[1.x] Adds exists() method to ChannelManager #149
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joedixon
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I came across a situation in my project that needs to check if a channel exists or not.
We can utilize
find()method and check if the result is null or not; But since Reverb aims for performance, better to only check if key exists or not instead of loading object. It also gives freedom if someone wants to bind it's ownDbChannelManagerdriver instead ofarray.