Polly.Contrib.DuplicateRequestCollapser | Polly policy to collapse concurrent duplicate | Caching library
kandi X-RAY | Polly.Contrib.DuplicateRequestCollapser Summary
kandi X-RAY | Polly.Contrib.DuplicateRequestCollapser Summary
A mechanism for collapsing duplicate requests which are not concurrent is otherwise known as a cache ;~). Use CachePolicy.
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Polly.Contrib.DuplicateRequestCollapser Key Features
Polly.Contrib.DuplicateRequestCollapser Examples and Code Snippets
var collapserPolicy = RequestCollapserPolicy.Create(
IKeyStrategy keyStrategy, // optional
ISyncLockProvider lockProvider) // optional; IAsyncLockProvider is also available for async calls
var result = await collapserPolicy.WrapAsync(cachePolicy)
.ExecuteAsync(context => GetExpensiveFoo(), new Context("SomeKey"));
var result = await collapserPolicy.WrapAsync(cachePolicy)
.ExecuteAsync(context => GetExpensiveFoo(), new Context("SomeKey"));
Community Discussions
Trending Discussions on Polly.Contrib.DuplicateRequestCollapser
QUESTION
I have a web api which has all the correct references to polly
One of my services has a constructor with the constructor
...ANSWER
Answered 2021-May-14 at 15:15Polly won't inherently make IReadOnlyPolicyRegistry
available to your dependency injection container, so unless you manually add it with its implementation being provided by the PolicyRegistry
concrete type, it won't be available.
However, if you use the Microsoft.Extensions.Http.Polly package in ASP.NET Core with IHttpClientFactory
then it will be added automatically by the AddPolicyRegistry()
extension method.
You will need to either add the extra package and then call that method, or manually register the dependency with your service collection, such as by doing:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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