/**
* Returns the datapoints for a given item and group address. This method iterates over all
* registered KNX binding providers to find the result.
*
* @param itemName the item name for the datapoint
* @param groupAddress the group address associated to the datapoint
* @return the datapoints which corresponds to the given item and group address
*/
private Iterable<Datapoint> getDatapoints(String itemName, GroupAddress groupAddress) {
for (KNXBindingProvider provider : providers) {
Iterable<Datapoint> datapoints = provider.getDatapoints(itemName, groupAddress);
if (datapoints != null) return datapoints;
}
return null;
}
/**
* Determines whether the given <code>groupAddress</code> is the address which will be interpreted
* as the command type. This method iterates over all registered KNX binding providers to find the
* result.
*
* @param groupAddress the group address to check
* @return true, if it is a command GA
*/
private boolean isCommandGA(GroupAddress groupAddress) {
for (KNXBindingProvider provider : providers) {
if (!provider.isCommandGA(groupAddress)) {
return false;
}
}
return true;
}
/**
* Returns all listening item names. This method iterates over all registered KNX binding
* providers and aggregates the result.
*
* @param groupAddress the group address that the items are listening to
* @return an array of all listening items
*/
private String[] getItemNames(GroupAddress groupAddress) {
List<String> itemNames = new ArrayList<String>();
for (KNXBindingProvider provider : providers) {
for (String itemName : provider.getListeningItemNames(groupAddress)) {
itemNames.add(itemName);
}
}
return itemNames.toArray(new String[itemNames.size()]);
}
public void deactivate(ComponentContext componentContext) {
logger.trace("KNXBinding: deactivating");
KNXConnection.removeConnectionListener(this);
for (KNXBindingProvider provider : providers) {
provider.removeBindingChangeListener(this);
}
providers.clear();
mKNXBusReaderScheduler.stop();
KNXConnection.disconnect();
}
/**
* Returns the datapoints for a given item and type class. This method iterates over all
* registered KNX binding providers to find the result.
*
* @param itemName the item name for the datapoints
* @param typeClass the type class associated to the datapoints
* @return the datapoints which corresponds to the given item and type class
*/
private Iterable<Datapoint> getDatapoints(
final String itemName, final Class<? extends Type> typeClass) {
Set<Datapoint> datapoints = new HashSet<Datapoint>();
for (KNXBindingProvider provider : providers) {
for (Datapoint datapoint : provider.getDatapoints(itemName, typeClass)) {
datapoints.add(datapoint);
}
}
return datapoints;
}
/* (non-Javadoc)
* @see org.openhab.binding.knx.internal.connection.KNXConnectionListener#connectionEstablished()
*/
@Override
public void connectionEstablished() {
logger.trace("connectionEstablished() msg received. Initializing readable DPs.");
mKNXConnectionEstablished = true;
for (KNXBindingProvider knxProvider : providers) {
for (Datapoint datapoint : knxProvider.getReadableDatapoints()) {
mKNXBusReaderScheduler.readOnce(datapoint);
int autoRefreshTimeInSecs = knxProvider.getAutoRefreshTime(datapoint);
if (autoRefreshTimeInSecs > 0) {
if (!mKNXBusReaderScheduler.scheduleRead(datapoint, autoRefreshTimeInSecs)) {
logger.warn(
"Couldn't add to KNX bus reader scheduler (connectionEstablished, datapoint='{}')",
datapoint);
}
}
}
}
}
/* (non-Javadoc)
* @see org.openhab.core.binding.AbstractBinding#bindingChanged(org.openhab.core.binding.BindingProvider, java.lang.String)
*/
@Override
public void bindingChanged(BindingProvider provider, String itemName) {
logger.trace("bindingChanged() for item {} msg received.", itemName);
if (mKNXConnectionEstablished) {
if (provider instanceof KNXBindingProvider) {
KNXBindingProvider knxProvider = (KNXBindingProvider) provider;
for (Datapoint datapoint : knxProvider.getReadableDatapoints()) {
if (datapoint.getName().equals(itemName)) {
logger.debug("Initializing read of item {}.", itemName);
if (!mKNXBusReaderScheduler.scheduleRead(
datapoint, knxProvider.getAutoRefreshTime(datapoint))) {
logger.warn(
"Couldn't add to KNX bus reader scheduler (bindingChanged, datapoint='{}')",
datapoint);
}
break;
}
}
}
}
}
/* (non-Javadoc)
* @see org.openhab.core.binding.AbstractBinding#allBindingsChanged(org.openhab.core.binding.BindingProvider)
*/
@Override
public void allBindingsChanged(BindingProvider provider) {
logger.trace("allBindingsChanged() msg received.");
if (mKNXConnectionEstablished) {
logger.debug("Initializing readable DPs.");
if (provider instanceof KNXBindingProvider) {
KNXBindingProvider knxProvider = (KNXBindingProvider) provider;
mKNXBusReaderScheduler.clear();
for (Datapoint datapoint : knxProvider.getReadableDatapoints()) {
mKNXBusReaderScheduler.readOnce(datapoint);
int autoRefreshTimeInSecs = knxProvider.getAutoRefreshTime(datapoint);
if (autoRefreshTimeInSecs > 0) {
if (!mKNXBusReaderScheduler.scheduleRead(
datapoint, knxProvider.getAutoRefreshTime(datapoint))) {
logger.warn(
"Couldn't add to KNX bus reader scheduler (allBindingsChanged, datapoint='{}')",
datapoint);
}
}
}
}
}
}
