ActionLinkBuilder.CreateActionLinkFactory Method (Func<EntityInstanceContext, Uri>, Func<EntityInstanceContext, Boolean>)

 

Creates an action link factory that builds an action link, but only when appropriate based on the expensiveAvailabilityCheck, and whether expensive checks should be made, which is deduced by looking at the EntityInstanceContext.SkipExpensiveActionAvailabilityChecks property.

Namespace:   System.Web.Http.OData.Builder
Assembly:  System.Web.Http.OData (in System.Web.Http.OData.dll)

Syntax

public static Func<EntityInstanceContext, Uri> CreateActionLinkFactory(
    Func<EntityInstanceContext, Uri> baseFactory,
    Func<EntityInstanceContext, bool> expensiveAvailabilityCheck
)

public:
static Func<EntityInstanceContext^, Uri^>^ CreateActionLinkFactory(
    Func<EntityInstanceContext^, Uri^>^ baseFactory,
    Func<EntityInstanceContext^, bool>^ expensiveAvailabilityCheck
)

static member CreateActionLinkFactory : 
        baseFactory:Func<EntityInstanceContext, Uri> *
        expensiveAvailabilityCheck:Func<EntityInstanceContext, bool> -> Func<EntityInstanceContext, Uri>

Public Shared Function CreateActionLinkFactory (
    baseFactory As Func(Of EntityInstanceContext, Uri),
    expensiveAvailabilityCheck As Func(Of EntityInstanceContext, Boolean)
) As Func(Of EntityInstanceContext, Uri)

Parameters

• baseFactory
  Type: System.Func<EntityInstanceContext, Uri>

  The action link factory that actually builds links if all checks pass.

• expensiveAvailabilityCheck
  Type: System.Func<EntityInstanceContext, Boolean>

  The availability check function that is expensive but when called returns whether the action is available.

Return Value

Type: System.Func<EntityInstanceContext, Uri>

The new action link factory.

See Also

ActionLinkBuilder Class
System.Web.Http.OData.Builder Namespace

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