How to use

getId

method

in

org.eclipse.ditto.signals.base.ShardedMessageEnvelope

@Override
public String entityId(final Object message) {
  if (message instanceof ShardedMessageEnvelope) {
    return ((ShardedMessageEnvelope) message).getId();
  } else if (message instanceof WithId) {
    return ((WithId) message).getId();
  } else if (message instanceof ShardRegion.StartEntity) {
    return ((ShardRegion.StartEntity) message).entityId();
  }
  return null;
}

@Override
public String entityId(final Object message) {
  if (message instanceof ShardedMessageEnvelope) {
    return ((ShardedMessageEnvelope) message).getId();
  } else if (message instanceof WithId) {
    return ((WithId) message).getId();
  } else if (message instanceof ShardRegion.StartEntity) {
    return ((ShardRegion.StartEntity) message).entityId();
  }
  return null;
}