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Merge pull request #167 from markfisher/INT-2221

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fixed atomicity
This commit is contained in:
Mark Fisher
2011-11-03 15:16:14 -04:00
parent 73a63f7066 50cc500429
commit 9ddd7a8ec7
1 changed files with 6 additions and 3 deletions
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9
spring-integration-core/src/main/java/org/springframework/integration/store/SimpleMessageStore.java
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@@ -169,10 +169,13 @@ public class SimpleMessageStore extends AbstractMessageGroupStore implements Mes
}
private SimpleMessageGroup getMessageGroupInternal(Object groupId) {
if (!groupIdToMessageGroup.containsKey(groupId)) {
groupIdToMessageGroup.putIfAbsent(groupId, new SimpleMessageGroup(groupId));
SimpleMessageGroup group = this.groupIdToMessageGroup.get(groupId);
if (group == null) {
SimpleMessageGroup newGroup = new SimpleMessageGroup(groupId);
SimpleMessageGroup previousGroup = this.groupIdToMessageGroup.putIfAbsent(groupId, newGroup);
group = (previousGroup == null) ? newGroup : previousGroup;
}
return groupIdToMessageGroup.get(groupId);
return group;
}
}