BUG-5280: eliminate ShardTransactionIdentifier
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardReadTransaction.java
index 41ca486eb6cf9c15756b8e5748f75358fb61c409..d28278afa9dd5521f286fbf9fff50f7faf330762 100644 (file)
@@ -1,11 +1,9 @@
 /*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
  *
- *  Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
- *
- *  This program and the accompanying materials are made available under the
- *  terms of the Eclipse Public License v1.0 which accompanies this distribution,
- *  and is available at http://www.eclipse.org/legal/epl-v10.html
- *
+ * This program and the accompanying materials are made available under the
+ * 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.datastore;
@@ -13,17 +11,12 @@ package org.opendaylight.controller.cluster.datastore;
 import akka.actor.ActorRef;
 import akka.actor.PoisonPill;
 import com.google.common.base.Optional;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
 import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
 import org.opendaylight.controller.cluster.datastore.messages.CreateSnapshot;
 import org.opendaylight.controller.cluster.datastore.messages.DataExists;
 import org.opendaylight.controller.cluster.datastore.messages.ReadData;
 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
 import org.opendaylight.controller.cluster.raft.base.messages.CaptureSnapshotReply;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
@@ -32,31 +25,22 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  * Date: 8/6/14
  */
 public class ShardReadTransaction extends ShardTransaction {
-    private static final YangInstanceIdentifier DATASTORE_ROOT = YangInstanceIdentifier.builder().build();
+    private final AbstractShardDataTreeTransaction<?> transaction;
 
-    private final DOMStoreReadTransaction transaction;
-
-    public ShardReadTransaction(DOMStoreReadTransaction transaction, ActorRef shardActor,
-            ShardStats shardStats, String transactionID, short clientTxVersion) {
-        super(shardActor, shardStats, transactionID, clientTxVersion);
+    public ShardReadTransaction(AbstractShardDataTreeTransaction<?> transaction, ActorRef shardActor,
+            ShardStats shardStats) {
+        super(shardActor, shardStats, transaction.getId());
         this.transaction = transaction;
     }
 
     @Override
-    public void handleReceive(Object message) throws Exception {
-        if(message instanceof ReadData) {
-            readData(transaction, (ReadData) message, !SERIALIZED_REPLY);
-
-        } else if (message instanceof DataExists) {
-            dataExists(transaction, (DataExists) message, !SERIALIZED_REPLY);
-        } else if (message instanceof CreateSnapshot) {
+    public void handleReceive(Object message) {
+        if (message instanceof CreateSnapshot) {
             createSnapshot();
-        } else if(ReadData.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            readData(transaction, ReadData.fromSerializable(message), SERIALIZED_REPLY);
-
-        } else if(DataExists.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            dataExists(transaction, DataExists.fromSerializable(message), SERIALIZED_REPLY);
-
+        } else if(ReadData.isSerializedType(message)) {
+            readData(transaction, ReadData.fromSerializable(message));
+        } else if(DataExists.isSerializedType(message)) {
+            dataExists(transaction, DataExists.fromSerializable(message));
         } else {
             super.handleReceive(message);
         }
@@ -70,28 +54,16 @@ public class ShardReadTransaction extends ShardTransaction {
 
         final ActorRef sender = getSender();
         final ActorRef self = getSelf();
-        final ListenableFuture<Optional<NormalizedNode<?, ?>>> future = transaction.read(DATASTORE_ROOT);
-
-        Futures.addCallback(future, new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
-            @Override
-            public void onSuccess(Optional<NormalizedNode<?, ?>> result) {
-                byte[] serialized = SerializationUtils.serializeNormalizedNode(result.get());
-                sender.tell(new CaptureSnapshotReply(serialized), self);
-
-                self.tell(PoisonPill.getInstance(), self);
-            }
+        final Optional<NormalizedNode<?, ?>> result = transaction.getSnapshot().readNode(YangInstanceIdentifier.EMPTY);
 
-            @Override
-            public void onFailure(Throwable t) {
-                sender.tell(new akka.actor.Status.Failure(t), self);
+        byte[] serialized = SerializationUtils.serializeNormalizedNode(result.get());
+        sender.tell(new CaptureSnapshotReply(serialized), self);
 
-                self.tell(PoisonPill.getInstance(), self);
-            }
-        });
+        self.tell(PoisonPill.getInstance(), self);
     }
 
     @Override
-    protected DOMStoreTransaction getDOMStoreTransaction() {
+    protected AbstractShardDataTreeTransaction<?> getDOMStoreTransaction() {
         return transaction;
     }