Stop concatination inside append of StringBuffer

[controller.git] / opendaylight / hosttracker / implementation / src / main / java / org / opendaylight / controller / hosttracker / internal / HostTracker.java

diff --git a/opendaylight/hosttracker/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/HostTracker.java b/opendaylight/hosttracker/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/HostTracker.java
index d7941f9cce19f90e9dc4494b5c074be3b90d4a82..e98b7fc90de84eae635f8ae55e3b3a1a23c49887 100644 (file)
--- a/opendaylight/hosttracker/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/HostTracker.java
+++ b/opendaylight/hosttracker/implementation/src/main/java/org/opendaylight/controller/hosttracker/internal/HostTracker.java
@@ -696,9 +696,9 @@ public class HostTracker implements IfIptoHost, IfHostListener, ISwitchManagerAw
         int num = 1;
         for (ArrayList<String> hierarchy : hierarchies) {
             StringBuffer buf = new StringBuffer();
-            buf.append("Hierarchy#" + num + " : ");
+            buf.append("Hierarchy#").append(num).append(" : ");
             for (String switchName : hierarchy) {
-                buf.append(switchName + "/");
+                buf.append(switchName).append("/");
             }
             logger.debug("{} -> {}", getContainerName(), buf);
             num++;