Created
October 10, 2014 09:30
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Transient error detection strategy for RavenDB using Microsoft.Practices.TransientFaultHandling application block
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| using Microsoft.Practices.TransientFaultHandling; | |
| public class RavenDBTransientErrorDetectionStrategy : ITransientErrorDetectionStrategy | |
| { | |
| public bool IsTransient(Exception ex) | |
| { | |
| dynamic currentException = ex; | |
| while(currentException != null) | |
| { | |
| if (this.IsExceptionTransient(currentException)) | |
| return true; | |
| currentException = currentException.InnerException; | |
| } | |
| return false; | |
| } | |
| private bool IsExceptionTransient(Exception ex) | |
| { | |
| return false; | |
| } | |
| private bool IsExceptionTransient(TimeoutException ex) | |
| { | |
| return true; | |
| } | |
| private bool IsExceptionTransient(WebException ex) | |
| { | |
| var transientStatuses = new HashSet<WebExceptionStatus>(new [] | |
| { | |
| WebExceptionStatus.ConnectFailure, | |
| WebExceptionStatus.ConnectionClosed, | |
| WebExceptionStatus.KeepAliveFailure, | |
| WebExceptionStatus.Pending, | |
| WebExceptionStatus.PipelineFailure, | |
| WebExceptionStatus.ProtocolError, | |
| WebExceptionStatus.ReceiveFailure, | |
| WebExceptionStatus.RequestCanceled, | |
| WebExceptionStatus.SecureChannelFailure, | |
| WebExceptionStatus.SendFailure, | |
| WebExceptionStatus.Timeout | |
| }); | |
| return transientStatuses.Contains(ex.Status); | |
| } | |
| } |
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What's been your impl strategy? Wrap every call to session.SaveChanges() or subclass DocumentSession and internally wrap the call or something completely different?