WSTrustChannelFactory as a singleton. Is it the best practice?

StackOverflow https://stackoverflow.com/questions/16464748

  •  21-04-2022
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Question

I'm working with an application that uses WSTrustChannelFactory to create trust channels, I noticed that the code is creating a new WSTrustChannelFactory everytime a new channel is needed.

I've never worked with this before but since this is a factory I suppose it can be implemented as a singleton.

Am I right? If so, is there any additional consideration to take (will the factory always be "usable" or there are any scenarios/exceptions where it should be replaced with a new instance)?. Also, is the factory creation an expensive operation, such as a WCF ChannelFactory creation?

Was it helpful?

Solution

Am I right?

Yes, I think you are. I've worked on several projects where we used a channel factory and each time it was a singleton. It certainly has its limits and can become a bottleneck under a very high load, but for a lot implementations I think you are fine.

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