RetryStateWaitAndRetryForever<TResult>
using Polly.Utilities;
using System;
using System.Threading;
using System.Threading.Tasks;
namespace Polly.Retry
{
internal class RetryStateWaitAndRetryForever<TResult> : IRetryPolicyState<TResult>
{
private int _errorCount;
private readonly Func<int, DelegateResult<TResult>, Context, TimeSpan> _sleepDurationProvider;
private readonly Action<DelegateResult<TResult>, TimeSpan, Context> _onRetry;
private readonly Context _context;
private readonly Func<DelegateResult<TResult>, TimeSpan, Context, Task> _onRetryAsync;
public RetryStateWaitAndRetryForever(Func<int, DelegateResult<TResult>, Context, TimeSpan> sleepDurationProvider, Action<DelegateResult<TResult>, TimeSpan, Context> onRetry, Context context)
{
_sleepDurationProvider = sleepDurationProvider;
_onRetry = onRetry;
_context = context;
}
public bool CanRetry(DelegateResult<TResult> delegateResult, CancellationToken cancellationToken)
{
if (_errorCount < 2147483647)
_errorCount++;
TimeSpan timeSpan = _sleepDurationProvider(_errorCount, delegateResult, _context);
_onRetry(delegateResult, timeSpan, _context);
SystemClock.Sleep(timeSpan, cancellationToken);
return true;
}
public RetryStateWaitAndRetryForever(Func<int, DelegateResult<TResult>, Context, TimeSpan> sleepDurationProvider, Func<DelegateResult<TResult>, TimeSpan, Context, Task> onRetryAsync, Context context)
{
_sleepDurationProvider = sleepDurationProvider;
_onRetryAsync = onRetryAsync;
_context = context;
}
public async Task<bool> CanRetryAsync(DelegateResult<TResult> delegateResult, CancellationToken cancellationToken, bool continueOnCapturedContext)
{
if (this._errorCount < 2147483647)
this._errorCount++;
TimeSpan waitTimeSpan = this._sleepDurationProvider(this._errorCount, delegateResult, this._context);
await this._onRetryAsync(delegateResult, waitTimeSpan, this._context).ConfigureAwait(continueOnCapturedContext);
await SystemClock.SleepAsync(waitTimeSpan, cancellationToken).ConfigureAwait(continueOnCapturedContext);
return true;
}
}
}