CDS: Implement front-end support for local transactions

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / messages / CanCommitTransactionReply.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CanCommitTransactionReply.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CanCommitTransactionReply.java
index 4d121bae0adbc1aa0dee6d2888b0982293c70810..7e8cd436d2ce0133d612eaa0ec2ad31ec57b54c9 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CanCommitTransactionReply.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/CanCommitTransactionReply.java
@@ -14,23 +14,33 @@ public class CanCommitTransactionReply implements SerializableMessage {
     public static final Class<ThreePhaseCommitCohortMessages.CanCommitTransactionReply> SERIALIZABLE_CLASS =
             ThreePhaseCommitCohortMessages.CanCommitTransactionReply.class;
 
-    private final Boolean canCommit;
+    public static final CanCommitTransactionReply YES = new CanCommitTransactionReply(true);
+    public static final CanCommitTransactionReply NO = new CanCommitTransactionReply(false);
 
-    public CanCommitTransactionReply(final Boolean canCommit) {
+    private static final ThreePhaseCommitCohortMessages.CanCommitTransactionReply YES_SERIALIZED =
+            ThreePhaseCommitCohortMessages.CanCommitTransactionReply.newBuilder().setCanCommit(true).build();
+
+    private static final ThreePhaseCommitCohortMessages.CanCommitTransactionReply NO_SERIALIZED =
+            ThreePhaseCommitCohortMessages.CanCommitTransactionReply.newBuilder().setCanCommit(false).build();
+
+    private final boolean canCommit;
+
+    private CanCommitTransactionReply(final boolean canCommit) {
         this.canCommit = canCommit;
     }
 
-    public Boolean getCanCommit() {
+    public boolean getCanCommit() {
         return canCommit;
     }
 
     @Override
     public Object toSerializable() {
-        return ThreePhaseCommitCohortMessages.CanCommitTransactionReply.newBuilder().setCanCommit(canCommit).build();
+        return canCommit ? YES_SERIALIZED : NO_SERIALIZED;
     }
 
     public static CanCommitTransactionReply fromSerializable(final Object message) {
-        return new CanCommitTransactionReply(
-                ((ThreePhaseCommitCohortMessages.CanCommitTransactionReply) message).getCanCommit());
+        ThreePhaseCommitCohortMessages.CanCommitTransactionReply serialized =
+                (ThreePhaseCommitCohortMessages.CanCommitTransactionReply) message;
+        return serialized.getCanCommit() ? YES : NO;
     }
 }