public HttpPostMiddleware(
RequestDelegate next,
IHttpPostMiddlewareOptions options,
IQueryExecutor queryExecutor,
IBatchQueryExecutor batchQueryExecutor,
IQueryResultSerializer resultSerializer,
IResponseStreamSerializer streamSerializer,
IDocumentCache documentCache,
IDocumentHashProvider documentHashProvider,
IErrorHandler errorHandler)
: base(next, options, resultSerializer, errorHandler)
{
_queryExecutor = queryExecutor
?? throw new ArgumentNullException(nameof(queryExecutor));
_batchExecutor = batchQueryExecutor
?? throw new ArgumentNullException(nameof(batchQueryExecutor));
_resultSerializer = resultSerializer
?? throw new ArgumentNullException(nameof(resultSerializer));
_streamSerializer = streamSerializer
?? throw new ArgumentNullException(nameof(streamSerializer));
_requestHelper = new RequestHelper(
documentCache,
documentHashProvider,
options.MaxRequestSize,
options.ParserOptions);
}
public NamedBatchQueryExecutor(
string name,
IBatchQueryExecutor executor)
{
Name = name;
Executor = executor;
}
public static IApplicationBuilder UseGraphQLHttpPost(
this IApplicationBuilder applicationBuilder,
IServiceProvider serviceProvider,
IHttpPostMiddlewareOptions options)
{
if (applicationBuilder == null)
{
throw new ArgumentNullException(nameof(applicationBuilder));
}
if (serviceProvider == null)
{
throw new ArgumentNullException(nameof(serviceProvider));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
IQueryExecutor executor = serviceProvider
.GetRequiredService <IQueryExecutor>();
IBatchQueryExecutor batchQueryExecutor = serviceProvider
.GetRequiredService <IBatchQueryExecutor>();
IQueryResultSerializer resultSerializer = serviceProvider
.GetRequiredService <IQueryResultSerializer>();
IResponseStreamSerializer streamSerializer = serviceProvider
.GetRequiredService <IResponseStreamSerializer>();
IDocumentCache documentCache = serviceProvider
.GetRequiredService <IDocumentCache>();
IDocumentHashProvider documentHashProvider = serviceProvider
.GetRequiredService <IDocumentHashProvider>();
OwinContextAccessor contextAccessor =
serviceProvider.GetService <OwinContextAccessor>();
return(applicationBuilder.Use <HttpPostMiddleware>(
options, contextAccessor,
executor, batchQueryExecutor,
resultSerializer, streamSerializer,
documentCache, documentHashProvider));
}
