From b6e97b9212f069100f1e19d632b821c4a7c50b8f Mon Sep 17 00:00:00 2001
From: Greg Hogan <code@greghogan.com>
Date: Wed, 2 Nov 2016 11:02:51 -0400
Subject: [PATCH] [FLINK-4996] [core] Make CrossHint @Public

---
 .../api/common/operators/base/CrossOperatorBase.java      | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/flink-core/src/main/java/org/apache/flink/api/common/operators/base/CrossOperatorBase.java b/flink-core/src/main/java/org/apache/flink/api/common/operators/base/CrossOperatorBase.java
index 95d5bc3049c29..72da53dc7762e 100644
--- a/flink-core/src/main/java/org/apache/flink/api/common/operators/base/CrossOperatorBase.java
+++ b/flink-core/src/main/java/org/apache/flink/api/common/operators/base/CrossOperatorBase.java
@@ -18,10 +18,8 @@
 
 package org.apache.flink.api.common.operators.base;
 
-import java.util.ArrayList;
-import java.util.List;
-
 import org.apache.flink.annotation.Internal;
+import org.apache.flink.annotation.Public;
 import org.apache.flink.api.common.ExecutionConfig;
 import org.apache.flink.api.common.functions.CrossFunction;
 import org.apache.flink.api.common.functions.RuntimeContext;
@@ -33,6 +31,9 @@
 import org.apache.flink.api.common.operators.util.UserCodeWrapper;
 import org.apache.flink.api.common.typeutils.TypeSerializer;
 
+import java.util.ArrayList;
+import java.util.List;
+
 /**
  * @see org.apache.flink.api.common.functions.CrossFunction
  */
@@ -42,6 +43,7 @@ public class CrossOperatorBase<IN1, IN2, OUT, FT extends CrossFunction<IN1, IN2,
 	/**
 	 * The cross hint tells the system which sizes to expect from the data sets
 	 */
+	@Public
 	public static enum CrossHint {
 		
 		OPTIMIZER_CHOOSES,