Bump versions to 4.0.0-SNAPSHOT
[controller.git] / opendaylight / md-sal / samples / clustering-test-app / provider / src / main / java / org / opendaylight / controller / clustering / it / provider / impl / PrefixShardHandler.java
index 22e7700..58666ec 100644 (file)
@@ -5,11 +5,17 @@
  * 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 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.FutureCallback;
 import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
 import com.google.common.util.concurrent.SettableFuture;
 import java.util.Collections;
 import java.util.HashMap;
@@ -18,60 +24,99 @@ import java.util.concurrent.CompletionStage;
 import java.util.stream.Collectors;
 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.controller.cluster.sharding.DistributedShardRegistration;
 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+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.CreatePrefixShardOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.CreatePrefixShardOutputBuilder;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemovePrefixShardInput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemovePrefixShardOutput;
+import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.RemovePrefixShardOutputBuilder;
 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;
 
+@Deprecated(forRemoval = true)
 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;
     }
 
-    public ListenableFuture<RpcResult<Void>> onCreatePrefixShard(final CreatePrefixShardInput input) {
+    public ListenableFuture<RpcResult<CreatePrefixShardOutput>> onCreatePrefixShard(
+            final CreatePrefixShardInput input) {
 
-        final SettableFuture<RpcResult<Void>> future = SettableFuture.create();
+        final SettableFuture<RpcResult<CreatePrefixShardOutput>> future = SettableFuture.create();
 
         final CompletionStage<DistributedShardRegistration> completionStage;
         final YangInstanceIdentifier identifier = serializer.toYangInstanceIdentifier(input.getPrefix());
 
         try {
-             completionStage = shardFactory.createDistributedShard(
+            completionStage = shardFactory.createDistributedShard(
                     new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, identifier),
                     input.getReplicas().stream().map(MemberName::forName).collect(Collectors.toList()));
 
             completionStage.thenAccept(registration -> {
                 LOG.debug("Shard[{}] created successfully.", identifier);
                 registrations.put(identifier, registration);
-                future.set(RpcResultBuilder.<Void>success().build());
+
+                final ListenableFuture<?> ensureFuture = ensureListExists();
+                Futures.addCallback(ensureFuture, new FutureCallback<Object>() {
+                    @Override
+                    public void onSuccess(final Object result) {
+                        LOG.debug("Initial list write successful.");
+                        future.set(RpcResultBuilder.success(new CreatePrefixShardOutputBuilder().build()).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.<CreatePrefixShardOutput>failed().withRpcError(error).build());
+                    }
+                }, MoreExecutors.directExecutor());
             });
             completionStage.exceptionally(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());
+                future.set(RpcResultBuilder.<CreatePrefixShardOutput>failed().withRpcError(error).build());
                 return null;
             });
         } catch (final DOMDataTreeShardingConflictException e) {
@@ -79,13 +124,14 @@ public class PrefixShardHandler {
 
             final RpcError error = RpcResultBuilder.newError(RpcError.ErrorType.APPLICATION, "create-shard-failed",
                     "Sharding conflict", "cluster-test-app", "", e);
-            future.set(RpcResultBuilder.<Void>failed().withRpcError(error).build());
+            future.set(RpcResultBuilder.<CreatePrefixShardOutput>failed().withRpcError(error).build());
         }
 
         return future;
     }
 
-    public ListenableFuture<RpcResult<Void>> onRemovePrefixShard(final RemovePrefixShardInput input) {
+    public ListenableFuture<RpcResult<RemovePrefixShardOutput>> onRemovePrefixShard(
+            final RemovePrefixShardInput input) {
 
         final YangInstanceIdentifier identifier = serializer.toYangInstanceIdentifier(input.getPrefix());
         final DistributedShardRegistration registration = registrations.get(identifier);
@@ -93,22 +139,73 @@ public class PrefixShardHandler {
         if (registration == null) {
             final RpcError error = RpcResultBuilder.newError(RpcError.ErrorType.APPLICATION, "registration-missing",
                     "No shard registered at this prefix.");
-            return Futures.immediateFuture(RpcResultBuilder.<Void>failed().withRpcError(error).build());
+            return Futures.immediateFuture(RpcResultBuilder.<RemovePrefixShardOutput>failed().withRpcError(error)
+                .build());
         }
 
-        final SettableFuture<RpcResult<Void>> future = SettableFuture.create();
+        final SettableFuture<RpcResult<RemovePrefixShardOutput>> future = SettableFuture.create();
 
         final CompletionStage<Void> close = registration.close();
-        close.thenRun(() -> future.set(RpcResultBuilder.<Void>success().build()));
+        close.thenRun(() -> future.set(RpcResultBuilder.success(new RemovePrefixShardOutputBuilder().build()).build()));
         close.exceptionally(throwable -> {
             LOG.warn("Shard[{}] removal failed:", identifier, throwable);
 
             final RpcError error = RpcResultBuilder.newError(RpcError.ErrorType.APPLICATION, "remove-shard-failed",
                     "Shard removal failed", "cluster-test-app", "", throwable);
-            future.set(RpcResultBuilder.<Void>failed().withRpcError(error).build());
+            future.set(RpcResultBuilder.<RemovePrefixShardOutput>failed().withRpcError(error).build());
             return null;
         });
 
         return future;
     }
+
+    private ListenableFuture<?> 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 ListenableFuture<?> future = tx.commit();
+        Futures.addCallback(future, new FutureCallback<Object>() {
+            @Override
+            public void onSuccess(final Object 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.
+            }
+        }, MoreExecutors.directExecutor());
+        return future;
+    }
 }