return NOTIFICATION_EXECUTOR;
}
+ /**
+ * @deprecated This method is only used from configuration modules and thus callers of it
+ * should use service injection to make the executor configurable.
+ */
+ @Deprecated
public static synchronized final ListeningExecutorService getDefaultCommitExecutor() {
if (COMMIT_EXECUTOR == null) {
- COMMIT_EXECUTOR = createNamedExecutor("md-sal-binding-commit-%d");
+ ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("md-sal-binding-commit-%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);
+ COMMIT_EXECUTOR = MoreExecutors.listeningDecorator(executor);
}
return COMMIT_EXECUTOR;
ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat(format).build();
ExecutorService executor = Executors.newCachedThreadPool(factory);
return MoreExecutors.listeningDecorator(executor);
-
}
-
}