Cleanup ShardWriteTransaction
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardWriteTransaction.java
index 4ae54d3e5f727856c93a6f896e7630f21e11c10d..67f2c684a15743e86c0855010bd72c492baf7fd3 100644 (file)
@@ -11,7 +11,7 @@ package org.opendaylight.controller.cluster.datastore;
 
 import akka.actor.ActorRef;
 import akka.actor.PoisonPill;
-import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
 import org.opendaylight.controller.cluster.datastore.messages.BatchedModifications;
 import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply;
 import org.opendaylight.controller.cluster.datastore.messages.DataExists;
@@ -20,8 +20,9 @@ import org.opendaylight.controller.cluster.datastore.messages.ReadData;
 import org.opendaylight.controller.cluster.datastore.modification.Modification;
 
 /**
- * @author: syedbahm
- * Date: 8/6/14
+ * Actor for a shard write-only transaction.
+ *
+ * @author syedbahm
  */
 public class ShardWriteTransaction extends ShardTransaction {
 
@@ -29,9 +30,9 @@ public class ShardWriteTransaction extends ShardTransaction {
     private Exception lastBatchedModificationsException;
     private final ReadWriteShardDataTreeTransaction transaction;
 
-    public ShardWriteTransaction(ReadWriteShardDataTreeTransaction transaction, ActorRef shardActor,
-            ShardStats shardStats) {
-        super(shardActor, shardStats, transaction.getId());
+    public ShardWriteTransaction(final ReadWriteShardDataTreeTransaction transaction, final ActorRef shardActor,
+            final ShardStats shardStats) {
+        super(shardActor, shardStats, transaction.getIdentifier());
         this.transaction = transaction;
     }
 
@@ -41,7 +42,7 @@ public class ShardWriteTransaction extends ShardTransaction {
     }
 
     @Override
-    public void handleReceive(Object message) {
+    public void handleReceive(final Object message) {
         if (message instanceof BatchedModifications) {
             batchedModifications((BatchedModifications)message);
         } else {
@@ -49,7 +50,8 @@ public class ShardWriteTransaction extends ShardTransaction {
         }
     }
 
-    private void batchedModifications(BatchedModifications batched) {
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    private void batchedModifications(final BatchedModifications batched) {
         if (checkClosed()) {
             if (batched.isReady()) {
                 getSelf().tell(PoisonPill.getInstance(), getSelf());
@@ -58,23 +60,23 @@ public class ShardWriteTransaction extends ShardTransaction {
         }
 
         try {
-            for(Modification modification: batched.getModifications()) {
+            for (Modification modification: batched.getModifications()) {
                 modification.apply(transaction.getSnapshot());
             }
 
             totalBatchedModificationsReceived++;
-            if(batched.isReady()) {
-                if(lastBatchedModificationsException != null) {
+            if (batched.isReady()) {
+                if (lastBatchedModificationsException != null) {
                     throw lastBatchedModificationsException;
                 }
 
-                if(totalBatchedModificationsReceived != batched.getTotalMessagesSent()) {
+                if (totalBatchedModificationsReceived != batched.getTotalMessagesSent()) {
                     throw new IllegalStateException(String.format(
                             "The total number of batched messages received %d does not match the number sent %d",
                             totalBatchedModificationsReceived, batched.getTotalMessagesSent()));
                 }
 
-                readyTransaction(false, batched.isDoCommitOnReady(), batched.getVersion());
+                readyTransaction(batched);
             } else {
                 getSender().tell(new BatchedModificationsReply(batched.getModifications().size()), getSelf());
             }
@@ -82,36 +84,36 @@ public class ShardWriteTransaction extends ShardTransaction {
             lastBatchedModificationsException = e;
             getSender().tell(new akka.actor.Status.Failure(e), getSelf());
 
-            if(batched.isReady()) {
+            if (batched.isReady()) {
                 getSelf().tell(PoisonPill.getInstance(), getSelf());
             }
         }
     }
 
-    protected final void dataExists(DataExists message) {
+    protected final void dataExists(final DataExists message) {
         super.dataExists(transaction, message);
     }
 
-    protected final void readData(ReadData message) {
+    protected final void readData(final ReadData message) {
         super.readData(transaction, message);
     }
 
     private boolean checkClosed() {
-        if (transaction.isClosed()) {
-            getSender().tell(new akka.actor.Status.Failure(new IllegalStateException("Transaction is closed, no modifications allowed")), getSelf());
-            return true;
-        } else {
-            return false;
+        final boolean ret = transaction.isClosed();
+        if (ret) {
+            getSender().tell(new akka.actor.Status.Failure(new IllegalStateException(
+                    "Transaction is closed, no modifications allowed")), getSelf());
         }
+        return ret;
     }
 
-    private void readyTransaction(boolean returnSerialized, boolean doImmediateCommit, short clientTxVersion) {
-        String transactionID = getTransactionID();
+    private void readyTransaction(final BatchedModifications batched) {
+        TransactionIdentifier transactionID = getTransactionId();
 
         LOG.debug("readyTransaction : {}", transactionID);
 
-        getShardActor().forward(new ForwardedReadyTransaction(transactionID, clientTxVersion,
-                transaction, doImmediateCommit), getContext());
+        getShardActor().forward(new ForwardedReadyTransaction(transactionID, batched.getVersion(),
+                transaction, batched.isDoCommitOnReady(), batched.getParticipatingShardNames()), getContext());
 
         // The shard will handle the commit from here so we're no longer needed - self-destruct.
         getSelf().tell(PoisonPill.getInstance(), getSelf());