CDS: Implement front-end support for local transactions
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ShardTransactionChain.java
index e7a1818..aedc6c4 100644 (file)
@@ -8,15 +8,16 @@
 
 package org.opendaylight.controller.cluster.datastore;
 
+import com.google.common.base.Preconditions;
 import akka.actor.ActorRef;
 import akka.actor.Props;
 import akka.japi.Creator;
-
+import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
+import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats;
 import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionChain;
 import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionChainReply;
 import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
 import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 
 /**
@@ -24,17 +25,15 @@ import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  */
 public class ShardTransactionChain extends AbstractUntypedActor {
 
-    private final DOMStoreTransactionChain chain;
+    private final ShardDataTreeTransactionChain chain;
     private final DatastoreContext datastoreContext;
-    private final SchemaContext schemaContext;
-    private final String shardName;
+    private final ShardStats shardStats;
 
-    public ShardTransactionChain(DOMStoreTransactionChain chain, SchemaContext schemaContext,
-            DatastoreContext datastoreContext,String shardName) {
-        this.chain = chain;
+    public ShardTransactionChain(ShardDataTreeTransactionChain chain, DatastoreContext datastoreContext,
+            ShardStats shardStats) {
+        this.chain = Preconditions.checkNotNull(chain);
         this.datastoreContext = datastoreContext;
-        this.schemaContext = schemaContext;
-        this.shardName = shardName;
+        this.shardStats = shardStats;
     }
 
     @Override
@@ -44,7 +43,7 @@ public class ShardTransactionChain extends AbstractUntypedActor {
             createTransaction(createTransaction);
         } else if (message.getClass().equals(CloseTransactionChain.SERIALIZABLE_CLASS)) {
             chain.close();
-            getSender().tell(new CloseTransactionChainReply().toSerializable(), getSelf());
+            getSender().tell(CloseTransactionChainReply.INSTANCE.toSerializable(), getSelf());
         }else{
             unknownMessage(message);
         }
@@ -54,63 +53,58 @@ public class ShardTransactionChain extends AbstractUntypedActor {
         return getContext().parent();
     }
 
-    private ActorRef createTypedTransactionActor(CreateTransaction createTransaction,
-            String transactionId) {
-        if(createTransaction.getTransactionType() ==
-                TransactionProxy.TransactionType.READ_ONLY.ordinal()) {
-            return getContext().actorOf(
-                    ShardTransaction.props( chain.newReadOnlyTransaction(), getShardActor(),
-                            schemaContext, datastoreContext,shardName), transactionId);
-        } else if (createTransaction.getTransactionType() ==
-                TransactionProxy.TransactionType.READ_WRITE.ordinal()) {
-            return getContext().actorOf(
-                    ShardTransaction.props( chain.newReadWriteTransaction(), getShardActor(),
-                            schemaContext, datastoreContext,shardName), transactionId);
-        } else if (createTransaction.getTransactionType() ==
-                TransactionProxy.TransactionType.WRITE_ONLY.ordinal()) {
-            return getContext().actorOf(
-                    ShardTransaction.props( chain.newWriteOnlyTransaction(), getShardActor(),
-                            schemaContext, datastoreContext,shardName), transactionId);
-        } else {
-            throw new IllegalArgumentException (
-                    "CreateTransaction message has unidentified transaction type=" +
-                             createTransaction.getTransactionType());
+    private ActorRef createTypedTransactionActor(CreateTransaction createTransaction) {
+        String transactionName = "shard-" + createTransaction.getTransactionId();
+
+        final TransactionType type = TransactionType.fromInt(createTransaction.getTransactionType());
+        final AbstractShardDataTreeTransaction<?> transaction;
+        switch (type) {
+        case READ_ONLY:
+            transaction = chain.newReadOnlyTransaction(transactionName);
+            break;
+        case READ_WRITE:
+        case WRITE_ONLY:
+            transaction = chain.newReadWriteTransaction(transactionName);
+            break;
+        default:
+            throw new IllegalArgumentException("Unhandled transaction type " + type);
         }
+
+        return getContext().actorOf(
+            ShardTransaction.props(type, transaction, getShardActor(),
+                    datastoreContext, shardStats, createTransaction.getTransactionId(),
+                    createTransaction.getVersion()), transactionName);
     }
 
     private void createTransaction(CreateTransaction createTransaction) {
 
-        ActorRef transactionActor = createTypedTransactionActor(createTransaction, "shard-" + createTransaction.getTransactionId());
-        getSender()
-            .tell(new CreateTransactionReply(transactionActor.path().toString(),createTransaction.getTransactionId()).toSerializable(),
-                getSelf());
+        ActorRef transactionActor = createTypedTransactionActor(createTransaction);
+        getSender().tell(new CreateTransactionReply(transactionActor.path().toString(),
+                createTransaction.getTransactionId()).toSerializable(), getSelf());
     }
 
-    public static Props props(DOMStoreTransactionChain chain, SchemaContext schemaContext,
-        DatastoreContext datastoreContext, String shardName) {
-        return Props.create(new ShardTransactionChainCreator(chain, schemaContext, datastoreContext, shardName));
+    public static Props props(ShardDataTreeTransactionChain chain, SchemaContext schemaContext,
+        DatastoreContext datastoreContext, ShardStats shardStats) {
+        return Props.create(new ShardTransactionChainCreator(chain, datastoreContext, shardStats));
     }
 
     private static class ShardTransactionChainCreator implements Creator<ShardTransactionChain> {
         private static final long serialVersionUID = 1L;
 
-        final DOMStoreTransactionChain chain;
+        final ShardDataTreeTransactionChain chain;
         final DatastoreContext datastoreContext;
-        final SchemaContext schemaContext;
-        final String shardName;
-
+        final ShardStats shardStats;
 
-        ShardTransactionChainCreator(DOMStoreTransactionChain chain, SchemaContext schemaContext,
-            DatastoreContext datastoreContext, String shardName) {
+        ShardTransactionChainCreator(ShardDataTreeTransactionChain chain, DatastoreContext datastoreContext,
+                ShardStats shardStats) {
             this.chain = chain;
             this.datastoreContext = datastoreContext;
-            this.schemaContext = schemaContext;
-            this.shardName = shardName;
+            this.shardStats = shardStats;
         }
 
         @Override
         public ShardTransactionChain create() throws Exception {
-            return new ShardTransactionChain(chain, schemaContext, datastoreContext,shardName);
+            return new ShardTransactionChain(chain, datastoreContext, shardStats);
         }
     }
 }

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