* 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.cluster.sharding;
-import com.google.common.base.Preconditions;
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
-import java.util.Optional;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-import javax.annotation.concurrent.GuardedBy;
+import org.checkerframework.checker.lock.qual.GuardedBy;
import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
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.DataTreeCandidateNodes;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory;
import org.opendaylight.yangtools.yang.data.impl.schema.tree.SchemaValidationFailedException;
import org.slf4j.Logger;
DataTreeCandidateNode modifiedChild = candidate.getRootNode();
for (final PathArgument pathArgument : listenerPath.getPathArguments()) {
- modifiedChild = modifiedChild.getModifiedChild(pathArgument);
+ modifiedChild = modifiedChild.getModifiedChild(pathArgument).orElse(null);
}
+
if (modifiedChild == null) {
- modifiedChild = new EmptyDataTreeCandidateNode(dataTree.getRootPath().getLastPathArgument());
+ modifiedChild = DataTreeCandidateNodes.empty(dataTree.getRootPath().getLastPathArgument());
}
return DataTreeCandidates.newDataTreeCandidate(dataTree.getRootPath(), modifiedChild);
DOMDataTreeListenerWithSubshards(final YangInstanceIdentifier listenerPath,
final DOMDataTreeChangeListener delegate) {
- this.listenerPath = Preconditions.checkNotNull(listenerPath);
- this.delegate = Preconditions.checkNotNull(delegate);
+ this.listenerPath = requireNonNull(listenerPath);
+ this.delegate = requireNonNull(delegate);
}
@Override
- public synchronized void onDataTreeChanged(@Nonnull final Collection<DataTreeCandidate> changes) {
+ public synchronized void onDataTreeChanged(final Collection<DataTreeCandidate> changes) {
LOG.debug("Received data changed {}", changes);
if (!stashedDataTreeCandidates.isEmpty()) {
}
void addSubshard(final ChildShardContext context) {
- Preconditions.checkState(context.getShard() instanceof DOMStoreTreeChangePublisher,
+ checkState(context.getShard() instanceof DOMStoreTreeChangePublisher,
"All subshards that are initialDataChangeEvent part of ListenerContext need to be listenable");
final DOMStoreTreeChangePublisher listenableShard = (DOMStoreTreeChangePublisher) context.getShard();
registrations.clear();
}
}
-
- private static final class EmptyDataTreeCandidateNode implements DataTreeCandidateNode {
-
- private final PathArgument identifier;
-
- EmptyDataTreeCandidateNode(final PathArgument identifier) {
- this.identifier = Preconditions.checkNotNull(identifier, "Identifier should not be null");
- }
-
- @Nonnull
- @Override
- public PathArgument getIdentifier() {
- return identifier;
- }
-
- @Nonnull
- @Override
- public Collection<DataTreeCandidateNode> getChildNodes() {
- return Collections.emptySet();
- }
-
- @Nullable
- @Override
- @SuppressWarnings("checkstyle:hiddenField")
- public DataTreeCandidateNode getModifiedChild(final PathArgument identifier) {
- return null;
- }
-
- @Nonnull
- @Override
- public ModificationType getModificationType() {
- return ModificationType.UNMODIFIED;
- }
-
- @Nonnull
- @Override
- public Optional<NormalizedNode<?, ?>> getDataAfter() {
- return Optional.empty();
- }
-
- @Nonnull
- @Override
- public Optional<NormalizedNode<?, ?>> getDataBefore() {
- return Optional.empty();
- }
- }
}