+
+ public static ExecutorService getDefaultChangeEventExecutor() {
+ if (CHANGE_EVENT_EXECUTOR == null) {
+ ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("md-sal-binding-change-%d").build();
+ /*
+ * FIXME: this used to be newCacheThreadPool(), but MD-SAL does not have transaction
+ * ordering guarantees, which means that using a concurrent threadpool results
+ * in application data being committed in random order, potentially resulting
+ * in inconsistent data being present. Once proper primitives are introduced,
+ * concurrency can be reintroduced.
+ */
+ ExecutorService executor = Executors.newSingleThreadExecutor(factory);
+ CHANGE_EVENT_EXECUTOR = MoreExecutors.listeningDecorator(executor);
+ }
+
+ return CHANGE_EVENT_EXECUTOR;
+ }