X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FShardReadTransaction.java;h=49cb3c4d38f66d7faf662d7b8d916e7cf6540bb2;hp=41ca486eb6cf9c15756b8e5748f75358fb61c409;hb=3402cfce32b05957219e54754dd7ca5b0a54cd0e;hpb=fe45ad923c8cf83d730cf4d576c310967afabdf3

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardReadTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardReadTransaction.java
index 41ca486eb6..49cb3c4d38 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardReadTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardReadTransaction.java
@@ -1,97 +1,45 @@
 /*
+ * 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;
 
+import static java.util.Objects.requireNonNull;
+
 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;
 
 /**
- * @author: syedbahm
- * Date: 8/6/14
+ * Actor for a shard read transaction.
+ *
+ * @author syedbahm
  */
 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);
-        this.transaction = transaction;
+    public ShardReadTransaction(final AbstractShardDataTreeTransaction<?> transaction, final ActorRef shardActor,
+            final ShardStats shardStats) {
+        super(shardActor, shardStats, transaction.getIdentifier());
+        this.transaction = requireNonNull(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) {
-            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);
-
+    public void handleReceive(final Object message) {
+        if (ReadData.isSerializedType(message)) {
+            readData(transaction, ReadData.fromSerializable(message));
+        } else if (DataExists.isSerializedType(message)) {
+            dataExists(transaction, DataExists.fromSerializable(message));
         } else {
             super.handleReceive(message);
         }
     }
 
-    private void createSnapshot() {
-
-        // This is a special message sent by the shard to send back a serialized snapshot of the whole
-        // data store tree. This transaction was created for that purpose only so we can
-        // self-destruct after sending the reply.
-
-        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);
-            }
-
-            @Override
-            public void onFailure(Throwable t) {
-                sender.tell(new akka.actor.Status.Failure(t), self);
-
-                self.tell(PoisonPill.getInstance(), self);
-            }
-        });
-    }
-
     @Override
-    protected DOMStoreTransaction getDOMStoreTransaction() {
+    protected AbstractShardDataTreeTransaction<?> getDOMStoreTransaction() {
         return transaction;
     }