RIBImpl.vpnTableRefresher should be final

This field not updated from anywhere, make it final.

Change-Id: I843bc7c87d5eb69b6c48841013ec3d7d11aa93a6
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
(cherry picked from commit a8473db471cd36ef5c6a1eb0eb30f3affb76645f)

diff --git a/bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/RIBImpl.java b/bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/RIBImpl.java
index 15d14adbadd2bf7bed7a27e2bc643b28b3e2221f..f044754c225a21e4cbb7cf453ec62056dde42b54 100755 (executable)
--- a/bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/RIBImpl.java
+++ b/bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/RIBImpl.java
@@ -107,7 +107,7 @@ public final class RIBImpl extends BGPRIBStateImpl implements RIB, TransactionCh
     private DOMTransactionChain domChain;
     @GuardedBy("this")
     private boolean isServiceInstantiated;
-    private Map<TablesKey, RibOutRefresh> vpnTableRefresher = new HashMap<>();
+    private final Map<TablesKey, RibOutRefresh> vpnTableRefresher = new HashMap<>();
 
     public RIBImpl(
             final BGPTableTypeRegistryConsumer tableTypeRegistry,