From db9ce3d32c794b0cfa78fc5b3c8d5efcd0bd4532 Mon Sep 17 00:00:00 2001
From: Maros Marsalek <mmarsale@cisco.com>
Date: Wed, 19 Oct 2016 15:01:41 +0200
Subject: HONEYCOMB-261 Dont return empty containers from read

Change-Id: I0b17b958f55a5bf83e2644dc9843fe5e631baa55
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
---
 .../fd/honeycomb/translate/util/read/registry/CompositeReader.java   | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/CompositeReader.java b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/CompositeReader.java
index 91a195f44..e392228aa 100644
--- a/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/CompositeReader.java
+++ b/infra/translate-utils/src/main/java/io/fd/honeycomb/translate/util/read/registry/CompositeReader.java
@@ -111,7 +111,10 @@ class CompositeReader<D extends DataObject, B extends Builder<D>> extends Abstra
             LOG.debug("{}: Reading child from: {}", this, child);
             if (child instanceof ListReader) {
                 final List<? extends DataObject> list = ((ListReader) child).readList(childId, ctx);
-                ((ListReader) child).merge(builder, list);
+                // Dont set empty lists
+                if (!list.isEmpty()) {
+                    ((ListReader) child).merge(builder, list);
+                }
             } else {
                 final Optional<? extends DataObject> read = child.read(childId, ctx);
                 if (read.isPresent()) {
-- 
cgit 1.2.3-korg