How to use

sent

method

in

org.eclipse.leshan.core.response.SendableResponse

  @Override
  public void onAcknowledgement() {
    // we wait the response is acknowledged.
    // TODO should we modify SendableResponse by adding an acknowledged method ?
    sendableResponse.sent();
  }
});

  exchange.respond(toCoapResponseCode(response.getCode()), response.getErrorMessage());
sendableResponse.sent();

  exchange.respond(toCoapResponseCode(updateResponse.getCode()));
sendableResponse.sent();

private void handleDeregister(CoapExchange exchange, String registrationId) {
  // Get identity
  Identity sender = extractIdentity(exchange.advanced().getRequest().getSourceContext());
  // Create request
  DeregisterRequest deregisterRequest = new DeregisterRequest(registrationId);
  // Handle request
  final SendableResponse<DeregisterResponse> sendableResponse = registrationHandler.deregister(sender,
      deregisterRequest);
  DeregisterResponse deregisterResponse = sendableResponse.getResponse();
  // Create CoAP Response from LwM2m request
  if (deregisterResponse.getCode().isError()) {
    exchange.respond(toCoapResponseCode(deregisterResponse.getCode()), deregisterResponse.getErrorMessage());
  } else {
    exchange.respond(toCoapResponseCode(deregisterResponse.getCode()));
  }
  sendableResponse.sent();
}