diff --git a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
index 9c5b37b..01a09e4 100644
--- a/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
+++ b/src/main/java/org/onosproject/segmentrouting/SegmentRoutingManager.java
@@ -179,8 +179,8 @@
     IcmpHandler icmpHandler = null;
     IpHandler ipHandler = null;
     RoutingRulePopulator routingRulePopulator = null;
-    public ApplicationId appId;
-    public DeviceConfiguration deviceConfiguration = null;
+    ApplicationId appId;
+    DeviceConfiguration deviceConfiguration = null;
 
     DefaultRoutingHandler defaultRoutingHandler = null;
     private TunnelHandler tunnelHandler = null;
@@ -215,17 +215,17 @@
     /**
      * Per device next objective ID store with (device id + neighbor set) as key.
      */
-    public EventuallyConsistentMap<NeighborSetNextObjectiveStoreKey, Integer>
+    EventuallyConsistentMap<NeighborSetNextObjectiveStoreKey, Integer>
             nsNextObjStore = null;
     /**
      * Per device next objective ID store with (device id + subnet) as key.
      */
-    public EventuallyConsistentMap<VlanNextObjectiveStoreKey, Integer>
+    EventuallyConsistentMap<VlanNextObjectiveStoreKey, Integer>
             vlanNextObjStore = null;
     /**
      * Per device next objective ID store with (device id + port) as key.
      */
-    public EventuallyConsistentMap<PortNextObjectiveStoreKey, Integer>
+    EventuallyConsistentMap<PortNextObjectiveStoreKey, Integer>
             portNextObjStore = null;
 
     private EventuallyConsistentMap<String, Tunnel> tunnelStore = null;
@@ -500,6 +500,51 @@
     }
 
     /**
+     * Extracts the application ID from the manager.
+     *
+     * @return application ID
+     */
+    public ApplicationId appId() {
+        return appId;
+    }
+
+    /**
+     * Returns the device configuration.
+     *
+     * @return device configuration
+     */
+    public DeviceConfiguration deviceConfiguration() {
+        return deviceConfiguration;
+    }
+
+    /**
+     * Per device next objective ID store with (device id + neighbor set) as key.
+     *
+     * @return next objective ID store
+     */
+    public EventuallyConsistentMap<NeighborSetNextObjectiveStoreKey, Integer> nsNextObjStore() {
+        return nsNextObjStore;
+    }
+
+    /**
+     * Per device next objective ID store with (device id + subnet) as key.
+     *
+     * @return vlan next object store
+     */
+    public EventuallyConsistentMap<VlanNextObjectiveStoreKey, Integer> vlanNextObjStore() {
+        return vlanNextObjStore;
+    }
+
+    /**
+     * Per device next objective ID store with (device id + port) as key.
+     *
+     * @return port next object store.
+     */
+    public EventuallyConsistentMap<PortNextObjectiveStoreKey, Integer> portNextObjStore() {
+        return portNextObjStore;
+    }
+
+    /**
      * Returns the MPLS-ECMP configuration.
      *
      * @return MPLS-ECMP value
diff --git a/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java b/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
index bd0db54..490bf4f 100644
--- a/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
+++ b/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
@@ -698,7 +698,7 @@
 
     private boolean isSuppressedPort(ConnectPoint connectPoint) {
         SegmentRoutingAppConfig appConfig = srManager.cfgService
-                .getConfig(srManager.appId, SegmentRoutingAppConfig.class);
+                .getConfig(srManager.appId(), SegmentRoutingAppConfig.class);
         if (appConfig != null && appConfig.suppressSubnet().contains(connectPoint)) {
             log.info("Interface configuration on port {} is ignored", connectPoint);
             return true;
diff --git a/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java b/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
index fe33f6c..e73a0d8 100644
--- a/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
+++ b/src/main/java/org/onosproject/segmentrouting/grouphandler/DefaultGroupHandler.java
@@ -126,9 +126,9 @@
                     + " Skipping value assignment in DefaultGroupHandler");
         }
         this.flowObjectiveService = flowObjService;
-        this.nsNextObjStore = srManager.nsNextObjStore;
-        this.vlanNextObjStore = srManager.vlanNextObjStore;
-        this.portNextObjStore = srManager.portNextObjStore;
+        this.nsNextObjStore = srManager.nsNextObjStore();
+        this.vlanNextObjStore = srManager.vlanNextObjStore();
+        this.portNextObjStore = srManager.portNextObjStore();
         this.srManager = srManager;
 
         populateNeighborMaps();
diff --git a/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java b/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
index 74ddae5..72c7eac 100644
--- a/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
+++ b/src/main/java/org/onosproject/segmentrouting/pwaas/L2TunnelHandler.java
@@ -811,7 +811,7 @@
                 .addCondition(Criteria.matchVlanId(outerTag))
                 .withPriority(SegmentRoutingService.DEFAULT_PRIORITY)
                 .permit()
-                .fromApp(srManager.appId);
+                .fromApp(srManager.appId());
     }
 
     /**
@@ -844,7 +844,7 @@
         trafficTreatment.setOutput(egressPort);
 
         return DefaultForwardingObjective.builder()
-                .fromApp(srManager.appId)
+                .fromApp(srManager.appId())
                 .makePermanent()
                 .nextStep(nextId)
                 .withPriority(SegmentRoutingService.DEFAULT_PRIORITY)
@@ -872,7 +872,7 @@
         trafficSelector.matchInPort(inPort);
 
         return DefaultForwardingObjective.builder()
-                .fromApp(srManager.appId)
+                .fromApp(srManager.appId())
                 .makePermanent()
                 .nextStep(nextId)
                 .withPriority(SegmentRoutingService.DEFAULT_PRIORITY)
@@ -905,7 +905,7 @@
             nextObjBuilder = DefaultNextObjective
                     .builder()
                     .withType(NextObjective.Type.SIMPLE)
-                    .fromApp(srManager.appId);
+                    .fromApp(srManager.appId());
             // The pw label is the bottom of stack. It has to
             // be different -1.
             if (l2Tunnel.pwLabel().toInt() == MplsLabel.MAX_MPLS) {
@@ -928,7 +928,7 @@
             MplsLabel srLabel;
             try {
                  srLabel = MplsLabel.mplsLabel(
-                         srManager.deviceConfiguration.getIPv4SegmentId(egressId)
+                         srManager.deviceConfiguration().getIPv4SegmentId(egressId)
                  );
             } catch (DeviceConfigNotFoundException e) {
                 log.warn("Sr label not configured");
@@ -942,7 +942,7 @@
             MacAddress ingressMac;
             try {
                 ingressMac = srManager
-                        .deviceConfiguration
+                        .deviceConfiguration()
                         .getDeviceMac(srcCp.deviceId());
             } catch (DeviceConfigNotFoundException e) {
                 log.warn("Was not able to find the ingress mac");
@@ -952,7 +952,7 @@
             MacAddress neighborMac;
             try {
                 neighborMac = srManager
-                        .deviceConfiguration
+                        .deviceConfiguration()
                         .getDeviceMac(dstCp.deviceId());
             } catch (DeviceConfigNotFoundException e) {
                 log.warn("Was not able to find the neighbor mac");
@@ -965,7 +965,7 @@
             nextObjBuilder = DefaultNextObjective
                     .builder()
                     .withType(NextObjective.Type.SIMPLE)
-                    .fromApp(srManager.appId);
+                    .fromApp(srManager.appId());
         }
         treatmentBuilder.setOutput(srcCp.port());
         nextObjBuilder.addTreatment(treatmentBuilder.build());