diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResource.java b/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResource.java
index 004964d..f4279e5 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResource.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResource.java
@@ -69,15 +69,15 @@
 
     @Override
     public List<Object> components() {
-        return id.components;
+        return id.components();
     }
 
     @Override
     public Object last() {
-        if (id.components.isEmpty()) {
+        if (id.components().isEmpty()) {
             return null;
         }
-        return id.components.get(id.components.size() - 1);
+        return id.components().get(id.components().size() - 1);
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java b/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java
index b0937bc..19a9162 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java
@@ -30,7 +30,7 @@
  */
 @Beta
 public final class ContinuousResourceId extends ResourceId {
-    final ImmutableList<Object> components;
+    private final ImmutableList<Object> components;
 
     // for printing purpose only (used in toString() implementation)
     private final String name;
@@ -45,6 +45,10 @@
         this.name = last.getSimpleName();
     }
 
+    ImmutableList<Object> components() {
+        return components;
+    }
+
     /**
      * {@inheritDoc}
      *
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResource.java b/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResource.java
index a988989..e88a2a3 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResource.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResource.java
@@ -65,15 +65,15 @@
 
     @Override
     public List<Object> components() {
-        return id.components;
+        return id.components();
     }
 
     @Override
     public Object last() {
-        if (id.components.isEmpty()) {
+        if (id.components().isEmpty()) {
             return null;
         }
-        return id.components.get(id.components.size() - 1);
+        return id.components().get(id.components().size() - 1);
     }
 
     @Override
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResourceId.java b/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResourceId.java
index 035561d..92a98b8 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResourceId.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/DiscreteResourceId.java
@@ -31,7 +31,7 @@
  */
 @Beta
 public final class DiscreteResourceId extends ResourceId {
-    final ImmutableList<Object> components;
+    private final ImmutableList<Object> components;
 
     DiscreteResourceId(ImmutableList<Object> components) {
         this.components = components;
@@ -41,6 +41,10 @@
         this.components = ImmutableList.of();
     }
 
+    ImmutableList<Object> components() {
+        return components;
+    }
+
     @Override
     public DiscreteResourceId child(Object child) {
         checkArgument(!(child instanceof Class<?>));