I have actually come across the same thing and have been wondering why it is throwing a generic exception. Even if it is executing user code, it could still wrap it with something like CuratorException.
If anyone here has some more insight on the reason for throwing Exception, I'd love to hear. Thanks, -Flavio > On 21 Nov 2016, at 13:21, Vadim <[email protected]> wrote: > > Imesha, > > I can't comment particularly this piece of code. The initial question > was too general and I thought about QueueConsumer, for example, or other type > of listener that is implemented by customer and executes customer code. > > It might be some type of dependency for that function that could depend > from customer code. If you want to go deeper - you can analyze source and > check if there are such. May be there is no reason for that also. :) > > > Vadim. > > On 2016-11-21 12:32, Imesha Sudasingha wrote: > >> Hello Vadim, >> >> I didn't get your point. What I mean is, suppose we are going to create an >> ZNode. Consider the following example, >> >> curatorFrameworkInstance.create().forPath("/ZNode/path"); >> >> In the above code, we have to surround with a try/catch since it is expected >> to throw an exception of type Exception. According to your explanation, how >> can this be a code written by me? What I am doing above is just executing >> the methods provided. Can you elaborate on that? >> >> -Imesha >> >> >> >> On 21 November 2016 at 13:45, Vadim <[email protected] <mailto:[email protected]>> >> wrote: >> Hello Imesha, >> >> As user of curator, I guess this is because Curator suppose to >> execute external code (like yours) and it does not know what type of the >> exception it will throw in advance. If you define specific exception -- your >> code will be dependent on that and thus "hard dependency" arise. It breaks >> DIP principle from SOLID >> (https://en.wikipedia.org/wiki/SOLID_(object-oriented_design)) >> <https://en.wikipedia.org/wiki/SOLID_(object-oriented_design))> that is not >> good. >> >> Vadim. >> >> >> >> On 2016-11-21 09:12, Imesha Sudasingha wrote: >> >> Hi all, >> >> I was curious on why most of the methods in CuratorFramework throw >> exceptions of the type Exception which is the base class? In Zookeeper, they >> have specific set of custom exceptions like ZooKeeperException and so on. Do >> you have a specific reason for that? >> >> Thanks in advance! >> >> -Imesha >> >> -- >> Imesha Sudasingha >> Undergraduate of Department of Computer Science and Engineering, >> University of Moratuwa. >> >> >> >> -- >> Imesha Sudasingha >> Undergraduate of Department of Computer Science and Engineering, >> University of Moratuwa.
