Start of interfaces for Match/Action framework

Change-Id: I1de54257b583986e6a9d93a395cb8e648235b2bf
diff --git a/src/main/java/net/onrc/onos/core/matchaction/MatchActionListener.java b/src/main/java/net/onrc/onos/core/matchaction/MatchActionListener.java
new file mode 100644
index 0000000..20ad681
--- /dev/null
+++ b/src/main/java/net/onrc/onos/core/matchaction/MatchActionListener.java
@@ -0,0 +1,26 @@
+package net.onrc.onos.core.matchaction;
+
+import java.util.EventListener;
+
+/**
+ * The listener for MatchActionEvents and MatchActionOperationsEvents.
+ * <p>
+ * Callers of the MatchActionService should implement both types of listeners to
+ * receive updates to asynchronous calls.
+ */
+public interface MatchActionListener extends EventListener {
+
+    /**
+     * Processes the MatchActionOperationsEvent.
+     *
+     * @param event the event
+     */
+    public void opertaionsUpdated(MatchActionOperationsEvent event);
+
+    /**
+     * Processes the MatchActionEvent.
+     *
+     * @param event the event
+     */
+    public void matchActionUpdated(MatchActionEvent event);
+}