Merge "Add missing copyright text"
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / ThreePhaseCommitCohortProxy.java
index 0b826071ecbd2ec93f5ecbfaaaffe9c81ffefbd2..57749a1a736bc935da74222ca984d834083d6206 100644 (file)
@@ -11,7 +11,6 @@ package org.opendaylight.controller.cluster.datastore;
 import akka.actor.ActorSelection;
 import akka.dispatch.Futures;
 import akka.dispatch.OnComplete;
-import com.google.common.annotations.VisibleForTesting;
 import com.google.common.collect.Lists;
 import com.google.common.util.concurrent.ListenableFuture;
 import com.google.common.util.concurrent.SettableFuture;
@@ -25,7 +24,6 @@ import org.opendaylight.controller.cluster.datastore.messages.CanCommitTransacti
 import org.opendaylight.controller.cluster.datastore.messages.CommitTransaction;
 import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import scala.concurrent.Future;
@@ -34,30 +32,14 @@ import scala.runtime.AbstractFunction1;
 /**
  * ThreePhaseCommitCohortProxy represents a set of remote cohort proxies
  */
-public class ThreePhaseCommitCohortProxy implements DOMStoreThreePhaseCommitCohort{
+public class ThreePhaseCommitCohortProxy extends AbstractThreePhaseCommitCohort<ActorSelection> {
 
     private static final Logger LOG = LoggerFactory.getLogger(ThreePhaseCommitCohortProxy.class);
 
-    private static final ListenableFuture<Void> IMMEDIATE_SUCCESS =
-            com.google.common.util.concurrent.Futures.immediateFuture(null);
-
     private final ActorContext actorContext;
     private final List<Future<ActorSelection>> cohortFutures;
     private volatile List<ActorSelection> cohorts;
     private final String transactionId;
-    private static final OperationCallback NO_OP_CALLBACK = new OperationCallback() {
-        @Override
-        public void run() {
-        }
-
-        @Override
-        public void success() {
-        }
-
-        @Override
-        public void failure() {
-        }
-    };
 
     public ThreePhaseCommitCohortProxy(ActorContext actorContext,
             List<Future<ActorSelection>> cohortFutures, String transactionId) {
@@ -192,7 +174,7 @@ public class ThreePhaseCommitCohortProxy implements DOMStoreThreePhaseCommitCoho
     public ListenableFuture<Void> preCommit() {
         // We don't need to do anything here - preCommit is done atomically with the commit phase
         // by the shard.
-        return IMMEDIATE_SUCCESS;
+        return IMMEDIATE_VOID_SUCCESS;
     }
 
     @Override
@@ -209,7 +191,7 @@ public class ThreePhaseCommitCohortProxy implements DOMStoreThreePhaseCommitCoho
 
     @Override
     public ListenableFuture<Void> commit() {
-        OperationCallback operationCallback = cohortFutures.isEmpty() ? NO_OP_CALLBACK :
+        OperationCallback operationCallback = cohortFutures.isEmpty() ? OperationCallback.NO_OP_CALLBACK :
                 new TransactionRateLimitingCallback(actorContext);
 
         return voidOperation("commit", new CommitTransaction(transactionId).toSerializable(),
@@ -218,7 +200,8 @@ public class ThreePhaseCommitCohortProxy implements DOMStoreThreePhaseCommitCoho
 
     private ListenableFuture<Void> voidOperation(final String operationName, final Object message,
                                                  final Class<?> expectedResponseClass, final boolean propagateException) {
-        return voidOperation(operationName, message, expectedResponseClass, propagateException, NO_OP_CALLBACK);
+        return voidOperation(operationName, message, expectedResponseClass, propagateException,
+                OperationCallback.NO_OP_CALLBACK);
     }
 
     private ListenableFuture<Void> voidOperation(final String operationName, final Object message,
@@ -322,7 +305,7 @@ public class ThreePhaseCommitCohortProxy implements DOMStoreThreePhaseCommitCoho
         }, actorContext.getClientDispatcher());
     }
 
-    @VisibleForTesting
+    @Override
     List<Future<ActorSelection>> getCohortFutures() {
         return Collections.unmodifiableList(cohortFutures);
     }