From: Robert Varga <robert.varga@pantheon.tech>
Date: Tue, 20 Aug 2019 11:49:28 +0000 (+0200)
Subject: Make sure readOnly field is initialized
X-Git-Tag: v4.0.0~73
X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=commitdiff_plain;h=0187f00359acd075d9f26558ac22fcedd3d79815;p=yangtools.git

Make sure readOnly field is initialized

Make sure the readOnly field is forced to be initialed to null
by making it a volatile.

Change-Id: I366835a8009fe6fe21992b374f959bfcefcde18e
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>
---

diff --git a/common/util/src/main/java/org/opendaylight/yangtools/util/ReadOnlyTrieMap.java b/common/util/src/main/java/org/opendaylight/yangtools/util/ReadOnlyTrieMap.java
index 2407ed7ad1..a993b85e0a 100644
--- a/common/util/src/main/java/org/opendaylight/yangtools/util/ReadOnlyTrieMap.java
+++ b/common/util/src/main/java/org/opendaylight/yangtools/util/ReadOnlyTrieMap.java
@@ -41,7 +41,7 @@ final class ReadOnlyTrieMap<K, V> extends ForwardingMap<K, V> {
 
     // Used via the varhandle
     @SuppressWarnings("unused")
-    private ImmutableTrieMap<K, V> readOnly;
+    private volatile ImmutableTrieMap<K, V> readOnly;
 
     ReadOnlyTrieMap(final MutableTrieMap<K, V> map, final int size) {
         this.readWrite = requireNonNull(map);