns the transition number, returns 0 if pb
*/
public int getNumber(Transition transition) {
int nb = 0;
StateMachine stateMachine = transition.containingStateMachine();
EList<Region> SMRegions = stateMachine.getRegions();
if (SMRegions.size() >= 2) {
// TODO error message
} else {
Region theRegion = SMRegions.get(0);
for (Transition currentTrans : theRegion.getTransitions()) {
nb = nb + 1;
if (currentTrans == transition) {
break;
}
}
}
return nb;
}
}
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