[ONOS-4718] Add skeleton code for de-serializing LISP ctrl messages

Change-Id: I52f7905538e5832e5282812df869b8158ce23334
diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java
index 9b5e3b2..0984324 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java
@@ -15,6 +15,8 @@
  */
 package org.onosproject.lisp.msg.protocols;
 
+import io.netty.buffer.ByteBuf;
+import org.onosproject.lisp.msg.exceptions.LispParseError;
 import org.onosproject.lisp.msg.types.LispAfiAddress;
 
 /**
@@ -53,4 +55,15 @@
     public LispAfiAddress getPrefix() {
         return prefix;
     }
+
+    /**
+     * A private LISP message reader for EidRecord portion.
+     */
+    private static class EidRecordReader implements LispMessageReader<LispEidRecord> {
+
+        @Override
+        public LispEidRecord readFrom(ByteBuf byteBuf) throws LispParseError {
+            return null;
+        }
+    }
 }