Merge changes I114cbac1,I45c2e7cd
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardWriteTransaction.java
index a4a2f45fdbdda87cc1166aa0e169214eea0df313..1d5b1d8e1b99bf35f5fabe8ab3723892dd7af193 100644 (file)
@@ -1,6 +1,6 @@
 /*
- *
  *  Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *  Copyright (c) 2015 Brocade Communications 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,
@@ -13,6 +13,8 @@ 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.datastore.messages.BatchedModifications;
+import org.opendaylight.controller.cluster.datastore.messages.BatchedModificationsReply;
 import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
 import org.opendaylight.controller.cluster.datastore.messages.DeleteDataReply;
 import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction;
@@ -24,12 +26,12 @@ import org.opendaylight.controller.cluster.datastore.messages.WriteDataReply;
 import org.opendaylight.controller.cluster.datastore.modification.CompositeModification;
 import org.opendaylight.controller.cluster.datastore.modification.DeleteModification;
 import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
+import org.opendaylight.controller.cluster.datastore.modification.Modification;
 import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification;
 import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 
 /**
  * @author: syedbahm
@@ -37,13 +39,14 @@ import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  */
 public class ShardWriteTransaction extends ShardTransaction {
 
-    private final MutableCompositeModification modification = new MutableCompositeModification();
+    private final MutableCompositeModification compositeModification = new MutableCompositeModification();
+    private int totalBatchedModificationsReceived;
+    private Exception lastBatchedModificationsException;
     private final DOMStoreWriteTransaction transaction;
 
     public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor,
-            SchemaContext schemaContext, ShardStats shardStats, String transactionID,
-            short clientTxVersion) {
-        super(shardActor, schemaContext, shardStats, transactionID, clientTxVersion);
+            ShardStats shardStats, String transactionID, short clientTxVersion) {
+        super(shardActor, shardStats, transactionID, clientTxVersion);
         this.transaction = transaction;
     }
 
@@ -55,18 +58,12 @@ public class ShardWriteTransaction extends ShardTransaction {
     @Override
     public void handleReceive(Object message) throws Exception {
 
-        if (message instanceof WriteData) {
-            writeData(transaction, (WriteData) message, !SERIALIZED_REPLY);
-
-        } else if (message instanceof MergeData) {
-            mergeData(transaction, (MergeData) message, !SERIALIZED_REPLY);
-
-        } else if (message instanceof DeleteData) {
-            deleteData(transaction, (DeleteData) message, !SERIALIZED_REPLY);
-
+        if (message instanceof BatchedModifications) {
+            batchedModifications((BatchedModifications)message);
         } else if (message instanceof ReadyTransaction) {
             readyTransaction(transaction, !SERIALIZED_REPLY);
-
+        } else if(ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) {
+            readyTransaction(transaction, SERIALIZED_REPLY);
         } else if(WriteData.isSerializedType(message)) {
             writeData(transaction, WriteData.fromSerializable(message), SERIALIZED_REPLY);
 
@@ -76,22 +73,52 @@ public class ShardWriteTransaction extends ShardTransaction {
         } else if(DeleteData.isSerializedType(message)) {
             deleteData(transaction, DeleteData.fromSerializable(message), SERIALIZED_REPLY);
 
-        } else if(ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            readyTransaction(transaction, SERIALIZED_REPLY);
-
         } else if (message instanceof GetCompositedModification) {
             // This is here for testing only
-            getSender().tell(new GetCompositeModificationReply(modification), getSelf());
+            getSender().tell(new GetCompositeModificationReply(compositeModification), getSelf());
         } else {
             super.handleReceive(message);
         }
     }
 
+    private void batchedModifications(BatchedModifications batched) {
+        try {
+            for(Modification modification: batched.getModifications()) {
+                compositeModification.addModification(modification);
+                modification.apply(transaction);
+            }
+
+            totalBatchedModificationsReceived++;
+            if(batched.isReady()) {
+                if(lastBatchedModificationsException != null) {
+                    throw lastBatchedModificationsException;
+                }
+
+                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(transaction, false);
+            } else {
+                getSender().tell(new BatchedModificationsReply(batched.getModifications().size()), getSelf());
+            }
+        } catch (Exception e) {
+            lastBatchedModificationsException = e;
+            getSender().tell(new akka.actor.Status.Failure(e), getSelf());
+
+            if(batched.isReady()) {
+                getSelf().tell(PoisonPill.getInstance(), getSelf());
+            }
+        }
+    }
+
     private void writeData(DOMStoreWriteTransaction transaction, WriteData message,
             boolean returnSerialized) {
         LOG.debug("writeData at path : {}", message.getPath());
 
-        modification.addModification(
+        compositeModification.addModification(
                 new WriteModification(message.getPath(), message.getData()));
         try {
             transaction.write(message.getPath(), message.getData());
@@ -107,7 +134,7 @@ public class ShardWriteTransaction extends ShardTransaction {
             boolean returnSerialized) {
         LOG.debug("mergeData at path : {}", message.getPath());
 
-        modification.addModification(
+        compositeModification.addModification(
                 new MergeModification(message.getPath(), message.getData()));
 
         try {
@@ -124,7 +151,7 @@ public class ShardWriteTransaction extends ShardTransaction {
             boolean returnSerialized) {
         LOG.debug("deleteData at path : {}", message.getPath());
 
-        modification.addModification(new DeleteModification(message.getPath()));
+        compositeModification.addModification(new DeleteModification(message.getPath()));
         try {
             transaction.delete(message.getPath());
             DeleteDataReply deleteDataReply = DeleteDataReply.INSTANCE;
@@ -143,7 +170,7 @@ public class ShardWriteTransaction extends ShardTransaction {
         DOMStoreThreePhaseCommitCohort cohort =  transaction.ready();
 
         getShardActor().forward(new ForwardedReadyTransaction(transactionID, getClientTxVersion(),
-                cohort, modification, returnSerialized), getContext());
+                cohort, compositeModification, returnSerialized), getContext());
 
         // The shard will handle the commit from here so we're no longer needed - self-destruct.
         getSelf().tell(PoisonPill.getInstance(), getSelf());