private synchronized void attachListener(AppNameAnnotationModel annotationModel) {
if (attachedTo == annotationModel) {
return;
}
if (attachedTo != null) {
attachedTo.removeAnnotationModelListener(listener);
}
if (annotationModel != null) {
annotationModel.addAnnotationModelListener(listener);
}
attachedTo = annotationModel;
}
@Override
protected String compute() {
AppNameAnnotationModel annotationModel = appNameAnnotationModel.getValue();
attachListener(annotationModel);
if (annotationModel != null) {
AppNameAnnotation a = annotationModel.getSelectedAppAnnotation();
if (a != null) {
return a.getText();
}
}
return null;
}
{
onDispose(
(d) -> {
if (attachedTo != null) {
attachedTo.removeAnnotationModelListener(listener);
}
});
}
@Override
protected List<String> compute() {
AppNameAnnotationModel annotationModel = appNameAnnotationModel.getValue();
attachListener(annotationModel);
if (annotationModel != null) {
List<String> applicationNames = new ArrayList<>();
for (Iterator<Annotation> itr = annotationModel.getAnnotationIterator();
itr.hasNext(); ) {
Annotation next = itr.next();
if (next instanceof AppNameAnnotation) {
AppNameAnnotation a = (AppNameAnnotation) next;
applicationNames.add(a.getText());
}
}
return applicationNames;
}
return Collections.emptyList();
}