package org.opendaylight.controller.clustering.it.provider.impl;
+import static org.opendaylight.controller.clustering.it.provider.impl.AbstractTransactionHandler.ID;
+import static org.opendaylight.controller.clustering.it.provider.impl.AbstractTransactionHandler.ID_INT;
+import static org.opendaylight.controller.clustering.it.provider.impl.AbstractTransactionHandler.ID_INTS;
+import static org.opendaylight.controller.clustering.it.provider.impl.AbstractTransactionHandler.ITEM;
+
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.util.Map;
import java.util.concurrent.CompletionStage;
import java.util.stream.Collectors;
+import javax.annotation.Nullable;
import org.opendaylight.controller.cluster.access.concepts.MemberName;
import org.opendaylight.controller.cluster.sharding.DistributedShardFactory;
import org.opendaylight.controller.cluster.sharding.DistributedShardFactory.DistributedShardRegistration;
import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeCursorAwareTransaction;
import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeProducerException;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeService;
import org.opendaylight.mdsal.dom.api.DOMDataTreeShardingConflictException;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CreatePrefixShardInput;
import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemovePrefixShardInput;
import org.opendaylight.yangtools.yang.common.RpcError;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PrefixShardHandler {
private static final Logger LOG = LoggerFactory.getLogger(PrefixShardHandler.class);
+ private static final int MAX_PREFIX = 4;
+ private static final String PREFIX_TEMPLATE = "prefix-";
private final DistributedShardFactory shardFactory;
+ private final DOMDataTreeService domDataTreeService;
private final BindingNormalizedNodeSerializer serializer;
private final Map<YangInstanceIdentifier, DistributedShardRegistration> registrations =
Collections.synchronizedMap(new HashMap<>());
public PrefixShardHandler(final DistributedShardFactory shardFactory,
+ final DOMDataTreeService domDataTreeService,
final BindingNormalizedNodeSerializer serializer) {
this.shardFactory = shardFactory;
+ this.domDataTreeService = domDataTreeService;
this.serializer = serializer;
}
completionStage.thenAccept(registration -> {
LOG.debug("Shard[{}] created successfully.", identifier);
registrations.put(identifier, registration);
- future.set(RpcResultBuilder.<Void>success().build());
+
+ final CheckedFuture<Void, TransactionCommitFailedException> ensureFuture = ensureListExists();
+ Futures.addCallback(ensureFuture, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(@Nullable final Void result) {
+ LOG.debug("Initial list write successful.");
+ future.set(RpcResultBuilder.<Void>success().build());
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ LOG.warn("Shard[{}] creation failed:", identifier, throwable);
+
+ final RpcError error = RpcResultBuilder.newError(RpcError.ErrorType.APPLICATION, "create-shard-failed",
+ "Shard creation failed", "cluster-test-app", "", throwable);
+ future.set(RpcResultBuilder.<Void>failed().withRpcError(error).build());
+ }
+ });
+
});
completionStage.exceptionally(throwable -> {
LOG.warn("Shard[{}] creation failed:", identifier, throwable);
return future;
}
+
+ private CheckedFuture<Void, TransactionCommitFailedException> ensureListExists() {
+
+ final CollectionNodeBuilder<MapEntryNode, MapNode> mapBuilder = ImmutableNodes.mapNodeBuilder(ID_INT);
+
+ // hardcoded initial list population for parallel produce-transactions testing on multiple nodes
+ for (int i = 1; i < MAX_PREFIX; i++) {
+ mapBuilder.withChild(
+ ImmutableNodes.mapEntryBuilder(ID_INT, ID, PREFIX_TEMPLATE + i)
+ .withChild(ImmutableNodes.mapNodeBuilder(ITEM).build())
+ .build());
+ }
+ final MapNode mapNode = mapBuilder.build();
+
+ final ContainerNode containerNode = ImmutableContainerNodeBuilder.create()
+ .withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(ID_INTS))
+ .withChild(mapNode)
+ .build();
+
+ final DOMDataTreeProducer producer = domDataTreeService.createProducer(Collections.singleton(
+ new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY)));
+
+ final DOMDataTreeCursorAwareTransaction tx = producer.createTransaction(false);
+
+ final DOMDataTreeWriteCursor cursor =
+ tx.createCursor(new DOMDataTreeIdentifier(
+ LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY));
+
+ cursor.merge(containerNode.getIdentifier(), containerNode);
+ cursor.close();
+
+ final CheckedFuture<Void, TransactionCommitFailedException> future = tx.submit();
+ Futures.addCallback(future, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(@Nullable final Void result) {
+ try {
+ LOG.debug("Closing producer for initial list.");
+ producer.close();
+ } catch (DOMDataTreeProducerException e) {
+ LOG.warn("Error while closing producer.", e);
+ }
+ }
+
+ @Override
+ public void onFailure(final Throwable throwable) {
+ //NOOP handled by the caller of this method.
+ }
+ });
+ return future;
+ }
}