[ONOS-7474] Fixed P4Runtime detailed error logging on write requests

Change-Id: I055a158a42508c0c7a72aa178aa12f9710c8a63d
diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionGroupMember.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionGroupMember.java
index 9682383..1c5ecb3 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionGroupMember.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiActionGroupMember.java
@@ -26,7 +26,7 @@
  * Instance of a member of an action group in a protocol-independent pipeline.
  */
 @Beta
-public final class PiActionGroupMember {
+public final class PiActionGroupMember implements PiEntity {
 
     private final PiActionGroupMemberId id;
     private final PiAction action;
@@ -66,6 +66,11 @@
     }
 
     @Override
+    public PiEntityType piEntityType() {
+        return PiEntityType.GROUP_MEMBER;
+    }
+
+    @Override
     public boolean equals(Object o) {
         if (this == o) {
             return true;
diff --git a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntityType.java b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntityType.java
index e01e520..21c09de 100644
--- a/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntityType.java
+++ b/core/api/src/main/java/org/onosproject/net/pi/runtime/PiEntityType.java
@@ -31,5 +31,10 @@
     /**
      * Action profile group.
      */
-    GROUP
+    GROUP,
+
+    /**
+     * Action profile group member.
+     */
+    GROUP_MEMBER
 }