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/MplsLabel.java b/core/api/src/main/java/org/onosproject/net/resource/link/MplsLabel.java
new file mode 100644
index 0000000..317a130
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/resource/link/MplsLabel.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2014-2015 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.Objects;
+
+/**
+ * Representation of MPLS label resource.
+ */
+public final class MplsLabel extends LinkResource {
+
+    private final org.onlab.packet.MplsLabel mplsLabel;
+
+
+    /**
+     * Creates a new instance with given MPLS label.
+     *
+     * @param mplsLabel MPLS Label value to be assigned
+     */
+    public MplsLabel(int mplsLabel) {
+        this.mplsLabel =  org.onlab.packet.MplsLabel.mplsLabel(mplsLabel);
+    }
+
+    /**
+     * Creates a new instance with given MPLS label.
+     *
+     * @param mplsLabel mplsLabel value to be assigned
+     * @return {@link MplsLabel} instance with given bandwidth
+     */
+    public static MplsLabel valueOf(int mplsLabel) {
+        return new MplsLabel(mplsLabel);
+    }
+
+    /**
+     * Returns MPLS Label as an MPLS Label Object.
+     *
+     * @return MPLS label as an MPLS Label Object.
+     */
+    public org.onlab.packet.MplsLabel label() {
+        return mplsLabel;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof MplsLabel) {
+            MplsLabel that = (MplsLabel) obj;
+            return Objects.equals(this.mplsLabel, that.mplsLabel);
+        }
+        return false;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(this.mplsLabel);
+    }
+
+    @Override
+    public String toString() {
+        return String.valueOf(this.mplsLabel);
+    }
+}