43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
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using System.Runtime.CompilerServices;
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using Elsa.Expressions.Models;
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using Elsa.Extensions;
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using Elsa.Workflows;
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namespace Elsa.Scheduling.Activities;
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/// <summary>
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/// </summary>
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public abstract class TimerBase([CallerFilePath] string? source = null, [CallerLineNumber] int? line = null) : EventGenerator(source, line)
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{
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protected abstract TimeSpan GetInterval(ExpressionExecutionContext context);
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protected virtual ValueTask OnTimerElapsedAsync(ActivityExecutionContext context)
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{
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OnTimerElapsed(context);
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return default;
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}
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protected virtual void OnTimerElapsed(ActivityExecutionContext context)
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{
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}
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/// <inheritdoc />
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protected override void Execute(ActivityExecutionContext context)
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{
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var interval = GetInterval(context.ExpressionExecutionContext);
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context.RepeatWithInterval(interval, TimerElapsedAsync);
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}
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/// <inheritdoc />
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protected override object GetTriggerPayload(TriggerIndexingContext context)
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{
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var interval = GetInterval(context.ExpressionExecutionContext);
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return context.GetTimerTriggerStimulus(interval);
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}
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private async ValueTask TimerElapsedAsync(ActivityExecutionContext context)
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{
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await OnTimerElapsedAsync(context);
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await context.CompleteActivityAsync();
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}
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}
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