< Summary

Information

Class:	Elsa.Workflows.Runtime.ActivationValidators.SingletonStrategy
Assembly:	Elsa.Workflows.Runtime
File(s):	/home/runner/work/elsa-core/elsa-core/src/modules/Elsa.Workflows.Runtime/ActivationValidators/SingletonStrategy.cs

Line coverage

100%

Branch coverage

N/A

Method coverage

Feature is only available for sponsors

Metrics

Method	Branch coverage	Crap Score	Cyclomatic complexity	Line coverage
.ctor(...)	100%	1	1	100%
GetAllowActivationAsync()	100%	1	1	100%

#	Line	Line coverage
	`1`	`using System.ComponentModel.DataAnnotations;`
	`2`	`using Elsa.Workflows.Management;`
	`3`	`using Elsa.Workflows.Management.Filters;`
	`4`
	`5`	`namespace Elsa.Workflows.Runtime.ActivationValidators;`
	`6`
	`7`	`/// <summary>`
	`8`	`/// Only allow new workflow instances if a running one of the same workflow definition doesn't already exist.`
	`9`	`/// </summary>`
	`10`	`[Display(Name = "Singleton", Description = "Only allow new workflow instances if a running one of the same workflow defi`
742	`11`	`public class SingletonStrategy(IWorkflowInstanceStore workflowInstanceStore) : IWorkflowActivationStrategy`
	`12`	`{`
	`13`	`/// <summary>`
	`14`	`/// Only allow a new instance if no running ones exist already.`
	`15`	`/// </summary>`
	`16`	`public async ValueTask<bool> GetAllowActivationAsync(WorkflowInstantiationStrategyContext context)`
	`17`	`{`
2	`18`	`var filter = new WorkflowInstanceFilter`
2	`19`	`{`
2	`20`	`DefinitionId = context.Workflow.Identity.DefinitionId,`
2	`21`	`WorkflowStatus = WorkflowStatus.Running`
2	`22`	`};`
	`23`
2	`24`	`var count = await workflowInstanceStore.CountAsync(filter);`
2	`25`	`return count == 0;`
2	`26`	`}`
	`27`	`}`