Hangfire 1.8.0-beta1

https://www.hangfire.io/blog/

1.8.0-beta1

Hangfire.Core

• Added – Display deleted jobs in the Realtime and History graphs when supported by storage. • Added – DeletedState now have the persisted Exception property. • Added – JobContinuationOptions.OnlyOnDeletedState to create continuations after a failure. • Added – Exception job parameter is passed to continuation when UseResultsInContinuations method is used. • Added – FromExceptionAttribute to deal with an antecedent exception in a background job continuation. • Added – Passing job parameters in job creation phase (by @brian-knoll-micronetonline). • Added – Allow to filter exception types in AutomaticRetryAttribute by using the new OnlyOn property. • Added – IBackgroundProcess.UseBackgroundPool now allows to pass thread configuration logic. • Added – IGlobalConfiguration.UseJobDetailsRenderer method for custom renderers. • Added – BackgroundJobServerOptions.WorkerThreadConfigurationAction option • Added – Allow to pass custom data to ApplyStateContext and ElectStateContext instances. • Added – Preserve custom data dictionary between the entire filter chain. • Added – Fetch "Retries" metric with other statistics when supported by storage • Added – IGlobalConfiguration.UseDashboardMetrics extension method to pass multiple metrics at once. • Added – State renderer for the DeletedState to display its new exception property. • Added – Virtual JobStorage.GetReadOnlyConnection method intended to return JobStorageConnection for replicas. • Added – Virtual JobStorage.HasFeature method for querying optional features. • Added – Optional GetSetCount and GetUtcDateTime methods for the JobStorageConnection class. • Added – Optional AcquireDistributedLock and RemoveFromQueue methods for the JobStorageTransaction class. • Added – Support for transactional acknowledge using new storage method for better handling some data loss scenarios. • Added – Factory, StateMachine and Performer properties to context classes to avoid injecting services. • Added – Allow to pass transaction to background job state changer when new methods implemented. • Added – Optional ParametersSnapshot property for BackgroundJob and JobData classes to minimize roundtrips in future. • Changed – Use the AttemptsExceededAction.Delete option by default in the global automatic retry filter. • Changed – Move job to the DeletedState instead of SucceededState when its invocation was canceled by a filter. • Changed – FromParameterAttribute-based logic now always overwrites arguments, even with non-null values. • Changed – Improved display of real-time chart with more accents on failed and deleted jobs. • Changed – Ignore some members when serializing a JobFilterAttribute instance to decrease size • Changed – ServerHeartbeatProcess now uses ThreadPriority.AboveNormal to prioritize heartbeats.

Hangfire.SqlServer

• Added – Recommended Schema 8 migration with fixed JobQueue.Id column to use bigint type. • Added – SqlServerStorageOptions.PreferMicrosoftDataSqlClient option to use the corresponding package. • Added – SqlServerStorage.SchemaVersion metric for Dashboard UI. • Added – Implement optional experimental transactional acknowledge for SQL Server (UseTransactionalAcknowledge option). • Changed – Sliding invisibility timeout-based fetching method is now used by default with 5 minute timeout. • Fixed – Ensure connection is released when exception is thrown when during lock release.

Hangfire.NetCore and Hangfire.AspNetCore

• Added – IApplicationBuilder.UseHangfireServer that accepts custom factory for IBackgroundProcessingServer.