Fixed sonar suggestion in l2handler

Change-Id: Ia16e6197c36b3bebed4610c40624fa180a4b9385
diff --git a/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java b/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java
index dc8500d..47a73d4 100644
--- a/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java
+++ b/app/src/main/java/org/onosproject/segmentrouting/pwaas/DefaultL2TunnelHandler.java
@@ -626,7 +626,7 @@
                               pw.l2TunnelPolicy().cP1InnerTag(),
                               pw.l2TunnelPolicy().cP1OuterTag(),
                               egressVlan,
-                              result.nextId);
+                              result.getNextId());
         if (result != SUCCESS) {
             log.info("Deploying process : Error in deploying pseudowire policy for CP1");
             return Result.INTERNAL_ERROR.appendError("Error in deploying pseudowire policy for CP1");
@@ -673,7 +673,7 @@
                                pw.l2TunnelPolicy().cP2InnerTag(),
                                pw.l2TunnelPolicy().cP2OuterTag(),
                                egressVlan,
-                               result.nextId);
+                               result.getNextId());
         if (result != SUCCESS) {
             log.info("Deploying process : Error in deploying policy for CP2");
             return Result.INTERNAL_ERROR
@@ -1020,7 +1020,7 @@
         log.debug("Initiation next objective for {} not found. Creating new NextObj with id={}",
                   l2Tunnel.tunnelId(), nextObjective.id());
         Result result = SUCCESS;
-        result.nextId = nextObjective.id();
+        result.setNextId(nextObjective.id());
         return result;
     }
 
diff --git a/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java b/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
index 2f7fa32..294134e 100644
--- a/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
+++ b/app/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
@@ -137,7 +137,7 @@
         private final String description;
 
         private String specificError;
-        public int nextId;
+        private int nextId;
 
         Result(int code, String description) {
             this.code = code;
@@ -157,6 +157,14 @@
             return description;
         }
 
+        public int getNextId() {
+            return nextId;
+        }
+
+        public void setNextId(int nextId) {
+            this.nextId = nextId;
+        }
+
         @Override
         public String toString() {
             return code + ": " + description;