Simplify recoveryTime computation

Stopwatch.stop() returns self, take advantage of that to shorted
the code to compute the formatting string. Also drop toString()
call, as it is implied by string concat.

Change-Id: I4fa645e42fc38b5f9f0775d986fd17aa693725b1
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorRecoverySupport.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorRecoverySupport.java
index 283aa8f142087c2421f58d7a116351652c58575f..873b8514a2e30038f4327a01507df063b2468211 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorRecoverySupport.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorRecoverySupport.java
@@ -246,11 +246,12 @@ class RaftActorRecoverySupport {
             endCurrentLogRecoveryBatch();
         }
 
-        String recoveryTime = "";
+        final String recoveryTime;
         if (recoveryTimer != null) {
-            recoveryTimer.stop();
-            recoveryTime = " in " + recoveryTimer.toString();
+            recoveryTime = " in " + recoveryTimer.stop();
             recoveryTimer = null;
+        } else {
+            recoveryTime = "";
         }
 
         log.info("{}: Recovery completed {} - Switching actor to Follower - last log index = {}, last log term = {}, "