fixing warnings

[controller.git] / opendaylight / clustering / services / src / main / java / org / opendaylight / controller / clustering / services / IClusterServices.java

diff --git a/opendaylight/clustering/services/src/main/java/org/opendaylight/controller/clustering/services/IClusterServices.java b/opendaylight/clustering/services/src/main/java/org/opendaylight/controller/clustering/services/IClusterServices.java
index 031434f8e8a5c9cea37695b32c79b4e56a746b87..68960baa07a0d157b1c101fbdb6832208e54376c 100644 (file)
--- a/opendaylight/clustering/services/src/main/java/org/opendaylight/controller/clustering/services/IClusterServices.java
+++ b/opendaylight/clustering/services/src/main/java/org/opendaylight/controller/clustering/services/IClusterServices.java
@@ -118,7 +118,7 @@ public interface IClusterServices {
      *
      * @return ConcurrentHashMap to be used to modify the data structure
      */
-    ConcurrentMap<?, ?> getCache(String containerName, String cacheName);
+    ConcurrentMap<? extends Object, ? extends Object> getCache(String containerName, String cacheName);
 
     /**
      * Destroy a cachename given containerName/cachename, if doesn't exist