2.19.15

Improvements

• Introduce RetryPolicy.WithWait(DelayErrorProcessor) method.
• DefaultRetryProcessor refactoring - add field representing retry policy rule.
• Add the RetryContext.IsZeroRetry property and use it to set the PolicyResult.NoError property to true.
• Slightly improved performance for the RetryPolicy custom error saver by passing the ErrorContext<RetryContext> instead of int tryCount arg in the DefaultRetryProcessor.SaveError(Async) methods.
• Deprecate ProcessingErrorContext.CurrentRetryCount property.
• Introduce the Policy.WrapPolicyCollection extension method.
• Argument exception guard clause for the PolicyCollection.WrapUp method with the ThrowOnWrappedCollectionFailed.None value for the throwOnWrappedCollectionFailed parameter.
• Argument exception guard clause for the Policy.WrapPolicyCollection method with the ThrowOnWrappedCollectionFailed.None value for the throwOnWrappedCollectionFailed parameter.
• Made the Policy class constructor protected (previously private protected).
• Introduce PolicyResultHandlerFailedException.Result property.
• Introduce PolicyResultHandlerFailedException<T> exception.

Small changes

• Made the cancellationToken parameter optional in PolicyDelegate(<T>).HandleAsync methods.
• Directly return Task instead of await when converting async uncancelable generic fallback delegate to cancelable with CancellationType.Precancelable argument.
• New tests for the PolicyCollection.WrapUp method with the ThrowOnWrappedCollectionFailed.CollectionError parameter.
• New tests for a wrapped SimplePolicy that wraps another policy.
• Move the tests for the RetryDelay classes to a separate folder.

Docs changes

• Add doc comments to the public members of the PolicyBuilding class.
• Put the nuget README in the file.
• Update 'RetryPolicy' README Chapter.
• Correct retry terminology in README.
• Correct 'Error processors' README Chapters.

Bumps and Dependency updates

• Bump NSubstitute from 5.1.0 to 5.3.0.
• Bump System.Numerics.Vectors from 4.5.0 to 4.6.0.
• Bump System.Buffers from 4.5.1 to 4.6.0.
• Bump System.Runtime.CompilerServices.Unsafe from 6.0.0 to 6.1.0.

2.19.11

Improvements

• Introduce SlopeFactor for LinearRetryDelay.
• Slightly improved performance for RetryPolicy by removing the overhead of using the int tryCount argument in the DefaultRetryProcessor.DelayIfNeedAsync(Async) methods.
• Introduce PolicyCollection.WithRetry, PolicyCollection.WithInfiniteRetry methods with RetryDelay parameter.
• Introduce PolicyDelegateCollection.WithRetry, PolicyDelegateCollection.WithInfiniteRetry methods with RetryDelay parameter.
• Introduce PolicyDelegateCollection<T>.WithRetry, PolicyDelegateCollection<T>.WithInfiniteRetry methods with RetryDelay parameter.
• Introduce RetryPolicy.SetPolicyResultFailedIf method overloads with Action<PolicyResult<T>> handler parameter for RetryPolicy, SimplePolicy and Fallback policies.

Small changes

• Move null guards before getting a fallback delegate in FallbackPolicyBase.
• Remove deprecated suppression for PolicyResultHandlingException.

Docs changes

• Add doc comments to the public members of the PolicyDelegate and PolicyDelegate<T> classes.
• Add doc comments to the public members of the PolicyDelegateResult and PolicyDelegateResult<T> classes.
• Add doc comments to the public members of the PolicyResult and PolicyResult<T> classes, and to the PolicyResultFailedReason enum.
• Update 'Calling Func and Action delegates in a resilient manner' README Chapter.
• Update 'RetryPolicy' README Chapter.

