Make Netty-3 dependency optional
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardWriteTransaction.java
index b01fe7d4ac11a4a0eea7cfa28b16f5bea8e7aec5..764361a016dd56a2074dca2b3201927290f6da29 100644 (file)
 /*
+ * 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 akka.actor.PoisonPill;
-import akka.event.Logging;
-import akka.event.LoggingAdapter;
-import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
-import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionReply;
-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.DOMStoreTransactionChain;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+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
  */
+@Deprecated(since = "9.0.0", forRemoval = true)
 public class ShardWriteTransaction extends ShardTransaction {
-  private final DOMStoreWriteTransaction transaction;
-  private final LoggingAdapter log =
-      Logging.getLogger(getContext().system(), this);
-  public ShardWriteTransaction(DOMStoreWriteTransaction transaction, ActorRef shardActor, SchemaContext schemaContext) {
-    super( shardActor, schemaContext);
-    this.transaction = transaction;
-
-  }
-
-  public ShardWriteTransaction(DOMStoreTransactionChain transactionChain, DOMStoreWriteTransaction transaction, ActorRef shardActor, SchemaContext schemaContext) {
-    super(transactionChain, shardActor, schemaContext);
-    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());
-    }else {
-      super.handleReceive(message);
+    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
+    protected ReadWriteShardDataTreeTransaction getDOMStoreTransaction() {
+        return transaction;
+    }
+
+    @Override
+    public void handleReceive(final Object message) {
+        if (message instanceof BatchedModifications) {
+            batchedModifications((BatchedModifications)message);
+        } else {
+            super.handleReceive(message);
+        }
+    }
+
+    @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);
     }
-  }
-
-  protected void closeTransaction(CloseTransaction message) {
-    transaction.close();
-    getSender().tell(new CloseTransactionReply().toSerializable(), getSelf());
-    getSelf().tell(PoisonPill.getInstance(), getSelf());
-  }
-
-    /**
-     * The following method is used in unit testing only
-     * hence the default scope.
-     * This is done to test out failure cases.
-     */
-    public void forUnitTestOnlyExplicitTransactionClose() {
-        transaction.close();
+
+    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());
     }
 }