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Posted to commits@brooklyn.apache.org by he...@apache.org on 2016/04/01 16:22:22 UTC
[4/4] brooklyn-server git commit: small tweak to optimise
subscription tracker access
small tweak to optimise subscription tracker access
Project: http://git-wip-us.apache.org/repos/asf/brooklyn-server/repo
Commit: http://git-wip-us.apache.org/repos/asf/brooklyn-server/commit/9720743a
Tree: http://git-wip-us.apache.org/repos/asf/brooklyn-server/tree/9720743a
Diff: http://git-wip-us.apache.org/repos/asf/brooklyn-server/diff/9720743a
Branch: refs/heads/master
Commit: 9720743a23b816914e66fb37ed4d783837ecca36
Parents: 6e3945a
Author: Alex Heneveld <al...@cloudsoftcorp.com>
Authored: Fri Apr 1 15:21:30 2016 +0100
Committer: Alex Heneveld <al...@cloudsoftcorp.com>
Committed: Fri Apr 1 15:21:30 2016 +0100
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.../java/org/apache/brooklyn/core/entity/AbstractEntity.java | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/brooklyn-server/blob/9720743a/core/src/main/java/org/apache/brooklyn/core/entity/AbstractEntity.java
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diff --git a/core/src/main/java/org/apache/brooklyn/core/entity/AbstractEntity.java b/core/src/main/java/org/apache/brooklyn/core/entity/AbstractEntity.java
index 58767e4..738ce86 100644
--- a/core/src/main/java/org/apache/brooklyn/core/entity/AbstractEntity.java
+++ b/core/src/main/java/org/apache/brooklyn/core/entity/AbstractEntity.java
@@ -264,7 +264,7 @@ public abstract class AbstractEntity extends AbstractBrooklynObject implements E
@Deprecated
protected final Map<String,Object> tempWorkings = Maps.newLinkedHashMap();
- protected transient SubscriptionTracker _subscriptionTracker;
+ protected transient volatile SubscriptionTracker _subscriptionTracker;
public AbstractEntity() {
this(Maps.newLinkedHashMap(), null);
@@ -1492,6 +1492,9 @@ public abstract class AbstractEntity extends AbstractBrooklynObject implements E
}
protected SubscriptionTracker getSubscriptionTracker() {
+ if (_subscriptionTracker != null) {
+ return _subscriptionTracker;
+ }
// TODO Would be nice to simplify concurrent model, and not synchronize on
// AbstractEntity.this; perhaps could get rid of lazy-initialisation, but then
// would need to first ensure `managementSupport` is definitely initialised.