public void connectChildren(final List<? extends DataItem> children, final DataFolder parent) {
final ArrayList<AddTypeTagsCallable> callables = new ArrayList<>();
final ArrayList<DataItemCreatedEvent> events = new ArrayList<>();
// edit databeans in EDT
ThreadUtils.runInEDT(
new Runnable() {
@Override
public void run() {
for (DataItem child : children) {
// was it already connected?
boolean wasConnected = child.getParent() != null;
if (!wasConnected) {
// prepare event, but don't send it yet
events.add(new DataItemCreatedEvent(child));
}
// connect to this
child.setParent(parent);
// add
parent.children.add(child);
// prepare type tagging callables
if (child instanceof DataBean) {
callables.add(new AddTypeTagsCallable((DataBean) child));
}
}
}
});
// run type tagging in parallel in background threads
try {
// run callables and wait until all have finished
List<Future<Object>> futures = executor.invokeAll(callables);
for (Future<Object> future : futures) {
// check callable for exception, and throw if found
future.get();
}
// dispatch events in EDT
ThreadUtils.runInEDT(
new Runnable() {
@Override
public void run() {
for (DataItemCreatedEvent event : events) {
dispatchEvent(event);
}
}
});
} catch (InterruptedException | ExecutionException e) {
Session.getSession().getApplication().reportExceptionThreadSafely(e);
}
}
public void notifyTaskStateChangeListener(State oldState, State newState) {
/*
* Notify listener
*
* Use invokeAndWait instead of invokeLater. In CLI, we must know when
* the task is completed and the next operation (usually session
* saving) can be started.
*/
TaskStateChangeNotifier changeNotifier = new TaskStateChangeNotifier(oldState, newState);
ThreadUtils.runInEDT(changeNotifier);
}