*/
package org.opendaylight.controller.cluster.datastore;
-import com.google.common.base.Optional;
import java.util.Collection;
+import java.util.Optional;
import java.util.function.Consumer;
-import javax.annotation.concurrent.NotThreadSafe;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
import org.opendaylight.mdsal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration;
import org.opendaylight.mdsal.dom.spi.store.AbstractDOMStoreTreeChangePublisher;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
/**
* 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);
private String logContext;
- DefaultShardDataTreeChangeListenerPublisher(String logContext) {
+ DefaultShardDataTreeChangeListenerPublisher(final String logContext) {
this.logContext = logContext;
}
@Override
public void publishChanges(final DataTreeCandidate candidate) {
- LOG.debug("{}: publishChanges: {}", logContext, candidate);
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("{}: publishChanges: {}", logContext, candidate);
+ } else {
+ LOG.debug("{}: publishChanges: rootPath: {}", logContext, candidate.getRootPath());
+ }
+
processCandidateTree(candidate);
}
@Override
- protected void notifyListener(AbstractDOMDataTreeChangeListenerRegistration<?> registration,
- Collection<DataTreeCandidate> changes) {
+ protected void notifyListener(final AbstractDOMDataTreeChangeListenerRegistration<?> registration,
+ final Collection<DataTreeCandidate> changes) {
LOG.debug("{}: notifyListener: listener: {}", logContext, registration.getInstance());
registration.getInstance().onDataTreeChanged(changes);
}
}
@Override
- public void registerTreeChangeListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
- Optional<DataTreeCandidate> initialState,
- Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
- LOG.debug("{}: registerTreeChangeListener: path: {}, listener: {}", logContext, treeId, listener);
-
- AbstractDOMDataTreeChangeListenerRegistration<org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener>
- registration = super.registerTreeChangeListener(treeId, new ForwardingDOMDataTreeChangeListener(listener));
-
- onRegistration.accept(
- new org.opendaylight.controller.md.sal.dom.spi.AbstractDOMDataTreeChangeListenerRegistration<
- DOMDataTreeChangeListener>(listener) {
- @Override
- protected void removeRegistration() {
- registration.close();
- }
- });
+ public void registerTreeChangeListener(final YangInstanceIdentifier treeId,
+ final DOMDataTreeChangeListener listener, final Optional<DataTreeCandidate> initialState,
+ final Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
+ registerTreeChangeListener(treeId, listener, onRegistration);
if (initialState.isPresent()) {
notifySingleListener(treeId, listener, initialState.get(), logContext);
+ } else {
+ listener.onInitialData();
}
}
- static void notifySingleListener(YangInstanceIdentifier treeId, DOMDataTreeChangeListener listener,
- DataTreeCandidate state, String logContext) {
+ void registerTreeChangeListener(final YangInstanceIdentifier treeId, final DOMDataTreeChangeListener listener,
+ final Consumer<ListenerRegistration<DOMDataTreeChangeListener>> onRegistration) {
+ LOG.debug("{}: registerTreeChangeListener: path: {}, listener: {}", logContext, treeId, listener);
+
+ AbstractDOMDataTreeChangeListenerRegistration<DOMDataTreeChangeListener> registration =
+ super.registerTreeChangeListener(treeId, listener);
+
+ onRegistration.accept(registration);
+ }
+
+ static void notifySingleListener(final YangInstanceIdentifier treeId, final DOMDataTreeChangeListener listener,
+ final DataTreeCandidate state, final String logContext) {
LOG.debug("{}: notifySingleListener: path: {}, listener: {}", logContext, treeId, listener);
DefaultShardDataTreeChangeListenerPublisher publisher =
new DefaultShardDataTreeChangeListenerPublisher(logContext);
publisher.logContext = logContext;
- publisher.registerTreeChangeListener(treeId, listener, Optional.absent(), noop -> { });
- publisher.publishChanges(state);
- }
-
- private static class ForwardingDOMDataTreeChangeListener
- implements org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener {
- final DOMDataTreeChangeListener delegate;
-
- ForwardingDOMDataTreeChangeListener(DOMDataTreeChangeListener delegate) {
- this.delegate = delegate;
- }
-
- @Override
- public void onDataTreeChanged(Collection<DataTreeCandidate> changes) {
- delegate.onDataTreeChanged(changes);
- }
+ publisher.registerTreeChangeListener(treeId, listener);
- @Override
- public String toString() {
- return delegate.toString();
+ if (!publisher.processCandidateTree(state)) {
+ listener.onInitialData();
}
}
}