import com.google.common.base.Optional;
import java.util.Collection;
import java.util.function.Consumer;
-import javax.annotation.concurrent.NotThreadSafe;
import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
import org.opendaylight.mdsal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
import org.opendaylight.mdsal.dom.spi.store.AbstractDOMStoreTreeChangePublisher;
/**
* Default implementation of ShardDataTreeChangeListenerPublisher that directly generates and publishes
- * notifications for DataTreeChangeListeners.
+ * notifications for DataTreeChangeListeners. This class is NOT thread-safe.
*
* @author Thomas Pantelis
*/
-@NotThreadSafe
final class DefaultShardDataTreeChangeListenerPublisher extends AbstractDOMStoreTreeChangePublisher
implements ShardDataTreeChangeListenerPublisher {
private static final Logger LOG = LoggerFactory.getLogger(DefaultShardDataTreeChangeListenerPublisher.class);
public void registerTreeChangeListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
Optional<DataTreeCandidate> initialState,
Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
+ registerTreeChangeListener(treeId, listener, onRegistration);
+
+ if (initialState.isPresent()) {
+ notifySingleListener(treeId, listener, initialState.get(), logContext);
+ } else {
+ listener.onInitialData();
+ }
+ }
+
+ void registerTreeChangeListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
+ Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
LOG.debug("{}: registerTreeChangeListener: path: {}, listener: {}", logContext, treeId, listener);
AbstractDOMDataTreeChangeListenerRegistration<DOMDataTreeChangeListener> registration =
super.registerTreeChangeListener(treeId, listener);
onRegistration.accept(registration);
-
- if (initialState.isPresent()) {
- notifySingleListener(treeId, listener, initialState.get(), logContext);
- }
}
static void notifySingleListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
DefaultShardDataTreeChangeListenerPublisher publisher =
new DefaultShardDataTreeChangeListenerPublisher(logContext);
publisher.logContext = logContext;
- publisher.registerTreeChangeListener(treeId, listener, Optional.absent(), noop -> { /* NOOP */ });
- publisher.publishChanges(state);
+ publisher.registerTreeChangeListener(treeId, listener);
+
+ if (!publisher.processCandidateTree(state)) {
+ listener.onInitialData();
+ }
}
}