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.NET Forum / ASP.NET / Web Services / April 2007Threading issue with COM Wrapper object
I have run into an issue with a web service I am working on that uses an object defined in a COM Wrapper. There can be only once instance of this object initialized at a time on the system, which is naturally causing problems in ASP.NET 2.0 Web Service. How does one go about managing this type of resource? Is it possible to create an instance of an object that is shared across all the threads created by multiple users hitting a web service? How does one handle the process of initializing/disposing of such an object? I'm a bit new to Web Services, so I really would appreciate any help available. -Brian >I have run into an issue with a web service I am working on that uses > an object defined in a COM Wrapper. There can be only once instance [quoted text clipped - 6 lines] > I'm a bit new to Web Services, so I really would appreciate any help > available. I wouldn't host the wrapper in ASP.NET, for reasons you've already seen. Instead, host it inside of a Windows Service, and use .NET remoting between the Web Service and the Windows Service. John Can't the wrapper be hosted in ASP.NET by using the Singleton pattern for implementation and keeping the object in the Application or Cache object depending on the requirements? > Can't the wrapper be hosted in ASP.NET by using the Singleton pattern > for implementation and keeping the object in the Application or Cache > object depending on the requirements? That's an interesting idea, Latish. I had the singleton pattern set up, but was unsure how to proceed. I hadn't heard of the Application or Cache until now, so I will be doing some research on it. Does anyone else know if this is an effective option? Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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