/**
* Performs the step of a single weave. The lower-level aspect from the instantiation is woven
* into the given aspect.
*
* @param base the higher-level aspect the lower-level aspect is woven into
* @param instantiation the lower-level aspect to weave into the base aspect
*/
public void doWeaveSingle(Aspect base, Instantiation instantiation) {
System.out.println(
"Weaving " + instantiation.getSource().getName() + " into " + base.getName());
StructuralViewWeaver structuralViewWeaver = StructuralViewWeaver.getInstance();
for (COREModelReuse modelReuse : instantiation.getSource().getModelReuses()) {
COREModelReuse copy = EcoreUtil.copy(modelReuse);
base.getModelReuses().add(copy);
}
// CHECKSTYLE:IGNORE ParameterAssignment FOR 2 LINES: Needed, because the operation returns the
// result,
// however it returns base.
base = structuralViewWeaver.weave(base, instantiation);
WeavingInformation currentWeavingInformation = structuralViewWeaver.getWeavingInformation();
// Update the model reuses.
ReferenceUpdater.getInstance().update(base.getModelReuses(), currentWeavingInformation);
createTrace(base, instantiation.getSource(), currentWeavingInformation);
// Merge weaving information, to be able to look at woven elements later.
this.weavingInformation.merge(currentWeavingInformation);
messageViewWeaver.copyMessageViews(base, instantiation.getSource(), currentWeavingInformation);
StateViewWeaverUtils.copyStateViews(base, instantiation.getSource(), currentWeavingInformation);
base.getInstantiations().remove(instantiation);
}
/**
* Weaves the state machines of the state views. Doesn't apply the CSP composition to the copied
* state machines.
*
* @param aspect the aspect to weave state machines for
* @param listener to notify when events occur during weaving
*/
public void weaveAllNoCSPWeavingForStateViews(Aspect aspect, WeaverListener<Aspect> listener) {
try {
listener.weavingStarted();
Aspect result = loadNewInstance(aspect);
weavingInformation.clear();
// Do phase 1: Weave all structural views and copy the message and state views
// from the lower- to the higher-level aspect.
resolveDependenciesBottomUp(result);
messageViewWeaver.weaveMessageViews(aspect, weavingInformation);
listener.weavingFinished(result);
// CHECKSTYLE:IGNORE IllegalCatch: There could be many different exceptions during
// initialization.
} catch (Exception e) {
// TODO: catch in lower level weaver operations, and throw custom exception.
listener.weavingFailed(e);
}
}
/**
* Performs the final step of weaving. I.e., message views and state views are woven. The actions
* are performed on the given aspect directly.
*
* @param aspect the aspect for which views should be woven
*/
public void weaveAll(Aspect aspect) {
messageViewWeaver.weaveMessageViews(aspect, weavingInformation);
stateViewWeaver.weaveStateViews(aspect);
}