@Override
public void close() throws IOException {
synchronized (this) {
try {
if (isConnected()) {
try {
channelHandler
.executeRequest(new UnregisterModelControllerRequest(), null)
.getResult()
.await();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
} finally {
try {
connectionManager.shutdown();
} finally {
super.close();
}
}
}
}
