Remove dependency on LinkResourceService from OpticalPathProvisioner

Change-Id: I442f781052e0d541acfd1e960bb56e51265edca2

@@ -15,6 +15,7 @@
  */
 package org.onosproject.optical;
 
+import com.google.common.collect.ImmutableList;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -45,16 +46,16 @@ import org.onosproject.net.intent.IntentState;
 import org.onosproject.net.intent.OpticalCircuitIntent;
 import org.onosproject.net.intent.OpticalConnectivityIntent;
 import org.onosproject.net.intent.PointToPointIntent;
+import org.onosproject.net.newresource.ResourceAllocation;
 import org.onosproject.net.newresource.ResourceService;
 import org.onosproject.net.resource.device.IntentSetMultimap;
-import org.onosproject.net.resource.link.LinkResourceAllocations;
-import org.onosproject.net.resource.link.LinkResourceService;
 import org.onosproject.net.topology.LinkWeight;
 import org.onosproject.net.topology.PathService;
 import org.onosproject.net.topology.TopologyEdge;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedList;
@@ -101,9 +102,6 @@ public class OpticalPathProvisioner {
     protected IntentSetMultimap intentSetMultimap;
 
     @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
-    protected LinkResourceService linkResourceService;
-
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
     protected ResourceService resourceService;
 
     private ApplicationId appId;
@@ -377,17 +375,17 @@ public class OpticalPathProvisioner {
          * @param intent the intent
          */
         private void releaseResources(Intent intent) {
-            LinkResourceAllocations lra = linkResourceService.getAllocations(intent.id());
+            Collection<ResourceAllocation> allocations = resourceService.getResourceAllocations(intent.id());
             if (intent instanceof OpticalConnectivityIntent) {
                 resourceService.release(intent.id());
-                if (lra != null) {
-                    linkResourceService.releaseResources(lra);
+                if (!allocations.isEmpty()) {
+                    resourceService.release(ImmutableList.copyOf(allocations));
                 }
             } else if (intent instanceof OpticalCircuitIntent) {
                 resourceService.release(intent.id());
                 intentSetMultimap.releaseMapping(intent.id());
-                if (lra != null) {
-                    linkResourceService.releaseResources(lra);
+                if (!allocations.isEmpty()) {
+                    resourceService.release(ImmutableList.copyOf(allocations));
                 }
             }
         }