View Source

Class RecurringHostedServiceBase

Inheritance
System.Object
Namespace: Umbraco.Cms.Infrastructure.HostedServices
Assembly: Umbraco.Infrastructure.dll
Syntax
public abstract class RecurringHostedServiceBase : IHostedService

Constructors

View Source

RecurringHostedServiceBase(Nullable<ILogger>, TimeSpan, TimeSpan)

Initializes a new instance of the RecurringHostedServiceBase class.

Declaration
protected RecurringHostedServiceBase(ILogger? logger, TimeSpan period, TimeSpan delay)
Parameters
Type Name Description
System.Nullable<ILogger> logger

Logger.
TimeSpan period

Timespan representing how often the task should recur.
TimeSpan delay

Timespan representing the initial delay after application start-up before the first run of the task occurs.

Fields

View Source

DefaultDelay

The default delay to use for recurring tasks for the first run after application start-up if no alternative is configured.

Declaration
protected static readonly TimeSpan DefaultDelay
Field Value
Type Description
TimeSpan

Methods

View Source

ChangePeriod(TimeSpan)

Change the period between operations.

Declaration
protected void ChangePeriod(TimeSpan newPeriod)
Parameters
Type Name Description
TimeSpan newPeriod

The new period between tasks
View Source

Dispose()

Declaration
public void Dispose()
View Source

Dispose(Boolean)

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing
View Source

ExecuteAsync(Object)

Executes the task.

Declaration
public async void ExecuteAsync(object state)
Parameters
Type Name Description
System.Object state

The task state.
View Source

GetDelay(String, ICronTabParser, ILogger, TimeSpan)

Determines the delay before the first run of a recurring task implemented as a hosted service when an optonal configuration for the first run time is available.

Declaration
protected static TimeSpan GetDelay(string firstRunTime, ICronTabParser cronTabParser, ILogger logger, TimeSpan defaultDelay)
Parameters
Type Name Description
System.String firstRunTime

The configured time to first run the task in crontab format.
ICronTabParser cronTabParser

An instance of ICronTabParser
ILogger logger

The logger.
TimeSpan defaultDelay

The default delay to use when a first run time is not configured.
Returns
Type Description
TimeSpan

The delay before first running the recurring task.
View Source

PerformExecuteAsync(Object)

Declaration
public abstract Task PerformExecuteAsync(object state)
Parameters
Type Name Description
System.Object state
Returns
Type Description
Task
View Source

StartAsync(CancellationToken)

Declaration
public Task StartAsync(CancellationToken cancellationToken)
Parameters
Type Name Description
CancellationToken cancellationToken
Returns
Type Description
Task
View Source

StopAsync(CancellationToken)

Declaration
public Task StopAsync(CancellationToken cancellationToken)
Parameters
Type Name Description
CancellationToken cancellationToken
Returns
Type Description
Task