diff --git a/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceRequest.java b/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceRequest.java
index 38f90c1..b33e203 100644
--- a/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceRequest.java
+++ b/core/api/src/main/java/org/onlab/onos/net/resource/DefaultLinkResourceRequest.java
@@ -34,6 +34,12 @@
         this.resources = ImmutableSet.copyOf(resources);
     }
 
+
+    @Override
+    public ResourceType type() {
+        return null;
+    }
+
     @Override
     public IntentId intendId() {
         return intentId;