/// <summary>
/// Adds the given type as a middleware component for the pipeline executed for this schema type. The middleware component
/// will be added to the DI collection and created from it.
/// </summary>
/// <param name="middlewareInstance">The middleware instance to add to the pipeline.</param>
/// <param name="name">A friendly, internal name to assign to this component. It will be referenced in any names or log messages that are generated.</param>
/// <returns>ISchemaConfigurationBuilder.</returns>
public ISchemaPipelineBuilder <TSchema, TMiddleware, TContext> AddMiddleware(TMiddleware middlewareInstance, string name = null)
{
var definition = new GraphMiddlewareDefinition <TContext>(middlewareInstance, name);
_middleware.AddLast(definition);
return(this);
}
/// <summary>
/// Adds the given Func as a middleware component for this pipeline.
/// </summary>
/// <param name="operation"><para>The function to execute in the request pipeline.</para>
/// <para>Method signature is: The invocation context context, The next delegate in the chain, The cancelation token | Returns a task.</para></param>
/// <param name="name">A friendly, internal name to assign to this component. It will be referenced in any names or log messages that are generated.</param>
/// <returns>ISchemaConfigurationBuilder.</returns>
public ISchemaPipelineBuilder <TSchema, TMiddleware, TContext> AddMiddleware(
Func <TContext, GraphMiddlewareInvocationDelegate <TContext>, CancellationToken, Task> operation,
string name = null)
{
var middleware = new SingleFunctionMiddleware <TContext>(operation);
var definition = new GraphMiddlewareDefinition <TContext>(middleware, name);
_middleware.AddLast(definition);
return(this);
}
/// <summary>
/// Adds the given type as a middleware component for this pipeline.
/// </summary>
/// <typeparam name="TComponent">The type of the middlware component.</typeparam>
/// <param name="lifetime">The life time of the component will determine how often it is recreated or reused
/// over mulitple invocations..</param>
/// <param name="name">A friendly, internal name to assign to this component. It will be referenced in any names or log messages that are generated.</param>
/// <returns>ISchemaConfigurationBuilder.</returns>
public ISchemaPipelineBuilder <TSchema, TMiddleware, TContext> AddMiddleware <TComponent>(
ServiceLifetime lifetime = ServiceLifetime.Singleton,
string name = null)
where TComponent : class, TMiddleware
{
var definition = new GraphMiddlewareDefinition <TContext>(typeof(TComponent), lifetime, name);
_middleware.AddLast(definition);
this.TypeReferenceAdded?.Invoke(this, new TypeReferenceEventArgs(typeof(TComponent), lifetime));
return(this);
}
