/**
* returns a flat list of Choicepoint scopes for a {@link SubStateTrPointTerminal}
*
* @param ct - the transition endpoint or terminal
* @param ref - not used
* @return a list of scopes
*/
public IScope scope_ChoicepointTerminal_cp(ChoicepointTerminal ct, EReference ref) {
final List<IEObjectDescription> scopes = new ArrayList<IEObjectDescription>();
// first state in container hierarchy
StateGraph parent = getStateGraph(ct);
// collect choicepoints of my parent
if (parent != null)
for (ChoicePoint cp : parent.getChPoints()) {
scopes.add(EObjectDescription.create(cp.getName(), cp));
}
// if my parent is a refined state we also add its base state contents
if (parent.eContainer() instanceof RefinedState) {
parent = ((RefinedState) parent.eContainer()).getBase().getSubgraph();
if (parent != null)
for (ChoicePoint cp : parent.getChPoints()) {
scopes.add(EObjectDescription.create(cp.getName(), cp));
}
} else if (parent.eContainer() instanceof ActorClass) {
ActorClass ac = (ActorClass) parent.eContainer();
if (ac.getBase() != null) {
for (ChoicePoint cp : ac.getBase().getStateMachine().getChPoints()) {
scopes.add(EObjectDescription.create(cp.getName(), cp));
}
}
}
return new SimpleScope(IScope.NULLSCOPE, scopes);
}
private IScope getStateScopes(EObject obj) {
final List<IEObjectDescription> scopes = new ArrayList<IEObjectDescription>();
// first state in container hierarchy
StateGraph parent = getStateGraph(obj);
// collect states of my parent
if (parent != null) {
for (State s : parent.getStates()) {
BaseState bs = getBaseState(s);
scopes.add(EObjectDescription.create(bs.getName(), bs));
}
// if my parent is a refined state we also add its base state contents
if (parent.eContainer() instanceof RefinedState) {
parent = ((RefinedState) parent.eContainer()).getBase().getSubgraph();
if (parent != null)
for (State s : parent.getStates()) {
BaseState bs = getBaseState(s);
scopes.add(EObjectDescription.create(bs.getName(), bs));
}
} else if (parent.eContainer() instanceof ActorClass) {
ActorClass ac = (ActorClass) parent.eContainer();
if (ac.getBase() != null) {
for (State s : ac.getBase().getStateMachine().getStates()) {
BaseState bs = getBaseState(s);
scopes.add(EObjectDescription.create(bs.getName(), bs));
}
}
}
}
return new SimpleScope(IScope.NULLSCOPE, scopes);
}
/**
* returns a flat list of BaseState scopes for a {@link RefinedState}
*
* @param rs - the refined state
* @param ref - not used
* @return a list of scopes
*/
public IScope scope_RefinedState_base(RefinedState rs, EReference ref) {
final List<IEObjectDescription> scopes = new ArrayList<IEObjectDescription>();
ActorClass ac = getActorClass(rs);
LinkedList<BaseState> states = new LinkedList<BaseState>();
collectAllStates(ac.getBase(), states);
for (BaseState bs : states) {
scopes.add(EObjectDescription.create(getStatePath(bs), bs));
}
return new SimpleScope(IScope.NULLSCOPE, scopes);
}
/**
* return a list of base classes of an {@link ActorClass}, parent classes first. The list includes
* the class itself
*
* @param ac
* @return
*/
private LinkedList<ActorClass> getBaseClasses(ActorClass ac) {
LinkedList<ActorClass> classes = new LinkedList<ActorClass>();
if (ac != null) {
classes.addFirst(ac);
while (ac.getBase() != null) {
ac = ac.getBase();
classes.addFirst(ac);
}
}
return classes;
}
/**
* recursively collect all {@link BaseState}s of an actor class in a list
*
* @param ac
* @param states
*/
private void collectAllStates(ActorClass ac, LinkedList<BaseState> states) {
while (ac != null) {
collectStates(ac.getStateMachine(), states);
ac = ac.getBase();
}
}