mike-tutkowski commented on issue #2298: CLOUDSTACK-9620: Enhancements for 
managed storage
URL: https://github.com/apache/cloudstack/pull/2298#issuecomment-355684146
 
 
   I've added the following comment to the canHandle method:
   
       // canHandle returns true if the storage driver for the DataObject 
that's passed in can support certain features (what features we
       // care about during a particular invocation of this method depend on 
what type of DataObject was passed in (ex. VolumeInfo versus SnapshotInfo).
   
   Perhaps the method name is misleading. It might be interpreted to mean we 
can't do anything with this object if canHandle returns false. In reality, if 
canHandle returns true, we know you support certain features and we handle you 
a particular way. If it returns false, we might throw an exception or we might 
be able to handle you another way.

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