FeatureGateAttribute Class

Reference

Definition

Namespace:: Microsoft.FeatureManagement.Mvc

Assembly:: Microsoft.FeatureManagement.AspNetCore.dll

Package:: Microsoft.FeatureManagement.AspNetCore v2.5.1

Package:: Microsoft.FeatureManagement.AspNetCore v3.0.0-preview

Important

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An attribute that can be placed on MVC controllers, controller actions, or Razor pages to require all or any of a set of feature flags to be enabled.

[System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Method, AllowMultiple=true)]
public class FeatureGateAttribute : Microsoft.AspNetCore.Mvc.Filters.ActionFilterAttribute, Microsoft.AspNetCore.Mvc.Filters.IAsyncPageFilter

[<System.AttributeUsage(System.AttributeTargets.Class | System.AttributeTargets.Method, AllowMultiple=true)>]
type FeatureGateAttribute = class
    inherit ActionFilterAttribute
    interface IAsyncPageFilter
    interface IFilterMetadata

Public Class FeatureGateAttribute
Inherits ActionFilterAttribute
Implements IAsyncPageFilter

Inheritance: ActionFilterAttribute
FeatureGateAttribute

Attributes: AttributeUsageAttribute

Implements: IAsyncPageFilter IFilterMetadata

Constructors

FeatureGateAttribute(Object[])	Creates an attribute that will gate actions or pages unless all the provided feature flag(s) are enabled.
FeatureGateAttribute(RequirementType, Object[])	Creates an attribute that can be used to gate actions or pages. The gate can be configured to require all or any of the provided feature flag(s) to pass.
FeatureGateAttribute(RequirementType, String[])	Creates an attribute that can be used to gate actions or pages. The gate can be configured to require all or any of the provided feature flag(s) to pass.
FeatureGateAttribute(String[])	Creates an attribute that will gate actions or pages unless all the provided feature flag(s) are enabled.

Properties

FeatureFlags	The name of the feature flags that the feature gate attribute will activate for.
Features	The name of the features that the feature attribute will activate for.
RequirementType	Controls whether any or all feature flags in FeatureFlags should be enabled to pass.

Methods

OnActionExecutionAsync(ActionExecutingContext, ActionExecutionDelegate)	Performs controller action pre-procesing to ensure that at least one of the specified feature flags are enabled.
OnPageHandlerExecutionAsync(PageHandlerExecutingContext, PageHandlerExecutionDelegate)	Called asynchronously before the handler method is invoked, after model binding is complete.
OnPageHandlerSelectionAsync(PageHandlerSelectedContext)	Called asynchronously after the handler method has been selected, but before model binding occurs.

Applies to

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