Expose ImmutableList from FrontendClientMetadata

ImmutableList is an API contract, exposed it to callers.

Change-Id: I7fb2a09c2b225ce48ece7400128c8215d70292fe
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendClientMetadata.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendClientMetadata.java
index 7ff4b1eae0984f5ceb2c13760fb18f517288dc5e..35859bb1c947a33497aed15c59023c810d845f89 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendClientMetadata.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendClientMetadata.java
@@ -33,7 +33,7 @@ public final class FrontendClientMetadata implements Identifiable<ClientIdentifi
         this.currentHistories = ImmutableList.copyOf(currentHistories);
     }
 
-    public Collection<FrontendHistoryMetadata> getCurrentHistories() {
+    public ImmutableList<FrontendHistoryMetadata> getCurrentHistories() {
         return currentHistories;
     }