Move hasEnoughResource() to ContinuousResourceAllocation

Change-Id: I3104d115a57876a75c699f4f1a46aa7bdf66d484

@@ -39,7 +39,7 @@ import java.util.stream.Stream;
 import static org.onosproject.store.resource.impl.ConsistentResourceStore.MAX_RETRIES;
 import static org.onosproject.store.resource.impl.ConsistentResourceStore.RETRY_DELAY;
 import static org.onosproject.store.resource.impl.ConsistentResourceStore.SERIALIZER;
-import static org.onosproject.store.resource.impl.ResourceStoreUtil.hasEnoughResource;
+import static org.onosproject.store.resource.impl.ContinuousResourceAllocation.hasEnoughResource;
 
 class ConsistentContinuousResourceStore {
     private ConsistentMap<ContinuousResourceId, ContinuousResourceAllocation> consumers;

@@ -36,6 +36,32 @@ final class ContinuousResourceAllocation {
         this.allocations = allocations;
     }
 
+    /**
+     * Checks if there is enough resource volume to allocated the requested resource
+     * against the specified resource.
+     *
+     * @param original   original resource
+     * @param request    requested resource
+     * @param allocation current allocation of the resource
+     * @return true if there is enough resource volume. Otherwise, false.
+     */
+    // computational complexity: O(n) where n is the number of allocations
+    static boolean hasEnoughResource(ContinuousResource original,
+                                     ContinuousResource request,
+                                     ContinuousResourceAllocation allocation) {
+        if (allocation == null) {
+            return request.value() <= original.value();
+        }
+
+        double allocated = allocation.allocations().stream()
+                .filter(x -> x.resource() instanceof ContinuousResource)
+                .map(x -> (ContinuousResource) x.resource())
+                .mapToDouble(ContinuousResource::value)
+                .sum();
+        double left = original.value() - allocated;
+        return request.value() <= left;
+    }
+
     ContinuousResource original() {
         return original;
     }

-/*
- * Copyright 2016-present Open Networking Laboratory
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.onosproject.store.resource.impl;
-
-import org.onosproject.net.resource.ContinuousResource;
-
-final class ResourceStoreUtil {
-    // prohibit construction
-    private ResourceStoreUtil() {}
-
-    /**
-     * Checks if there is enough resource volume to allocated the requested resource
-     * against the specified resource.
-     *
-     * @param original   original resource
-     * @param request    requested resource
-     * @param allocation current allocation of the resource
-     * @return true if there is enough resource volume. Otherwise, false.
-     */
-    // computational complexity: O(n) where n is the number of allocations
-    static boolean hasEnoughResource(ContinuousResource original,
-                                     ContinuousResource request,
-                                     ContinuousResourceAllocation allocation) {
-        if (allocation == null) {
-            return request.value() <= original.value();
-        }
-
-        double allocated = allocation.allocations().stream()
-                .filter(x -> x.resource() instanceof ContinuousResource)
-                .map(x -> (ContinuousResource) x.resource())
-                .mapToDouble(ContinuousResource::value)
-                .sum();
-        double left = original.value() - allocated;
-        return request.value() <= left;
-    }
-}

@@ -35,7 +35,7 @@ import java.util.stream.Collectors;
 
 import static com.google.common.base.Preconditions.checkArgument;
 import static org.onosproject.store.resource.impl.ConsistentResourceStore.SERIALIZER;
-import static org.onosproject.store.resource.impl.ResourceStoreUtil.hasEnoughResource;
+import static org.onosproject.store.resource.impl.ContinuousResourceAllocation.hasEnoughResource;
 
 class TransactionalContinuousResourceStore {
     private final Logger log = LoggerFactory.getLogger(getClass());