[solax] Implementation of refresh command and improved thread safety (#15958)

* Implementation of refresh command and better multi-thread handling

---------

Signed-off-by: Konstantin Polihronov <polychronov@gmail.com>
This commit is contained in:
Konstantin Polihronov 2023-11-28 01:29:16 +02:00 committed by GitHub
parent 4d13a6d20e
commit f4aa1c6d59
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2 changed files with 27 additions and 13 deletions

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@ -26,7 +26,7 @@ import org.openhab.core.thing.ThingTypeUID;
@NonNullByDefault
public class SolaxBindingConstants {
private static final String BINDING_ID = "solax";
protected static final String BINDING_ID = "solax";
private static final String THING_LOCAL_CONNECT_INVERTER_ID = "local-connect-inverter";
// List of all Thing Type UIDs

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@ -19,6 +19,7 @@ import java.util.List;
import java.util.Set;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.ReentrantLock;
import javax.measure.Quantity;
import javax.measure.Unit;
@ -42,6 +43,7 @@ import org.openhab.core.thing.ThingStatus;
import org.openhab.core.thing.ThingStatusDetail;
import org.openhab.core.thing.binding.BaseThingHandler;
import org.openhab.core.types.Command;
import org.openhab.core.types.RefreshType;
import org.openhab.core.types.UnDefType;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -69,6 +71,8 @@ public class SolaxLocalAccessHandler extends BaseThingHandler {
private final Set<String> unsupportedExistingChannels = new HashSet<String>();
private final ReentrantLock retrieveDataCallLock = new ReentrantLock();
public SolaxLocalAccessHandler(Thing thing) {
super(thing);
}
@ -88,19 +92,25 @@ public class SolaxLocalAccessHandler extends BaseThingHandler {
}
private void retrieveData() {
try {
String rawJsonData = localHttpConnector.retrieveData();
logger.debug("Raw data retrieved = {}", rawJsonData);
if (retrieveDataCallLock.tryLock()) {
try {
String rawJsonData = localHttpConnector.retrieveData();
logger.debug("Raw data retrieved = {}", rawJsonData);
if (rawJsonData != null && !rawJsonData.isEmpty()) {
updateFromData(rawJsonData);
} else {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
SolaxBindingConstants.I18N_KEY_OFFLINE_COMMUNICATION_ERROR_JSON_CANNOT_BE_RETRIEVED);
if (rawJsonData != null && !rawJsonData.isEmpty()) {
updateFromData(rawJsonData);
} else {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
SolaxBindingConstants.I18N_KEY_OFFLINE_COMMUNICATION_ERROR_JSON_CANNOT_BE_RETRIEVED);
}
} catch (IOException e) {
logger.debug("Exception received while attempting to retrieve data via HTTP", e);
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
} finally {
retrieveDataCallLock.unlock();
}
} catch (IOException e) {
logger.debug("Exception received while attempting to retrieve data via HTTP", e);
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR, e.getMessage());
} else {
logger.debug("Unable to retrieve data because a request is already in progress.");
}
}
@ -283,7 +293,11 @@ public class SolaxLocalAccessHandler extends BaseThingHandler {
@Override
public void handleCommand(ChannelUID channelUID, Command command) {
// Nothing to do here as of now. Maybe implement a REFRESH command in the future.
if (command instanceof RefreshType) {
scheduler.execute(this::retrieveData);
} else {
logger.debug("Binding {} only supports refresh command", SolaxBindingConstants.BINDING_ID);
}
}
@Override