Speedup AbstractLeader.printFollowerStates()

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / behaviors / AbstractLeader.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java
index e5c5dc752d3a257e9ce2f5852bf3350b006b8116..7d45da7a64b91629cc1d9f504de47ec3fe97a94f 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/AbstractLeader.java
@@ -759,13 +759,19 @@ public abstract class AbstractLeader extends AbstractRaftActorBehavior {
 
     // called from example-actor for printing the follower-states
     public String printFollowerStates() {
-        StringBuilder sb = new StringBuilder();
-        for(FollowerLogInformation followerLogInformation : followerToLog.values()) {
-            boolean isFollowerActive = followerLogInformation.isFollowerActive();
-            sb.append("{"+followerLogInformation.getId() + " state:" + isFollowerActive + "},");
+        final StringBuilder sb = new StringBuilder();
 
+        sb.append('[');
+        for (FollowerLogInformation followerLogInformation : followerToLog.values()) {
+            sb.append('{');
+            sb.append(followerLogInformation.getId());
+            sb.append(" state:");
+            sb.append(followerLogInformation.isFollowerActive());
+            sb.append("},");
         }
-        return "[" + sb.toString() + "]";
+        sb.append(']');
+
+        return sb.toString();
     }
 
     @VisibleForTesting