Moving LabelResourceManager to incubator

Breaking apart resource package into {device, link, label}
Refactored cluster serializers so they are visible

Change-Id: I71051bcd5e790ae6abeb154bf58286e584c32858
diff --git a/core/api/src/main/java/org/onosproject/net/resource/link/LinkResources.java b/core/api/src/main/java/org/onosproject/net/resource/link/LinkResources.java
new file mode 100644
index 0000000..dc00522
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/LinkResources.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2014 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.net.resource.link;
+
+import java.util.Set;
+
+/**
+ * Abstraction of a resources of a link.
+ */
+public interface LinkResources {
+
+    /**
+     * Returns resources as a set of {@link LinkResource}s.
+     *
+     * @return a set of {@link LinkResource}s
+     */
+    Set<LinkResource> resources();
+
+    /**
+     * Builder of {@link LinkResources}.
+     */
+    interface Builder {
+
+        /**
+         * Adds bandwidth resource.
+         * <p>
+         * This operation adds given bandwidth to previous bandwidth and
+         * generates single bandwidth resource.
+         *
+         * @param bandwidth bandwidth value to be added
+         * @return self
+         */
+        Builder addBandwidth(double bandwidth);
+
+        /**
+         * Adds lambda resource.
+         *
+         * @param lambda lambda value to be added
+         * @return self
+         */
+        Builder addLambda(int lambda);
+
+        /**
+         * Builds an immutable link resources.
+         *
+         * @return link resources
+         */
+        LinkResources build();
+    }
+}