2.19.8

Improvements

• Introduce Policy error filtering extension methods in the PoliNorError.Extensions.PolicyErrorFiltering namespace.
• Fix issue #126 by using the IDelayProvider.BackoffBackoffSafely(Async) extension methods.
• Introduce Action.InvokeWithRetryDelay extension methods.
• Introduce Action.InvokeWithRetryDelayInfinite  extension methods.
• Introduce Func<CancellationToken, Task>.InvokeWithRetryDelayAsync extension methods.
• Introduce Func<CancellationToken, Task>.InvokeWithRetryDelayInfiniteAsync extension methods.
• Introduce Func<T>.InvokeWithRetryDelay extension methods.
• Introduce Func<T>.InvokeWithRetryDelayInfinite extension methods.
• Introduce Func<CancellationToken, Task<T>>.InvokeWithRetryDelayAsync extension methods.
• Introduce Func<CancellationToken, Task<T>>.InvokeWithRetryDelayInfiniteAsync extension methods.

Small changes

• Add early return in RetryProcessor.Retry(Async)(<T>) methods if token is already canceled.
• DRY Refactoring of the use of RetryDelay in DefaultRetryProcessor methods.
• Refactor catch block exception handling in DefaultRetryProcessor.Retry(Async)<T> methods.
• Add 'Try', 'Catch' tags to nuget package.

Docs changes

• Update 'RetryPolicy' README Chapter.
• Add doc comments to CatchBlockExceptionSource.
• Bump NUnit from 4.1.0 to 4.2.1.
• Bump NUnit from 4.2.1 to 4.2.2.

2.19.5

Improvements

• Introduce jittering for RetryDelay subclasses, adapted from Polly.
• Introduce RetryDelayOptions.MaxDelay property.
• Introduce Create static methods for ConstantRetryDelay, LinearRetryDelay, ExponentialRetryDelay classes.

Small changes

• Bump NUnit3TestAdapter from 4.5.0 to 4.6.0 in the nunit group.

2.19.0

Improvements

• Add the RetryDelay class and its subclasses(ConstantRetryDelay, LinearRetryDelay, ExponentialRetryDelay).
• Change RetryPolicy ctor signature to accept the RetryDelay parameter.
• Add the RetryDelay parameter to the RetryPolicy.InfiniteRetries method overloads.
• Modify RetryPolicy.Handle(Async)<T> methods to use the RetryDelay.
• Add DefaultRetryProcessor.Retry method overloads and RetryInfinite method to handle Action with RetryDelay parameter.
• Add DefaultRetryProcessor.Retry<T> method overloads and RetryInfinite<T> method to handle Func<T> with RetryDelay parameter.
• Add DefaultRetryProcessor.RetryAsync method overloads and RetryInfiniteAsync method to handle Func<CancellationToken, Task> with RetryDelay parameter.
• Add DefaultRetryProcessor.RetryAsync<T> method overloads and RetryInfiniteAsync<T> method to handle Func<CancellationToken, Task<T>> with RetryDelay parameter.
• Add internal DelayProvider class.
• Refactoring to use the DelayProvider class in the DelayErrorProcessor class.
• Introduce RetryProcessingErrorInfo class, add ProcessingErrorInfo.CurrentContext property, deprecate ProcessingErrorInfo.CurrentRetryCount property.

Small changes

• DRY refactoring and new tests for RetryPolicy.WithWait method overloads.

Docs changes

• Add doc comments to IRetryProcessor class.
• Add doc comments to RetryCountInfoOptions class and RetryCountInfo struct.
• Update 'RetryPolicy' README Chapter.
• Update 'TryCatch' README Chapter.

2.18.14

Improvements

• Introduce the NonEmptyCatchBlockFilter.ExcludeErrorSet, NonEmptyCatchBlockFilter.IncludeErrorSet methods.
• Introduce the CatchBlockHandlerFactory.FilterExceptionsByIncluding(IErrorSet), CatchBlockHandlerFactory.FilterExceptionsByExcluding(IErrorSet) methods.

