public InnerSender(
final KExDaVSender senderObject,
final DataDescription dataDescription,
final SenderRole senderRole) {
_senderObject = senderObject;
_dataDescription = dataDescription;
_senderRole = senderRole;
_hasPendingSourceSubscription = (senderRole == SenderRole.source());
_senders.put(senderObject, this);
}
private void registerSender(final InnerSender innerSender, final SystemObject systemObject) {
try {
if (innerSender.getSenderRole() != SenderRole.source()) {
// Quellen werden verzögert beim ersten Datensatz angemeldet
_connection.subscribeSender(
innerSender,
systemObject,
innerSender.getDataDescription(),
innerSender.getSenderRole());
}
} catch (OneSubscriptionPerSendData oneSubscriptionPerSendData) {
_manager.addMessage(
Message.newMajor("Kann nicht als Sender anmelden", oneSubscriptionPerSendData));
}
}
public void dataRequest(
final SystemObject object, final DataDescription dataDescription, final byte state) {
if (state == _state) return;
_state = state;
_senderObject.update(state);
if (_state == ClientSenderInterface.START_SENDING
&& _lastData != null
&& _senderRole != SenderRole.source()) {
try {
_connection.sendData(_lastData);
_lastData = null;
} catch (SendSubscriptionNotConfirmed sendSubscriptionNotConfirmed) {
_manager.addMessage(
Message.newMajor("Kann derzeit nicht senden", sendSubscriptionNotConfirmed));
}
}
}
public void sendData(final SystemObject systemObject, Data data, final long dataTime)
throws SendSubscriptionNotConfirmed {
final ResultData resultData;
if (data != null) {
if (!(data instanceof KExDaVAttributeGroupData)) {
data = new KExDaVAttributeGroupData(data, _manager);
}
resultData =
((KExDaVAttributeGroupData) data)
.toResultData(systemObject, _dataDescription, dataTime);
} else {
resultData = new ResultData(systemObject, _dataDescription, dataTime, null);
}
try {
if (_hasPendingSourceSubscription) {
try {
_connection.subscribeSource(this, resultData);
_hasPendingSourceSubscription = false;
} catch (OneSubscriptionPerSendData ignored) {
_connection.sendData(resultData);
}
} else if (_state == ClientSenderInterface.START_SENDING
|| (_state == ClientSenderInterface.STOP_SENDING
&& _senderRole == SenderRole.source())) {
_connection.sendData(resultData);
} else {
_lastData = resultData;
}
} catch (DataNotSubscribedException ignored) {
_lastData = resultData;
}
if (_state == ClientSenderInterface.STOP_SENDING_NO_RIGHTS) {
_manager.addMessage(Message.newMajor("Keine Rechte zum Senden von Daten: " + this));
} else if (_state == ClientSenderInterface.STOP_SENDING_NOT_A_VALID_SUBSCRIPTION) {
_manager.addMessage(Message.newMajor("Ungültige Anmeldung des Empfängers: " + this));
}
}