commit 69dc584a4ab27c0a48978b72aec5034f7d7c4f76
author Sho SHIMIZU <sshimizu@us.fujitsu.com> Fri Nov 20 16:31:12 2015 -0800
committer Sho SHIMIZU <sshimizu@us.fujitsu.com> Fri Nov 20 16:31:12 2015 -0800
tree b6162fe5d90d8424db2fff0542a110407c00b3d2
parent 76430855e78c8cb28f203b5aa6a28f6710506a4a

Fix the issue of ONOS-3423

Change-Id: I60c3105149f6ef46e2effb7de6d8f40152027ec7

core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java

diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java
index 0a4d385..d87682a 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourcePath.java
@@ -121,10 +121,10 @@
     public List<Object> components() {
         LinkedList<Object> components = new LinkedList<>();
 
-        Optional<Discrete> parentPath = Optional.ofNullable(parent);
-        while (parentPath.isPresent()) {
-            components.addFirst(last);
-            parentPath = parent.parent();
+        ResourcePath current = this;
+        while (current.parent().isPresent()) {
+            components.addFirst(current.last);
+            current = current.parent;
         }
 
         return components;

core/api/src/test/java/org/onosproject/net/newresource/ResourcePathTest.java

diff --git a/core/api/src/test/java/org/onosproject/net/newresource/ResourcePathTest.java b/core/api/src/test/java/org/onosproject/net/newresource/ResourcePathTest.java
index 8e44536..35dcf1e 100644
--- a/core/api/src/test/java/org/onosproject/net/newresource/ResourcePathTest.java
+++ b/core/api/src/test/java/org/onosproject/net/newresource/ResourcePathTest.java
@@ -26,6 +26,7 @@
 
 import java.util.Optional;
 
+import static org.hamcrest.Matchers.contains;
 import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertThat;
 
@@ -63,6 +64,13 @@
     }
 
     @Test
+    public void testComponents() {
+        ResourcePath port = ResourcePath.discrete(D1, P1);
+
+        assertThat(port.components(), contains(D1, P1));
+    }
+
+    @Test
     public void testThereIsParent() {
         ResourcePath path = ResourcePath.discrete(LinkKey.linkKey(CP1_1, CP2_1), VLAN1);
         ResourcePath parent = ResourcePath.discrete(LinkKey.linkKey(CP1_1, CP2_1));