keith-turner commented on a change in pull request #361: ACCUMULO-4784 - Create 
builder for Connector
URL: https://github.com/apache/accumulo/pull/361#discussion_r166725291
 
 

 ##########
 File path: 
core/src/main/java/org/apache/accumulo/core/client/BatchWriterConfig.java
 ##########
 @@ -309,6 +311,26 @@ public boolean equals(Object o) {
     return false;
   }
 
+  private static <T> T merge(T o1, T o2) {
+    if (o1 != null)
+      return o1;
+    return o2;
+  }
+
+  public BatchWriterConfig merge(BatchWriterConfig other) {
 
 Review comment:
   This needs javadoc describing what it does and what it returns.  Also needs 
a since tag.

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