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%2FTransactionProxy.java;h=74245c42592ca3d6743d0aef3b48bb2e6ace2b45;hp=c3c7e7c00cb0d6ee4077042fa11fb548c2d74e1f;hb=c1362c86eb19e92e6c64d10099a45deb499c6db1;hpb=1c0243c99d973e49c7e55404225d13ec09861a95

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionProxy.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionProxy.java
index c3c7e7c00c..74245c4259 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionProxy.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionProxy.java
@@ -8,56 +8,74 @@
 
 package org.opendaylight.controller.cluster.datastore;
 
+import akka.actor.ActorPath;
 import akka.actor.ActorSelection;
 import com.google.common.base.Optional;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.ListenableFutureTask;
+import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction;
 import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
 import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
+import org.opendaylight.controller.cluster.datastore.messages.DeleteData;
+import org.opendaylight.controller.cluster.datastore.messages.MergeData;
 import org.opendaylight.controller.cluster.datastore.messages.ReadData;
 import org.opendaylight.controller.cluster.datastore.messages.ReadDataReply;
+import org.opendaylight.controller.cluster.datastore.messages.ReadyTransaction;
+import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply;
+import org.opendaylight.controller.cluster.datastore.messages.WriteData;
 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
+import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 import java.util.concurrent.Callable;
-import java.util.concurrent.Executors;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.atomic.AtomicLong;
 
 /**
  * TransactionProxy acts as a proxy for one or more transactions that were created on a remote shard
- *
+ * <p>
  * Creating a transaction on the consumer side will create one instance of a transaction proxy. If during
  * the transaction reads and writes are done on data that belongs to different shards then a separate transaction will
  * be created on each of those shards by the TransactionProxy
- *
+ *</p>
+ * <p>
  * The TransactionProxy does not make any guarantees about atomicity or order in which the transactions on the various
  * shards will be executed.
- *
+ * </p>
  */
 public class TransactionProxy implements DOMStoreReadWriteTransaction {
-
     public enum TransactionType {
         READ_ONLY,
         WRITE_ONLY,
         READ_WRITE
     }
 
-    private final TransactionType readOnly;
+    private static final AtomicLong counter = new AtomicLong();
+
+    private final TransactionType transactionType;
     private final ActorContext actorContext;
     private final Map<String, ActorSelection> remoteTransactionPaths = new HashMap<>();
+    private final String identifier;
+    private final ExecutorService executor;
 
     public TransactionProxy(
         ActorContext actorContext,
-        TransactionType readOnly) {
+        TransactionType transactionType,
+        ExecutorService executor
+        ) {
 
-        this.readOnly = readOnly;
+        this.identifier = "txn-" + counter.getAndIncrement();
+        this.transactionType = transactionType;
         this.actorContext = actorContext;
+        this.executor = executor;
 
-        Object response = actorContext.executeShardOperation(Shard.DEFAULT_NAME, new CreateTransaction(), ActorContext.ASK_DURATION);
+        Object response = actorContext.executeShardOperation(Shard.DEFAULT_NAME, new CreateTransaction(identifier), ActorContext.ASK_DURATION);
         if(response instanceof CreateTransactionReply){
             CreateTransactionReply reply = (CreateTransactionReply) response;
             remoteTransactionPaths.put(Shard.DEFAULT_NAME, actorContext.actorSelection(reply.getTransactionPath()));
@@ -76,6 +94,9 @@ public class TransactionProxy implements DOMStoreReadWriteTransaction {
                         ActorContext.ASK_DURATION);
                 if(response instanceof ReadDataReply){
                     ReadDataReply reply = (ReadDataReply) response;
+                    if(reply.getNormalizedNode() == null){
+                        return Optional.absent();
+                    }
                     //FIXME : A cast should not be required here ???
                     return (Optional<NormalizedNode<?, ?>>) Optional.of(reply.getNormalizedNode());
                 }
@@ -87,40 +108,58 @@ public class TransactionProxy implements DOMStoreReadWriteTransaction {
         ListenableFutureTask<Optional<NormalizedNode<?, ?>>>
             future = ListenableFutureTask.create(call);
 
-        //FIXME : Use a thread pool here
-        Executors.newSingleThreadExecutor().submit(future);
+        executor.submit(future);
 
         return future;
     }
 
     @Override
     public void write(InstanceIdentifier path, NormalizedNode<?, ?> data) {
-        throw new UnsupportedOperationException("write");
+        final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
+        remoteTransaction.tell(new WriteData(path, data), null);
     }
 
     @Override
     public void merge(InstanceIdentifier path, NormalizedNode<?, ?> data) {
-        throw new UnsupportedOperationException("merge");
+        final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
+        remoteTransaction.tell(new MergeData(path, data), null);
     }
 
     @Override
     public void delete(InstanceIdentifier path) {
-        throw new UnsupportedOperationException("delete");
+        final ActorSelection remoteTransaction = remoteTransactionFromIdentifier(path);
+        remoteTransaction.tell(new DeleteData(path), null);
     }
 
     @Override
     public DOMStoreThreePhaseCommitCohort ready() {
-        throw new UnsupportedOperationException("ready");
+        List<ActorPath> cohortPaths = new ArrayList<>();
+
+        for(ActorSelection remoteTransaction : remoteTransactionPaths.values()) {
+            Object result = actorContext.executeRemoteOperation(remoteTransaction,
+                new ReadyTransaction(),
+                ActorContext.ASK_DURATION
+            );
+
+            if(result instanceof ReadyTransactionReply){
+                ReadyTransactionReply reply = (ReadyTransactionReply) result;
+                cohortPaths.add(reply.getCohortPath());
+            }
+        }
+
+        return new ThreePhaseCommitCohortProxy(actorContext, cohortPaths, identifier, executor);
     }
 
     @Override
     public Object getIdentifier() {
-        throw new UnsupportedOperationException("getIdentifier");
+        return this.identifier;
     }
 
     @Override
     public void close() {
-        throw new UnsupportedOperationException("close");
+        for(ActorSelection remoteTransaction : remoteTransactionPaths.values()) {
+            remoteTransaction.tell(new CloseTransaction(), null);
+        }
     }
 
     private ActorSelection remoteTransactionFromIdentifier(InstanceIdentifier path){