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Posted to commits@slider.apache.org by bi...@apache.org on 2017/09/06 14:40:58 UTC
incubator-slider git commit: SLIDER-1242 Review uses of
double-checked locking, part 2
Repository: incubator-slider
Updated Branches:
refs/heads/develop 62ef3cdf9 -> b545aaef0
SLIDER-1242 Review uses of double-checked locking, part 2
Project: http://git-wip-us.apache.org/repos/asf/incubator-slider/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-slider/commit/b545aaef
Tree: http://git-wip-us.apache.org/repos/asf/incubator-slider/tree/b545aaef
Diff: http://git-wip-us.apache.org/repos/asf/incubator-slider/diff/b545aaef
Branch: refs/heads/develop
Commit: b545aaef02de5527dc6d6e0481b789fe4b805208
Parents: 62ef3cd
Author: Billie Rinaldi <bi...@apache.org>
Authored: Wed Sep 6 07:40:05 2017 -0700
Committer: Billie Rinaldi <bi...@apache.org>
Committed: Wed Sep 6 07:40:05 2017 -0700
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.../org/apache/slider/providers/agent/ComponentTagProvider.java | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/incubator-slider/blob/b545aaef/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentTagProvider.java
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diff --git a/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentTagProvider.java b/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentTagProvider.java
index 68f63fa..e3f6f4d 100644
--- a/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentTagProvider.java
+++ b/slider-core/src/main/java/org/apache/slider/providers/agent/ComponentTagProvider.java
@@ -115,7 +115,7 @@ public class ComponentTagProvider {
}
private ConcurrentHashMap<String, String> getComponentSpecificTags(String component) {
- if (!allTags.containsKey(component)) {
+ if (allTags.get(component) == null) {
synchronized (allTags) {
if (!allTags.containsKey(component)) {
allTags.put(component, new ConcurrentHashMap<String, String>());