ONOS-631 #Initial MPLS intent implementation

Change-Id: I6f906b953f06f395cc67e612648802e333c0e581
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
index 3838cdf..09ec536 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instructions.java
@@ -35,6 +35,7 @@
 import org.onlab.packet.Ethernet;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
+import org.onlab.packet.MplsLabel;
 import org.onlab.packet.VlanId;
 
 /**
@@ -132,7 +133,7 @@
      * @param mplsLabel to set.
      * @return a L2 Modification
      */
-    public static L2ModificationInstruction modMplsLabel(Integer mplsLabel) {
+    public static L2ModificationInstruction modMplsLabel(MplsLabel mplsLabel) {
         checkNotNull(mplsLabel, "MPLS label cannot be null");
         return new ModMplsLabelInstruction(mplsLabel);
     }