// FIXME any restriction whether this method is invoked within model read/write action?
public <T> T runNonUndoableAction(Computable<T> t) {
if (ModelAccess.instance().canWrite() && myHandler != DEFAULT) {
// locks optimization, install temporary dummy handler
UndoHandler old = myHandler;
try {
myHandler = DEFAULT;
return t.compute();
} finally {
myHandler = old;
}
} else {
return myHandler.runNonUndoableAction(t);
}
}