Small changes

• DRY refactoring of the method that gets the IsError property of the TryCatchResult and TryCatchResult<T> classes.
• Remove redundant IErrorsAggregator<T>, IErrorsToStringAggregator interfaces, DefaultErrorsToStringAggregator class, internal ProcessingErrorContext constructor.
• Remove unnecessary value assignment (IDE0059) in tests.

Docs changes

• Add doc comments to IErrorSet interface and ErrorSet class.

2.18.11

Improvements

• For CatchBlockFilter, NonEmptyCatchBlockFilter classes. add ExcludeError, IncludeError fluent methods overloads for inner exception types.
• For NonEmptyCatchBlockFilter class, add CreateByIncluding, CreateByExcluding fluent methods overloads with possibility to add inner exception types.
• Introduce NonEmptyCatchBlockFilter.CreateByIncluding(IErrorSet), NonEmptyCatchBlockFilter.CreateByExcluding(IErrorSet) static methods.
• For FallbackFuncsProvider class, add protected SetFallbackAction, SetAsyncFallbackFunc methods with CancellationType param.
• Directly return Task instead of await when converting async uncancelable non-generic delegate to precancelable when registering PolicyResult handler with CancellationType.Precancelable argument.
• Directly return Task instead of await when converting async uncancelable non generic fallback delegate to cancelable with CancellationType.Precancelable argument.

Small changes

• Throw a NotImplementedException exception in the PolicyResult.SetErrors protected method.
• DRY refactoring for IncludeError, ExcludeError methods of CatchBlockFilter, NonEmptyCatchBlockFilter classes.

Docs changes

• Update 'FallbackPolicy' README Chapter.
• Update 'Error filters' README Chapter.
• Update 'TryCatch' README Chapter.

2.18.4

Improvements

• Introduce the FromInnerError, WithInnerError methods of the ErrorSet class.
• Introduce TryCatchResult(<T>).IsSuccess property.
• Directly return Task instead of await in asynchronous error processing scenarios with the CancellationType.Precancelable argument.
• Use Task.GetAwaiter().GetResult() instead of the Task.Wait method in sync-over-async error processing scenarios with the CancellationType.Precancelable argument.

Small changes

• Remove the obsolete ProcessingErrorContext.FromRetry method.
• Correct error set related test names for DefaultFallbackProcessorTests, DefaultRetryProcessorTests and SimplePolicyProcessorTests.
• Remove redundant ErrorWithInnerExcThrowingFuncs.FunWithInner method in tests.

Docs changes

• Add README main content.
• Update 'PolicyResult' README Chapter.

2.18.0

Improvements

• Introduce IncludeErrorSet(IErrorSet), ExcludeErrorSet(IErrorSet) methods for PolicyCollection.
• Introduce IncludeErrorSet(IErrorSet) and ExcludeErrorSet(IErrorSet) extension methods for the PolicyDelegateCollection(<T>) classes.
• Introduce the TryCatchBase class and the ITryCatch<T> interface for dependency injection scenarios.

Small changes

• Introduce ITryCatch.HasCatchBlockForAll property.
• Dispose of CancellationTokenSource objects in tests where it was absent.

Docs changes

• Add code coverage badge.
• Update 'Error filters' README Chapter.
• Update 'TryCatch' README Chapter.

2.17.0

Improvements

• Introduce IErrorSet interface and ErrorSet class.
• Introduce IncludeErrorSet(IErrorSet), ExcludeErrorSet(IErrorSet) extension methods for policy processors.
• Introduce IncludeErrorSet(IErrorSet), ExcludeErrorSet(IErrorSet) extension methods for library policies (RetryPolicy, SimplePolicy and FallbackPolicy).
• Add the ITryCatch.ExecuteAsync extension methods with the configureAwait = false parameter.

Small changes

• Introduce TryCatchResultBase.ExceptionHandlerIndex property.
• Improve conversion of PolicyResult(<T>) class to TryCatchResult(<T>) class.

Docs changes

• Add 'TryCatch' README Chapter.