public async Task ExecuteAsync(Stream requestStream, Stream responseStream, String contentType, CancellationToken cancellationToken)
{
var context = new OeMessageContext(_baseUri, _model, _dataAdapter.EntitySetMetaAdapters);
OeBatchMessage batchMessage = OeBatchMessage.CreateBatchMessage(context, requestStream, contentType);
if (batchMessage.Changeset != null)
{
await ExecuteChangeset(batchMessage.Changeset, cancellationToken).ConfigureAwait(false);
}
else if (batchMessage.Operation != null)
{
await ExecuteOperation(batchMessage.Operation, cancellationToken).ConfigureAwait(false);
}
var batchWriter = new Writers.OeBatchWriter(context.BaseUri, context.Model);
batchWriter.Write(responseStream, batchMessage);
}
public void OnActionExecuted(ActionExecutedContext context)
{
if (!(context.ModelState is BatchModelStateDictionary) && _asyncLocal.Value is BatchModelStateDictionary modelState)
{
//single operation
_asyncLocal.Value = new ModelStateDictionary();
Db.OeDataAdapter dataAdapter = modelState.DataAdapter;
Object dataContext = modelState.DataContext.DbContext;
OeOperationMessage operation = modelState.DataContext.Operation;
try
{
dataAdapter.SaveChangesAsync(dataContext, CancellationToken.None).GetAwaiter().GetResult();
dataAdapter.EntitySetAdapters.Find(operation.EntitySet).UpdateEntityAfterSave(dataContext, operation.Entry);
context.HttpContext.Response.ContentType = context.HttpContext.Request.ContentType;
var batchWriter = new Writers.OeBatchWriter(modelState.DataContext.EdmModel, UriHelper.GetBaseUri(context.HttpContext.Request));
batchWriter.WriteOperationAsync(context.HttpContext.Response.Body, operation).GetAwaiter().GetResult();
}
finally
{
dataAdapter.CloseDataContext(dataContext);
}
}
}