If IsSuccessStatusCode is true, the request was successful.Otherwise, it was not.

The example below is an ASP.NET Core Action method that triggers a call to an external service, wrapped in a retry policy. An execution-scoped instance of the Polly.Context class travels with every execution through a Polly policy. Next, we use the Polly policy registryto access a stored retry policy.

There are overloads of the Retry policy in which the onRetry delegate is passed Polly.Context.

We’ll start with the code used to execute the policy which is pretty standard code. They had already decided to... but it wasn't. We’ll start with the code used to execute the policy which is pretty standard code. Default if IKeyStrategy is not supplied.

I prefer to avoid magic strings in my code so, in this sample, we have created a static class, defining some constant keys that will be used for the objects we add to the context. Instead, I want to capture data during policy execution which my SDK can pass back as part of a result object to the caller.

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they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. We no longer need to increment our own count and can set/update the value for the “retrycount” key with less code. © 2013-2020 Reverso Technologies Inc. All rights reserved.
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We added the ILogger as an item in a new context, passed the context to the policy at the point of execution and finally, within our policy, accessed the context within the delegate action and used the ILogger contained within it.

Polly provides a number of hooks with the various policies which allow you to pass in delegate code to be executed. While a retry attempt is not a complete failure at this point since by definition we’re retrying in the hope that the downstream system has recovered, it is useful to be aware of the fact that a retry was required. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. The caller can use that information if it needs to in order to log events or record DataDog metrics. Next, we’ll take a look at the definition for the retry policy, to see how it makes use of the ILogger from the context. If context["retriesUsed"] is set, retries have been used, and that can be logged. If you are not familiar with HttpClientFactory, you can read more about the feature in my HttpClientFactory series. The policy can be pre-defined in StartUp to retrieve the information from context: And the call site can configure the ILogger onto Context prior to execution: In the above code, we used some helper methods to make the storage and retrieval of the ILogger more concise and robust: See the Polly with HttpClientFactory page. Translations in context of "Polly" in English-French from Reverso Context: pretty polly Register Login Text size Help & about العربية Deutsch English Español Français עברית Italiano 日本語 Nederlands Polski Português Română Русский Türkçe 中文 We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. You can find Steve online at his blog www.stevejgordon.co.uk and on Twitter as @stevejgordon. An optional IKeyStrategy can be supplied to control how the collapser key is obtained or generated from the Polly execution Context. I’ve been using Polly for a number of years now.

On line 8 in the preceding code, we use an extension method defined on the Polly context, which tries to retrieve an ILogger from the context using our constant key.

In a retry policy, for example, I commonly want to log a warning message when a retry occurs. After the policy has executed, the retrycount can be accessed from the original reference to context object that we attached to the request. Steve is passionate about community and all things .NET related, having worked with ASP.NET for over 15 years.

I won’t include that code here. Learn more. The example below is an ASP.NET Core Action method that triggers a call to an external service, wrapped in a retry policy.

they're used to log you in. Translations in context of "Polly" in French-English from Reverso Context: Il faut trouver Polly avant les Blossom. We’re using the HttpClientFactory feature to access a HttpClient instance in line 6. The standard way to do this is to pass it as an argument to the Execute or ExecuteAsync method when utilising the policy.

He enjoys sharing his knowledge through his blog, in videos and by presenting at user groups and conferences. function ml_webform_success_2345524(){var r=ml_jQuery||jQuery;r(".ml-subscribe-form-2345524 .row-success").show(),r(".ml-subscribe-form-2345524 .row-form").hide()}, Steve Gordon is a Microsoft MVP, Pluralsight author, senior developer and community lead based in Brighton. Context has full Dictionary semantics. Context carries two kinds of information: The context instance travelling with the execution is available: It can therefore be used to pass information into executions, get information out of executions, and exchange information among any part of a policy execution.

Results: 1739. In line 10 of the preceding code, we create our Polly c… Learn more. Please report examples to be edited or not to be displayed.

Traductions en contexte de "Polly" en anglais-français avec Reverso Context : pretty polly

This accepts a Polly Context object which it then adds it to the request properties (a Dictionary). The following four pre-defined keys are available as properties directly on Context: OperationKey was named ExecutionKey prior to v6.

I want to be able to get this information after the execution of the code that is wrapped in the policy is complete.
You can find Steve online at his blog www.stevejgordon.co.uk and on Twitter as @stevejgordon. In the preceding code, we’ve created a context and added a retrycount integer to it, initialised with a value of zero. Please report examples to be edited or not to be displayed. This is proving useful for my current scenarios as it allows general policies to be defined centrally which can then be used in multiple places. With a Context object created, we can go ahead and pass it into the policy execution. Steve is excited to be a part of the .NET community and founded .NET South East, a .NET Meetup group based in Brighton. For example: However, in my case, I am using the new HttpClientFactory feature. Esatti: 975. Più funzioni. You can always update your selection by clicking Cookie Preferences at the bottom of the page. For more information, see our Privacy Statement.

Elapsed time: 81 ms. Word index: 1-300, 301-600, 601-900, More, Expression index: 1-400, 401-800, 801-1200, More, Phrase index: 1-400, 401-800, 801-1200, More. This enables our consuming services to reference the package if they need to consume the API, avoiding repetition of the code required to interact with it. You can set data on an instance of Context. There are various ways to achieve this which I’ve covered in my HttpClientFactory series. The default when IKeyStrategy is not supplied takes Context.OperationKey as the key to identify duplicates. As you want only to log that when the execution succeeded overall, you might also need to check the HttpResponseMessage for success/failure status before logging. Allora, un'insalata di formaggio per favore, Se vi servisse qualcosa rivolgetevi pure a. The Polly Project – The project homepage is an essential resource for new feature announcements and other Polly news.

This can then be used to track the number of attempts made during an execution of a retry based policy. He works for Madgex developing and supporting their data products built using .NET Core technologies. Steve is excited to be a part of the .NET community and founded .NET South East, a .NET Meetup group based in Brighton. Next, we use the Polly policy registry to access a stored retry policy. Please come and join our new .NET User  Group in Brighton, UK. Poly lets you quickly find 3D objects and scenes for use in your apps, and it was built from the ground up with AR and VR development in mind. Tempo di risposta: 46 ms. Parole frequenti: 1-300, 301-600, 601-900, Altro, Espressioni brevi frequenti: 1-400, 401-800, 801-1200, Altro, Espressioni lunghe frequenti: 1-400, 401-800, 801-1200, Altro. Buy me a coffee.


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