* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.controller.clustering.it.provider.impl;
import com.google.common.base.Preconditions;
+import com.google.common.util.concurrent.SettableFuture;
import java.util.Collection;
import java.util.Map;
-import javax.annotation.Nonnull;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
import org.opendaylight.mdsal.dom.api.DOMDataTreeListener;
import org.opendaylight.mdsal.dom.api.DOMDataTreeListeningException;
public class IdIntsDOMDataTreeLIstener implements DOMDataTreeListener {
private static final Logger LOG = LoggerFactory.getLogger(IdIntsDOMDataTreeLIstener.class);
+ private static final long SECOND_AS_NANO = 1000000000;
private NormalizedNode<?, ?> localCopy = null;
+ private final AtomicLong lastNotifTimestamp = new AtomicLong(0);
+ private ScheduledFuture<?> scheduledFuture;
+ private ScheduledExecutorService executorService;
@Override
- public void onDataTreeChanged(@Nonnull final Collection<DataTreeCandidate> changes,
- @Nonnull final Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>> subtrees) {
+ public void onDataTreeChanged(final Collection<DataTreeCandidate> changes,
+ final Map<DOMDataTreeIdentifier, NormalizedNode<?, ?>> subtrees) {
// There should only be one candidate reported
Preconditions.checkState(changes.size() == 1);
+ lastNotifTimestamp.set(System.nanoTime());
+
// do not log the change into debug, only use trace since it will lead to OOM on default heap settings
LOG.debug("Received data tree changed");
changes.forEach(change -> {
if (change.getRootNode().getDataAfter().isPresent()) {
- LOG.trace("Received change, data before: {}, data after: ",
+ LOG.trace("Received change, data before: {}, data after: {}",
change.getRootNode().getDataBefore().isPresent()
? change.getRootNode().getDataBefore().get() : "",
change.getRootNode().getDataAfter().get());
if (localCopy == null || checkEqual(change.getRootNode().getDataBefore().get())) {
localCopy = change.getRootNode().getDataAfter().get();
} else {
- LOG.debug("Ignoring notification: {}", change);
+ LOG.warn("Ignoring notification.");
+ LOG.trace("Ignored notification content: {}", change);
}
} else {
LOG.warn("getDataAfter() is missing from notification. change: {}", change);
}
@Override
- public void onDataTreeFailed(@Nonnull Collection<DOMDataTreeListeningException> causes) {
+ public void onDataTreeFailed(Collection<DOMDataTreeListeningException> causes) {
}
return localCopy != null;
}
+ public Future<Void> tryFinishProcessing() {
+ executorService = Executors.newSingleThreadScheduledExecutor();
+ final SettableFuture<Void> settableFuture = SettableFuture.create();
+
+ scheduledFuture = executorService.scheduleAtFixedRate(new CheckFinishedTask(settableFuture),
+ 0, 1, TimeUnit.SECONDS);
+ return settableFuture;
+ }
+
public boolean checkEqual(final NormalizedNode<?, ?> expected) {
return localCopy.equals(expected);
}
+
+ private class CheckFinishedTask implements Runnable {
+
+ private final SettableFuture<Void> future;
+
+ CheckFinishedTask(final SettableFuture<Void> future) {
+ this.future = future;
+ }
+
+ @Override
+ public void run() {
+ if (System.nanoTime() - lastNotifTimestamp.get() > SECOND_AS_NANO * 4) {
+ scheduledFuture.cancel(false);
+ future.set(null);
+
+ executorService.shutdown();
+ }
+ }
+ }
}