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%2FShardWriteTransaction.java;h=e993e4b55ccd8c18cd427f0a45068002c1efc54d;hp=8b4d576163c94b873a3fd09ed99bd580392813bc;hb=a213231082af487d8b65ea3d411cd029e48b34fa;hpb=758e3e3b16e73298221a78872149814baf735c7d

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java
index 8b4d576163..67f2c684a1 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardWriteTransaction.java
@@ -1,55 +1,121 @@
 /*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ * Copyright (c) 2015 Brocade Communications 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 akka.actor.ActorRef;
-
-import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
-import org.opendaylight.controller.cluster.datastore.messages.MergeData;
-import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
-import org.opendaylight.controller.cluster.datastore.messages.WriteData;
-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;
+import akka.actor.PoisonPill;
+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;
+import org.opendaylight.controller.cluster.datastore.messages.ForwardedReadyTransaction;
+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 {
-    private final DOMStoreWriteTransaction transaction;
 
-    public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor,
-            SchemaContext schemaContext) {
-        super(shardActor, schemaContext);
+    private int totalBatchedModificationsReceived;
+    private Exception lastBatchedModificationsException;
+    private final ReadWriteShardDataTreeTransaction transaction;
+
+    public ShardWriteTransaction(final ReadWriteShardDataTreeTransaction transaction, final ActorRef shardActor,
+            final ShardStats shardStats) {
+        super(shardActor, shardStats, transaction.getIdentifier());
         this.transaction = transaction;
     }
 
     @Override
-    public void handleReceive(Object message) throws Exception {
-        if(WriteData.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            writeData(transaction, WriteData.fromSerializable(message, schemaContext));
-        } else if(MergeData.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            mergeData(transaction, MergeData.fromSerializable(message, schemaContext));
-        } else if(DeleteData.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            deleteData(transaction, DeleteData.fromSerializable(message));
-        } else if(ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) {
-            readyTransaction(transaction, new ReadyTransaction());
+    protected ReadWriteShardDataTreeTransaction getDOMStoreTransaction() {
+        return transaction;
+    }
+
+    @Override
+    public void handleReceive(final Object message) {
+        if (message instanceof BatchedModifications) {
+            batchedModifications((BatchedModifications)message);
         } else {
             super.handleReceive(message);
         }
     }
 
-    @Override
-    protected DOMStoreTransaction getDOMStoreTransaction() {
-        return transaction;
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    private void batchedModifications(final BatchedModifications batched) {
+        if (checkClosed()) {
+            if (batched.isReady()) {
+                getSelf().tell(PoisonPill.getInstance(), getSelf());
+            }
+            return;
+        }
+
+        try {
+            for (Modification modification: batched.getModifications()) {
+                modification.apply(transaction.getSnapshot());
+            }
+
+            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(batched);
+            } 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());
+            }
+        }
+    }
+
+    protected final void dataExists(final DataExists message) {
+        super.dataExists(transaction, message);
+    }
+
+    protected final void readData(final ReadData message) {
+        super.readData(transaction, message);
+    }
+
+    private boolean checkClosed() {
+        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(final BatchedModifications batched) {
+        TransactionIdentifier transactionID = getTransactionId();
+
+        LOG.debug("readyTransaction : {}", transactionID);
+
+        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());
     }
 }