Have at look at Curator’s PathChildrenCache. It does this. 

-Jordan

From: Kah-Chan Low Kah-Chan Low
Reply: [email protected] [email protected], Kah-Chan Low 
[email protected]
Date: January 16, 2014 at 7:44:54 AM
To: [email protected] [email protected]
Subject:  How to monitor changes in children's data  
I am a novice.  
I have a Znode and I want to get notified whenever anyone of the Znode's 
children has a change of data.  
What kind of watch should I place on the Znode?  

Thanks!  

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