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https://issues.apache.org/jira/browse/MUSE-153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dan Jemiolo closed MUSE-153.
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Resolution: Fixed
> Child topics in topic set documents are being parsed as root topics by
> notification producer
> --------------------------------------------------------------------------------------------
>
> Key: MUSE-153
> URL: https://issues.apache.org/jira/browse/MUSE-153
> Project: Muse
> Issue Type: Bug
> Components: WSN Topics
> Affects Versions: 2.0.0
> Environment: any
> Reporter: Mohammad Fakhar
> Assigned To: Dan Jemiolo
> Fix For: 2.2.0
>
>
> The addTopic routines in SimpleNotificationProducer, which parse topic set
> documents to TopicNameSpace objects, are treating child topics in the topic
> set document as root topics.
> Lets say I have this topic set doucment (root and children belong to same
> namespace):
> <root1>
> <child1/>
> <child2/>
> </root1>
> Here is the sequence of events which leads to the erroneous behavior:
> 1) createTopicSetDocument in SimpleNotificationProducer calls addTopics on
> all root topics in document.
> 2) addTopics calls addTopic to add root1, and then recursively calls itself
> for all children of root.
> 3) Now, when addTopic is called with child1, the following code is executed
> (in the addTopic method):
> Topic topic = new SimpleTopic(localName, topicSpace);
> topicSpace.addTopic(topic);
> This causes the child1 to be added as a root topic as this code is executed
> in SimpleTopicSpace.addTopic: "_rootTopics.put(name, topic);"
> where the name is child1. Same applies to child2.
> The problem was exposed when I tried to evaluate a concrete topic expression
> against this topic set document; it was treating child1 and child2 as root
> topics in the namespace, instead of child topics of root1.
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