private static void runDbStateChange(Function<String, Runnable> runnableFunction) {
Logs.extreme().info("DB STATE CHANGE: " + runnableFunction);
try {
Logs.extreme().info("Attempting to acquire db state lock: " + runnableFunction);
if (canHas.writeLock().tryLock(5, TimeUnit.MINUTES)) {
try {
Logs.extreme().info("Acquired db state lock: " + runnableFunction);
Map<Runnable, Future<Runnable>> runnables = Maps.newHashMap();
for (final String ctx : listDatabases()) {
Runnable run = runnableFunction.apply(ctx);
runnables.put(run, ExecuteRunnable.INSTANCE.apply(run));
}
Map<Runnable, Future<Runnable>> succeeded = Futures.waitAll(runnables);
MapDifference<Runnable, Future<Runnable>> failed = Maps.difference(runnables, succeeded);
StringBuilder builder = new StringBuilder();
builder.append(Joiner.on("\nSUCCESS: ").join(succeeded.keySet()));
builder.append(Joiner.on("\nFAILED: ").join(failed.entriesOnlyOnLeft().keySet()));
Logs.extreme().debug(builder.toString());
if (!failed.entriesOnlyOnLeft().isEmpty()) {
throw Exceptions.toUndeclared(builder.toString());
}
} finally {
canHas.writeLock().unlock();
}
} else {
throw new LockTimeoutException(
"DB STATE CHANGE ABORTED (failed to get lock): " + runnableFunction);
}
} catch (RuntimeException ex) {
LOG.error(ex);
Logs.extreme().error(ex, ex);
throw ex;
} catch (InterruptedException ex) {
Exceptions.maybeInterrupted(ex);
throw Exceptions.toUndeclared(ex);
}
}
