ONOS-1147 - deprecation of Flow Batch public APIs

Change-Id: I69ca8741f16667c874545728d7f2d3dce0909309
diff --git a/core/api/src/main/java/org/onosproject/net/flow/FlowRuleBatchEvent.java b/core/api/src/main/java/org/onosproject/net/flow/FlowRuleBatchEvent.java
index c85cd33..2e823c2 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/FlowRuleBatchEvent.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/FlowRuleBatchEvent.java
@@ -18,8 +18,11 @@
 import org.onosproject.event.AbstractEvent;
 import org.onosproject.net.DeviceId;
 
+@Deprecated
 /**
  * Describes flow rule batch event.
+ *
+ * @deprecated in Drake release - no longer a public API
  */
 public final class FlowRuleBatchEvent extends AbstractEvent<FlowRuleBatchEvent.Type, FlowRuleBatchRequest> {