Move initial list creation to create-prefix-shard.

[controller.git] / opendaylight / md-sal / samples / clustering-test-app / provider / src / main / java / org / opendaylight / controller / clustering / it / provider / impl / PrefixShardHandler.java

diff --git a/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixShardHandler.java b/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixShardHandler.java
index 22e7700d5cf6166984facd393398eec83b0fb7f8..8f711b3337c9fbdfc8087aa138df3d5a2712d007 100644 (file)
--- a/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixShardHandler.java
+++ b/opendaylight/md-sal/samples/clustering-test-app/provider/src/main/java/org/opendaylight/controller/clustering/it/provider/impl/PrefixShardHandler.java
@@ -8,6 +8,13 @@
 
 package org.opendaylight.controller.clustering.it.provider.impl;
 
+import static org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler.ID;
+import static org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler.ID_INT;
+import static org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler.ID_INTS;
+import static org.opendaylight.controller.clustering.it.provider.impl.ProduceTransactionsHandler.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;
@@ -16,36 +23,55 @@ import java.util.HashMap;
 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.ProduceTransactionsOutput;
 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;
     }
 
@@ -64,7 +90,25 @@ public class PrefixShardHandler {
             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 Void result) {
+                        LOG.debug("Initial list write successful.");
+                        future.set(RpcResultBuilder.<Void>success().build());
+                    }
+
+                    @Override
+                    public void onFailure(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);
@@ -111,4 +155,54 @@ public class PrefixShardHandler {
 
         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 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(Throwable throwable) {
+                //NOOP handled by the caller of this method.
+            }
+        });
+        return future;
+    }
 }