Class ModelCacheKeyFactory

Namespace

Microsoft.EntityFrameworkCore.Infrastructure

Assembly

Microsoft.EntityFrameworkCore.dll

Creates keys that uniquely identifies the model for a given context. This is used to store and lookup a cached model for a given context. This default implementation uses the context type as they key, thus assuming that all contexts of a given type have the same model.

public class ModelCacheKeyFactory : IModelCacheKeyFactory

Inheritance

object

ModelCacheKeyFactory

Implements

IModelCacheKeyFactory

Inherited Members

object.GetType()

object.MemberwiseClone()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Remarks

The service lifetime is Singleton. This means a single instance is used by many DbContext instances. The implementation must be thread-safe. This service cannot depend on services registered as Scoped.

See EF Core model caching for more information and examples.

Constructors

ModelCacheKeyFactory(ModelCacheKeyFactoryDependencies)

Initializes a new instance of the ModelCacheKeyFactory class.

public ModelCacheKeyFactory(ModelCacheKeyFactoryDependencies dependencies)

Parameters

dependencies ModelCacheKeyFactoryDependencies

Parameter object containing dependencies for this service.

Properties

Dependencies

Dependencies for this service.

protected virtual ModelCacheKeyFactoryDependencies Dependencies { get; }

Property Value

ModelCacheKeyFactoryDependencies

Methods

Create(DbContext)

Gets the model cache key for a given context.

public virtual object Create(DbContext context)

Parameters

context DbContext

The context to get the model cache key for.

Returns

object

The created key.

Create(DbContext, bool)

Gets the model cache key for a given context.

public virtual object Create(DbContext context, bool designTime)

Parameters

context DbContext

The context to get the model cache key for.

designTime bool

Whether the model should contain design-time configuration.

Returns

object

The created key.