import java.util.Collection;
import java.util.Collections;
+import java.util.Optional;
import java.util.concurrent.ExecutorService;
import javax.annotation.Nonnull;
import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
import org.opendaylight.controller.md.sal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
import org.opendaylight.controller.sal.core.spi.data.AbstractDOMStoreTreeChangePublisher;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager;
import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager.Invoker;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateNode;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
final class InMemoryDOMStoreTreeChangePublisher extends AbstractDOMStoreTreeChangePublisher {
private static final Invoker<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> MANAGER_INVOKER =
- new Invoker<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>() {
- @Override
- public void invokeListener(final AbstractDOMDataTreeChangeListenerRegistration<?> listener, final DataTreeCandidate notification) {
- // FIXME: this is inefficient, as we could grab the entire queue for the listener and post it
- final DOMDataTreeChangeListener inst = listener.getInstance();
- if (inst != null) {
- inst.onDataTreeChanged(Collections.singletonList(notification));
- }
- }
- };
+ (listener, notification) -> {
+ // FIXME: this is inefficient, as we could grab the entire queue for the listener and post it
+ listener.getInstance().onDataTreeChanged(Collections.singletonList(notification));
+ };
+
private static final Logger LOG = LoggerFactory.getLogger(InMemoryDOMStoreTreeChangePublisher.class);
- private final QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> notificationManager;
+ private final QueuedNotificationManager<AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate>
+ notificationManager;
InMemoryDOMStoreTreeChangePublisher(final ExecutorService listenerExecutor, final int maxQueueSize) {
- notificationManager = new QueuedNotificationManager<>(listenerExecutor, MANAGER_INVOKER, maxQueueSize, "DataTreeChangeListenerQueueMgr");
+ notificationManager = new QueuedNotificationManager<>(listenerExecutor, MANAGER_INVOKER, maxQueueSize,
+ "DataTreeChangeListenerQueueMgr");
+ }
+
+ private InMemoryDOMStoreTreeChangePublisher(QueuedNotificationManager<
+ AbstractDOMDataTreeChangeListenerRegistration<?>, DataTreeCandidate> notificationManager) {
+ this.notificationManager = notificationManager;
}
@Override
- protected void notifyListeners(final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations, final YangInstanceIdentifier path, final DataTreeCandidateNode node) {
- final DataTreeCandidate candidate = new SimpleDataTreeCandidate(path, node);
+ protected void notifyListeners(final Collection<AbstractDOMDataTreeChangeListenerRegistration<?>> registrations,
+ final YangInstanceIdentifier path, final DataTreeCandidateNode node) {
+ final DataTreeCandidate candidate = DataTreeCandidates.newDataTreeCandidate(path, node);
for (AbstractDOMDataTreeChangeListenerRegistration<?> reg : registrations) {
LOG.debug("Enqueueing candidate {} to registration {}", candidate, registrations);
}
@Override
- protected synchronized void registrationRemoved(final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
+ protected synchronized void registrationRemoved(
+ final AbstractDOMDataTreeChangeListenerRegistration<?> registration) {
LOG.debug("Closing registration {}", registration);
// FIXME: remove the queue for this registration and make sure we clear it
}
+ <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
+ final YangInstanceIdentifier treeId, final L listener, final DataTreeSnapshot snapshot) {
+ final AbstractDOMDataTreeChangeListenerRegistration<L> reg = registerTreeChangeListener(treeId, listener);
+
+ final Optional<NormalizedNode<?, ?>> node = snapshot.readNode(YangInstanceIdentifier.EMPTY);
+ if (node.isPresent()) {
+ final DataTreeCandidate candidate = DataTreeCandidates.fromNormalizedNode(
+ YangInstanceIdentifier.EMPTY, node.get());
+
+ InMemoryDOMStoreTreeChangePublisher publisher =
+ new InMemoryDOMStoreTreeChangePublisher(notificationManager);
+ publisher.registerTreeChangeListener(treeId, listener);
+ publisher.publishChange(candidate);
+ }
+
+ return reg;
+ }
+
synchronized void publishChange(@Nonnull final DataTreeCandidate candidate) {
// Runs synchronized with registrationRemoved()
processCandidateTree(candidate);