Added synchronized to singletons

[openflowjava.git] / openflow-protocol-impl / src / main / java / org / opendaylight / openflowjava / protocol / impl / serialization / factories / HelloInputMessageFactory.java

diff --git a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/HelloInputMessageFactory.java b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/HelloInputMessageFactory.java
index c839cd4a3b2d9d92166d9521299aecd5d3af26d9..719dc0f4279ce58f693146a858ed428fa5c7a945 100644 (file)
--- a/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/HelloInputMessageFactory.java
+++ b/openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/factories/HelloInputMessageFactory.java
@@ -29,7 +29,7 @@ public class HelloInputMessageFactory implements OFSerializer<HelloInput>{
     /**\r
      * @return singleton factory\r
      */\r
-    public static HelloInputMessageFactory getInstance() {\r
+    public static synchronized HelloInputMessageFactory getInstance() {\r
         if (instance == null) {\r
             instance = new HelloInputMessageFactory();\r
         }\r